drivers/scsi/bfa/bfa_modules.h

   1 /*
   2  * Copyright (c) 2005-2010 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  *  bfa_modules.h BFA modules
  20  */
  21
  22 #ifndef __BFA_MODULES_H__
  23 #define __BFA_MODULES_H__
  24
  25 #include "bfa_cs.h"
  26 #include "bfa.h"
  27 #include "bfa_svc.h"
  28 #include "bfa_fcpim.h"
  29 #include "bfa_port.h"
  30
  31 struct bfa_modules_s {
  32         struct bfa_fcport_s     fcport;         /*  fc port module            */
  33         struct bfa_fcxp_mod_s   fcxp_mod;       /*  fcxp module       */
  34         struct bfa_lps_mod_s    lps_mod;        /*  fcxp module       */
  35         struct bfa_uf_mod_s     uf_mod;         /*  unsolicited frame module */
  36         struct bfa_rport_mod_s  rport_mod;      /*  remote port module        */
  37         struct bfa_fcpim_mod_s  fcpim_mod;      /*  FCP initiator module     */
  38         struct bfa_sgpg_mod_s   sgpg_mod;       /*  SG page module            */
  39         struct bfa_port_s       port;           /*  Physical port module     */
  40 };
  41
  42 /*
  43  * !!! Only append to the enums defined here to avoid any versioning
  44  * !!! needed between trace utility and driver version
  45  */
  46 enum {
  47         BFA_TRC_HAL_CORE        = 1,
  48         BFA_TRC_HAL_FCXP        = 2,
  49         BFA_TRC_HAL_FCPIM       = 3,
  50         BFA_TRC_HAL_IOCFC_CT    = 4,
  51         BFA_TRC_HAL_IOCFC_CB    = 5,
  52 };
  53
  54
  55 /*
  56  * Macro to define a new BFA module
  57  */
  58 #define BFA_MODULE(__mod)                                               \
  59         static void bfa_ ## __mod ## _meminfo(                          \
  60                         struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len,      \
  61                         u32 *dm_len);      \
  62         static void bfa_ ## __mod ## _attach(struct bfa_s *bfa,         \
  63                         void *bfad, struct bfa_iocfc_cfg_s *cfg,        \
  64                         struct bfa_meminfo_s *meminfo,                  \
  65                         struct bfa_pcidev_s *pcidev);      \
  66         static void bfa_ ## __mod ## _detach(struct bfa_s *bfa);      \
  67         static void bfa_ ## __mod ## _start(struct bfa_s *bfa);      \
  68         static void bfa_ ## __mod ## _stop(struct bfa_s *bfa);      \
  69         static void bfa_ ## __mod ## _iocdisable(struct bfa_s *bfa);      \
  70                                                                         \
  71         extern struct bfa_module_s hal_mod_ ## __mod;                   \
  72         struct bfa_module_s hal_mod_ ## __mod = {                       \
  73                 bfa_ ## __mod ## _meminfo,                              \
  74                 bfa_ ## __mod ## _attach,                               \
  75                 bfa_ ## __mod ## _detach,                               \
  76                 bfa_ ## __mod ## _start,                                \
  77                 bfa_ ## __mod ## _stop,                                 \
  78                 bfa_ ## __mod ## _iocdisable,                           \
  79         }
  80
  81 #define BFA_CACHELINE_SZ        (256)
  82
  83 /*
  84  * Structure used to interact between different BFA sub modules
  85  *
  86  * Each sub module needs to implement only the entry points relevant to it (and
  87  * can leave entry points as NULL)
  88  */
  89 struct bfa_module_s {
  90         void (*meminfo) (struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
  91                         u32 *dm_len);
  92         void (*attach) (struct bfa_s *bfa, void *bfad,
  93                         struct bfa_iocfc_cfg_s *cfg,
  94                         struct bfa_meminfo_s *meminfo,
  95                         struct bfa_pcidev_s *pcidev);
  96         void (*detach) (struct bfa_s *bfa);
  97         void (*start) (struct bfa_s *bfa);
  98         void (*stop) (struct bfa_s *bfa);
  99         void (*iocdisable) (struct bfa_s *bfa);
 100 };
 101
 102
 103 struct bfa_s {
 104         void                    *bfad;          /*  BFA driver instance    */
 105         struct bfa_plog_s       *plog;          /*  portlog buffer          */
 106         struct bfa_trc_mod_s    *trcmod;        /*  driver tracing          */
 107         struct bfa_ioc_s        ioc;            /*  IOC module              */
 108         struct bfa_iocfc_s      iocfc;          /*  IOCFC module            */
 109         struct bfa_timer_mod_s  timer_mod;      /*  timer module            */
 110         struct bfa_modules_s    modules;        /*  BFA modules     */
 111         struct list_head        comp_q;         /*  pending completions     */
 112         bfa_boolean_t           rme_process;    /*  RME processing enabled  */
 113         struct list_head        reqq_waitq[BFI_IOC_MAX_CQS];
 114         bfa_boolean_t           fcs;            /*  FCS is attached to BFA */
 115         struct bfa_msix_s       msix;
 116 };
 117
 118 extern bfa_boolean_t bfa_auto_recover;
 119 extern struct bfa_module_s hal_mod_sgpg;
 120 extern struct bfa_module_s hal_mod_fcport;
 121 extern struct bfa_module_s hal_mod_fcxp;
 122 extern struct bfa_module_s hal_mod_lps;
 123 extern struct bfa_module_s hal_mod_uf;
 124 extern struct bfa_module_s hal_mod_rport;
 125 extern struct bfa_module_s hal_mod_fcpim;
 126
 127 #endif /* __BFA_MODULES_H__ */