release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/scsi/bfa/bfa_fcs.c

   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  *  bfa_fcs.c BFA FCS main
  20  */
  21
  22 #include <fcs/bfa_fcs.h>
  23 #include "fcs_port.h"
  24 #include "fcs_uf.h"
  25 #include "fcs_vport.h"
  26 #include "fcs_rport.h"
  27 #include "fcs_fabric.h"
  28 #include "fcs_fcpim.h"
  29 #include "fcs_fcptm.h"
  30 #include "fcbuild.h"
  31 #include "fcs.h"
  32 #include "bfad_drv.h"
  33 #include <fcb/bfa_fcb.h>
  34
  35 /**
  36  * FCS sub-modules
  37  */
  38 struct bfa_fcs_mod_s {
  39         void            (*attach) (struct bfa_fcs_s *fcs);
  40         void            (*modinit) (struct bfa_fcs_s *fcs);
  41         void            (*modexit) (struct bfa_fcs_s *fcs);
  42 };
  43
  44 #define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit }
  45
  46 static struct bfa_fcs_mod_s fcs_modules[] = {
  47         { bfa_fcs_pport_attach, NULL, NULL },
  48         { bfa_fcs_uf_attach, NULL, NULL },
  49         { bfa_fcs_fabric_attach, bfa_fcs_fabric_modinit,
  50          bfa_fcs_fabric_modexit },
  51 };
  52
  53 /**
  54  *  fcs_api BFA FCS API
  55  */
  56
  57 static void
  58 bfa_fcs_exit_comp(void *fcs_cbarg)
  59 {
  60         struct bfa_fcs_s *fcs = fcs_cbarg;
  61         struct bfad_s *bfad = fcs->bfad;
  62
  63         complete(&bfad->comp);
  64 }
  65
  66
  67
  68 /**
  69  *  fcs_api BFA FCS API
  70  */
  71
  72 /**
  73  * fcs attach -- called once to initialize data structures at driver attach time
  74  */
  75 void
  76 bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
  77                         bfa_boolean_t min_cfg)
  78 {
  79         int             i;
  80         struct bfa_fcs_mod_s  *mod;
  81
  82         fcs->bfa = bfa;
  83         fcs->bfad = bfad;
  84         fcs->min_cfg = min_cfg;
  85
  86         bfa_attach_fcs(bfa);
  87         fcbuild_init();
  88
  89         for (i = 0; i < ARRAY_SIZE(fcs_modules); i++) {
  90                 mod = &fcs_modules[i];
  91                 if (mod->attach)
  92                         mod->attach(fcs);
  93         }
  94 }
  95
  96 /**
  97  * fcs initialization, called once after bfa initialization is complete
  98  */
  99 void
 100 bfa_fcs_init(struct bfa_fcs_s *fcs)
 101 {
 102         int i, npbc_vports;
 103         struct bfa_fcs_mod_s  *mod;
 104         struct bfi_pbc_vport_s pbc_vports[BFI_PBC_MAX_VPORTS];
 105
 106         for (i = 0; i < ARRAY_SIZE(fcs_modules); i++) {
 107                 mod = &fcs_modules[i];
 108                 if (mod->modinit)
 109                         mod->modinit(fcs);
 110         }
 111         /* Initialize pbc vports */
 112         if (!fcs->min_cfg) {
 113                 npbc_vports =
 114                         bfa_iocfc_get_pbc_vports(fcs->bfa, pbc_vports);
 115                 for (i = 0; i < npbc_vports; i++)
 116                         bfa_fcb_pbc_vport_create(fcs->bfa->bfad, pbc_vports[i]);
 117         }
 118 }
 119
 120 /**
 121  * Start FCS operations.
 122  */
 123 void
 124 bfa_fcs_start(struct bfa_fcs_s *fcs)
 125 {
 126         bfa_fcs_fabric_modstart(fcs);
 127 }
 128
 129 /**
 130  *              FCS driver details initialization.
 131  *
 132  *      param[in]               fcs             FCS instance
 133  *      param[in]               driver_info     Driver Details
 134  *
 135  *      return None
 136  */
 137 void
 138 bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs,
 139                         struct bfa_fcs_driver_info_s *driver_info)
 140 {
 141
 142         fcs->driver_info = *driver_info;
 143
 144         bfa_fcs_fabric_psymb_init(&fcs->fabric);
 145 }
 146
 147 /**
 148  *      @brief
 149  *              FCS FDMI Driver Parameter Initialization
 150  *
 151  *      @param[in]              fcs             FCS instance
 152  *      @param[in]              fdmi_enable     TRUE/FALSE
 153  *
 154  *      @return None
 155  */
 156 void
 157 bfa_fcs_set_fdmi_param(struct bfa_fcs_s *fcs, bfa_boolean_t fdmi_enable)
 158 {
 159
 160         fcs->fdmi_enabled = fdmi_enable;
 161
 162 }
 163
 164 /**
 165  *              FCS instance cleanup and exit.
 166  *
 167  *      param[in]               fcs                     FCS instance
 168  *      return None
 169  */
 170 void
 171 bfa_fcs_exit(struct bfa_fcs_s *fcs)
 172 {
 173         struct bfa_fcs_mod_s  *mod;
 174         int i;
 175
 176         bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs);
 177
 178         for (i = 0; i < ARRAY_SIZE(fcs_modules); i++) {
 179
 180                 mod = &fcs_modules[i];
 181                 if (mod->modexit) {
 182                         bfa_wc_up(&fcs->wc);
 183                         mod->modexit(fcs);
 184                 }
 185         }
 186
 187         bfa_wc_wait(&fcs->wc);
 188 }
 189
 190
 191 void
 192 bfa_fcs_trc_init(struct bfa_fcs_s *fcs, struct bfa_trc_mod_s *trcmod)
 193 {
 194         fcs->trcmod = trcmod;
 195 }
 196
 197
 198 void
 199 bfa_fcs_log_init(struct bfa_fcs_s *fcs, struct bfa_log_mod_s *logmod)
 200 {
 201         fcs->logm = logmod;
 202 }
 203
 204
 205 void
 206 bfa_fcs_aen_init(struct bfa_fcs_s *fcs, struct bfa_aen_s *aen)
 207 {
 208         fcs->aen = aen;
 209 }
 210
 211 void
 212 bfa_fcs_modexit_comp(struct bfa_fcs_s *fcs)
 213 {
 214         bfa_wc_down(&fcs->wc);
 215 }