drivers/scsi/bfa/fcs_lport.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 /**
  19  *  fcs_lport.h FCS logical port interfaces
  20  */
  21
  22 #ifndef __FCS_LPORT_H__
  23 #define __FCS_LPORT_H__
  24
  25 #define __VPORT_H__
  26 #include <defs/bfa_defs_port.h>
  27 #include <bfa_svc.h>
  28 #include <fcs/bfa_fcs_lport.h>
  29 #include <fcs/bfa_fcs_rport.h>
  30 #include <fcs/bfa_fcs_vport.h>
  31 #include <fcs_fabric.h>
  32 #include <fcs_ms.h>
  33 #include <cs/bfa_q.h>
  34 #include <fcbuild.h>
  35
  36 /*
  37  * PID used in P2P/N2N ( In Big Endian)
  38  */
  39 #define N2N_LOCAL_PID       0x010000
  40 #define N2N_REMOTE_PID          0x020000
  41
  42 /*
  43  * Misc Timeouts
  44  */
  45 /*
  46  * To be used when spawning a timer before retrying a failed command. Milli
  47  * Secs.
  48  */
  49 #define BFA_FCS_RETRY_TIMEOUT 2000
  50
  51 /*
  52  * Check for Port/Vport Mode/Role
  53  */
  54 #define BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \
  55                 (port->port_cfg.roles & BFA_PORT_ROLE_FCP_IM)
  56
  57 #define BFA_FCS_VPORT_IS_TARGET_MODE(port) \
  58                 (port->port_cfg.roles & BFA_PORT_ROLE_FCP_TM)
  59
  60 #define BFA_FCS_VPORT_IS_IPFC_MODE(port) \
  61                 (port->port_cfg.roles & BFA_PORT_ROLE_FCP_IPFC)
  62
  63 /*
  64  * Is this a Well Known Address
  65  */
  66 #define BFA_FCS_PID_IS_WKA(pid)  ((bfa_os_ntoh3b(pid) > 0xFFF000) ?  1 : 0)
  67
  68 /*
  69  * Pointer to elements within Port
  70  */
  71 #define BFA_FCS_GET_HAL_FROM_PORT(port)  (port->fcs->bfa)
  72 #define BFA_FCS_GET_NS_FROM_PORT(port)  (&port->port_topo.pfab.ns)
  73 #define BFA_FCS_GET_SCN_FROM_PORT(port)  (&port->port_topo.pfab.scn)
  74 #define BFA_FCS_GET_MS_FROM_PORT(port)  (&port->port_topo.pfab.ms)
  75 #define BFA_FCS_GET_FDMI_FROM_PORT(port)  (&port->port_topo.pfab.ms.fdmi)
  76
  77 /*
  78  * handler for unsolicied frames
  79  */
  80 void bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs,
  81                         u16 len);
  82
  83 /*
  84  * Following routines will be called by Fabric to indicate port
  85  * online/offline to vport.
  86  */
  87 void bfa_fcs_lport_init(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs,
  88                         u16 vf_id, struct bfa_port_cfg_s *port_cfg,
  89                         struct bfa_fcs_vport_s *vport);
  90 void bfa_fcs_port_online(struct bfa_fcs_port_s *port);
  91 void bfa_fcs_port_offline(struct bfa_fcs_port_s *port);
  92 void bfa_fcs_port_delete(struct bfa_fcs_port_s *port);
  93 bfa_boolean_t   bfa_fcs_port_is_online(struct bfa_fcs_port_s *port);
  94
  95 /*
  96  * Lookup rport based on PID
  97  */
  98 struct bfa_fcs_rport_s *bfa_fcs_port_get_rport_by_pid(
  99                         struct bfa_fcs_port_s *port, u32 pid);
 100
 101 /*
 102  * Lookup rport based on PWWN
 103  */
 104 struct bfa_fcs_rport_s *bfa_fcs_port_get_rport_by_pwwn(
 105                         struct bfa_fcs_port_s *port, wwn_t pwwn);
 106 struct bfa_fcs_rport_s *bfa_fcs_port_get_rport_by_nwwn(
 107                         struct bfa_fcs_port_s *port, wwn_t nwwn);
 108 void bfa_fcs_port_add_rport(struct bfa_fcs_port_s *port,
 109                         struct bfa_fcs_rport_s *rport);
 110 void bfa_fcs_port_del_rport(struct bfa_fcs_port_s *port,
 111                         struct bfa_fcs_rport_s *rport);
 112
 113 void bfa_fcs_port_modinit(struct bfa_fcs_s *fcs);
 114 void bfa_fcs_port_modexit(struct bfa_fcs_s *fcs);
 115 void bfa_fcs_port_lip(struct bfa_fcs_port_s *port);
 116
 117 #endif /* __FCS_LPORT_H__ */