drivers/scsi/lpfc/lpfc_crtn.h

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2004-2008 Emulex.  All rights reserved.           *
   5  * EMULEX and SLI are trademarks of Emulex.                        *
   6  * www.emulex.com                                                  *
   7  *                                                                 *
   8  * This program is free software; you can redistribute it and/or   *
   9  * modify it under the terms of version 2 of the GNU General       *
  10  * Public License as published by the Free Software Foundation.    *
  11  * This program is distributed in the hope that it will be useful. *
  12  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  13  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  14  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  15  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  16  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  17  * more details, a copy of which can be found in the file COPYING  *
  18  * included with this package.                                     *
  19  *******************************************************************/
  20
  21 typedef int (*node_filter)(struct lpfc_nodelist *, void *);
  22
  23 struct fc_rport;
  24 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
  25 void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *);
  26 void lpfc_dump_static_vport(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
  27 int lpfc_dump_fcoe_param(struct lpfc_hba *, struct lpfcMboxq *);
  28 void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
  29 void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
  30
  31 void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
  32 int lpfc_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *);
  33 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
  34 void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *);
  35 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
  36 int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *);
  37 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
  38 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
  39 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
  40 int lpfc_reg_rpi(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
  41                  LPFC_MBOXQ_t *, uint32_t);
  42 void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
  43 void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
  44 void lpfc_reg_vpi(struct lpfc_vport *, LPFC_MBOXQ_t *);
  45 void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
  46 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
  47 void lpfc_request_features(struct lpfc_hba *, struct lpfcMboxq *);
  48
  49 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
  50 void lpfc_cleanup_rpis(struct lpfc_vport *, int);
  51 int lpfc_linkdown(struct lpfc_hba *);
  52 void lpfc_linkdown_port(struct lpfc_vport *);
  53 void lpfc_port_link_failure(struct lpfc_vport *);
  54 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
  55
  56 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  57 void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
  58 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  59 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  60 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  61 void lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *, LPFC_MBOXQ_t *);
  62 void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *);
  63 void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
  64 struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *,
  65                                         struct lpfc_nodelist *, int);
  66 void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
  67 void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
  68 void lpfc_set_disctmo(struct lpfc_vport *);
  69 int  lpfc_can_disctmo(struct lpfc_vport *);
  70 int  lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
  71 void lpfc_unreg_all_rpis(struct lpfc_vport *);
  72 void lpfc_unreg_default_rpis(struct lpfc_vport *);
  73 void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
  74
  75 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
  76                         struct lpfc_iocbq *, struct lpfc_nodelist *);
  77 void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t);
  78 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
  79 int  lpfc_nlp_put(struct lpfc_nodelist *);
  80 int  lpfc_nlp_not_used(struct lpfc_nodelist *ndlp);
  81 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
  82 void lpfc_disc_list_loopmap(struct lpfc_vport *);
  83 void lpfc_disc_start(struct lpfc_vport *);
  84 void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
  85 void lpfc_cleanup(struct lpfc_vport *);
  86 void lpfc_disc_timeout(unsigned long);
  87
  88 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
  89
  90 void lpfc_worker_wake_up(struct lpfc_hba *);
  91 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
  92 int lpfc_do_work(void *);
  93 int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
  94                             uint32_t);
  95
  96 void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
  97 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
  98                      struct serv_parm *, uint32_t);
  99 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
 100 void lpfc_more_plogi(struct lpfc_vport *);
 101 void lpfc_more_adisc(struct lpfc_vport *);
 102 void lpfc_end_rscn(struct lpfc_vport *);
 103 int lpfc_els_chk_latt(struct lpfc_vport *);
 104 int lpfc_els_abort_flogi(struct lpfc_hba *);
 105 int lpfc_initial_flogi(struct lpfc_vport *);
 106 int lpfc_initial_fdisc(struct lpfc_vport *);
 107 int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
 108 int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
 109 int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
 110 int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
 111 int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
 112 int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
 113 int lpfc_issue_fabric_reglogin(struct lpfc_vport *);
 114 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
 115 int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
 116 int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
 117                      struct lpfc_nodelist *, LPFC_MBOXQ_t *);
 118 int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
 119                         struct lpfc_nodelist *, LPFC_MBOXQ_t *);
 120 int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *,
 121                            struct lpfc_nodelist *);
 122 int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *,
 123                           struct lpfc_nodelist *);
 124 void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *);
 125 void lpfc_els_retry_delay(unsigned long);
 126 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
 127 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 128                           struct lpfc_iocbq *);
 129 int lpfc_els_handle_rscn(struct lpfc_vport *);
 130 void lpfc_els_flush_rscn(struct lpfc_vport *);
 131 int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
 132 void lpfc_els_flush_all_cmd(struct lpfc_hba *);
 133 void lpfc_els_flush_cmd(struct lpfc_vport *);
 134 int lpfc_els_disc_adisc(struct lpfc_vport *);
 135 int lpfc_els_disc_plogi(struct lpfc_vport *);
 136 void lpfc_els_timeout(unsigned long);
 137 void lpfc_els_timeout_handler(struct lpfc_vport *);
 138 void lpfc_hb_timeout_handler(struct lpfc_hba *);
 139
 140 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 141                          struct lpfc_iocbq *);
 142 int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
 143 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int);
 144 void lpfc_fdmi_tmo(unsigned long);
 145 void lpfc_fdmi_timeout_handler(struct lpfc_vport *);
 146
 147 int lpfc_config_port_prep(struct lpfc_hba *);
 148 int lpfc_config_port_post(struct lpfc_hba *);
 149 int lpfc_hba_down_prep(struct lpfc_hba *);
 150 int lpfc_hba_down_post(struct lpfc_hba *);
 151 void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
 152 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int);
 153 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
 154 int lpfc_online(struct lpfc_hba *);
 155 void lpfc_unblock_mgmt_io(struct lpfc_hba *);
 156 void lpfc_offline_prep(struct lpfc_hba *);
 157 void lpfc_offline(struct lpfc_hba *);
 158 void lpfc_reset_hba(struct lpfc_hba *);
 159
 160 int lpfc_sli_setup(struct lpfc_hba *);
 161 int lpfc_sli_queue_setup(struct lpfc_hba *);
 162
 163 void lpfc_handle_eratt(struct lpfc_hba *);
 164 void lpfc_handle_latt(struct lpfc_hba *);
 165 irqreturn_t lpfc_sli_intr_handler(int, void *);
 166 irqreturn_t lpfc_sli_sp_intr_handler(int, void *);
 167 irqreturn_t lpfc_sli_fp_intr_handler(int, void *);
 168 irqreturn_t lpfc_sli4_intr_handler(int, void *);
 169 irqreturn_t lpfc_sli4_sp_intr_handler(int, void *);
 170 irqreturn_t lpfc_sli4_fp_intr_handler(int, void *);
 171
 172 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
 173 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
 174 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
 175 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
 176 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 177 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
 178 void __lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 179 void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 180 int lpfc_mbox_cmd_check(struct lpfc_hba *, LPFC_MBOXQ_t *);
 181 int lpfc_mbox_dev_check(struct lpfc_hba *);
 182 int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
 183 void lpfc_init_vfi(struct lpfcMboxq *, struct lpfc_vport *);
 184 void lpfc_reg_vfi(struct lpfcMboxq *, struct lpfc_vport *, dma_addr_t);
 185 void lpfc_init_vpi(struct lpfcMboxq *, uint16_t);
 186 void lpfc_unreg_vfi(struct lpfcMboxq *, uint16_t);
 187 void lpfc_reg_fcfi(struct lpfc_hba *, struct lpfcMboxq *);
 188 void lpfc_unreg_fcfi(struct lpfcMboxq *, uint16_t);
 189 void lpfc_resume_rpi(struct lpfcMboxq *, struct lpfc_nodelist *);
 190
 191 void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *,
 192         uint32_t , LPFC_MBOXQ_t *);
 193 struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *);
 194 void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *);
 195 struct hbq_dmabuf *lpfc_sli4_rb_alloc(struct lpfc_hba *);
 196 void lpfc_sli4_rb_free(struct lpfc_hba *, struct hbq_dmabuf *);
 197 void lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *, struct fcf_record *,
 198                         uint16_t);
 199 void lpfc_unregister_unused_fcf(struct lpfc_hba *);
 200
 201 int lpfc_mem_alloc(struct lpfc_hba *, int align);
 202 void lpfc_mem_free(struct lpfc_hba *);
 203 void lpfc_mem_free_all(struct lpfc_hba *);
 204 void lpfc_stop_vport_timers(struct lpfc_vport *);
 205
 206 void lpfc_poll_timeout(unsigned long ptr);
 207 void lpfc_poll_start_timer(struct lpfc_hba *);
 208 void lpfc_poll_eratt(unsigned long);
 209 void lpfc_sli_poll_fcp_ring(struct lpfc_hba *);
 210 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
 211 void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
 212 uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
 213 void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t,
 214                            uint32_t);
 215 void lpfc_sli_wake_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *);
 216
 217 void lpfc_reset_barrier(struct lpfc_hba * phba);
 218 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
 219 int lpfc_sli_brdkill(struct lpfc_hba *);
 220 int lpfc_sli_brdreset(struct lpfc_hba *);
 221 int lpfc_sli_brdrestart(struct lpfc_hba *);
 222 int lpfc_sli_hba_setup(struct lpfc_hba *);
 223 int lpfc_sli_config_port(struct lpfc_hba *, int);
 224 int lpfc_sli_host_down(struct lpfc_vport *);
 225 int lpfc_sli_hba_down(struct lpfc_hba *);
 226 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
 227 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
 228 void lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *);
 229 int lpfc_sli_check_eratt(struct lpfc_hba *);
 230 void lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
 231                                     struct lpfc_sli_ring *, uint32_t);
 232 int lpfc_sli4_handle_received_buffer(struct lpfc_hba *);
 233 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
 234 int lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
 235                         struct lpfc_iocbq *, uint32_t);
 236 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
 237 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
 238 void lpfc_sli_flush_fcp_rings(struct lpfc_hba *);
 239 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
 240                              struct lpfc_dmabuf *);
 241 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
 242                                              struct lpfc_sli_ring *,
 243                                              dma_addr_t);
 244
 245 uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *);
 246 struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *,
 247                         struct lpfc_sli_ring *, uint32_t );
 248
 249 int lpfc_sli_hbq_count(void);
 250 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
 251 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
 252 int lpfc_sli_hbq_size(void);
 253 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
 254                                struct lpfc_iocbq *);
 255 int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd);
 256 int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t,
 257                         uint64_t, lpfc_ctx_cmd);
 258
 259 void lpfc_mbox_timeout(unsigned long);
 260 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
 261
 262 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
 263 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
 264                                          struct lpfc_name *);
 265
 266 int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
 267
 268 int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, uint32_t,
 269                              struct lpfc_iocbq *, struct lpfc_iocbq *,
 270                              uint32_t);
 271 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
 272                              struct lpfc_iocbq *);
 273
 274 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
 275
 276 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
 277 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
 278 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
 279
 280 void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
 281 /* Function prototypes. */
 282 const char* lpfc_info(struct Scsi_Host *);
 283 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
 284
 285 int lpfc_init_api_table_setup(struct lpfc_hba *, uint8_t);
 286 int lpfc_sli_api_table_setup(struct lpfc_hba *, uint8_t);
 287 int lpfc_scsi_api_table_setup(struct lpfc_hba *, uint8_t);
 288 int lpfc_mbox_api_table_setup(struct lpfc_hba *, uint8_t);
 289 int lpfc_api_table_setup(struct lpfc_hba *, uint8_t);
 290
 291 void lpfc_get_cfgparam(struct lpfc_hba *);
 292 void lpfc_get_vport_cfgparam(struct lpfc_vport *);
 293 int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
 294 void lpfc_free_sysfs_attr(struct lpfc_vport *);
 295 extern struct device_attribute *lpfc_hba_attrs[];
 296 extern struct device_attribute *lpfc_vport_attrs[];
 297 extern struct scsi_host_template lpfc_template;
 298 extern struct scsi_host_template lpfc_vport_template;
 299 extern struct fc_function_template lpfc_transport_functions;
 300 extern struct fc_function_template lpfc_vport_transport_functions;
 301 extern int lpfc_sli_mode;
 302 extern int lpfc_enable_npiv;
 303
 304 int  lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
 305 int  lpfc_vport_symbolic_port_name(struct lpfc_vport *, char *, size_t);
 306 void lpfc_terminate_rport_io(struct fc_rport *);
 307 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
 308
 309 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
 310 int  lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
 311 int lpfc_mbx_unreg_vpi(struct lpfc_vport *);
 312 void destroy_port(struct lpfc_vport *);
 313 int lpfc_get_instance(void);
 314 void lpfc_host_attrib_init(struct Scsi_Host *);
 315
 316 extern void lpfc_debugfs_initialize(struct lpfc_vport *);
 317 extern void lpfc_debugfs_terminate(struct lpfc_vport *);
 318 extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t,
 319         uint32_t, uint32_t);
 320 extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t,
 321         uint32_t, uint32_t);
 322 extern struct lpfc_hbq_init *lpfc_hbq_defs[];
 323
 324 /* externs BlockGuard */
 325 extern char *_dump_buf_data;
 326 extern unsigned long _dump_buf_data_order;
 327 extern char *_dump_buf_dif;
 328 extern unsigned long _dump_buf_dif_order;
 329 extern spinlock_t _dump_buf_lock;
 330 extern int _dump_buf_done;
 331 extern spinlock_t pgcnt_lock;
 332 extern unsigned int pgcnt;
 333 extern unsigned int lpfc_prot_mask;
 334 extern unsigned char lpfc_prot_guard;
 335
 336 /* Interface exported by fabric iocb scheduler */
 337 void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
 338 void lpfc_fabric_abort_hba(struct lpfc_hba *);
 339 void lpfc_fabric_block_timeout(unsigned long);
 340 void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
 341 void lpfc_rampdown_queue_depth(struct lpfc_hba *);
 342 void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
 343 void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
 344 void lpfc_scsi_dev_block(struct lpfc_hba *);
 345
 346 void
 347 lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
 348                                 struct lpfc_iocbq *);
 349 struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *);
 350 void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
 351 void lpfc_create_static_vport(struct lpfc_hba *);
 352 void lpfc_stop_hba_timers(struct lpfc_hba *);
 353 void lpfc_stop_port(struct lpfc_hba *);
 354 void lpfc_parse_fcoe_conf(struct lpfc_hba *, uint8_t *, uint32_t);
 355 int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
 356 void lpfc_start_fdiscs(struct lpfc_hba *phba);
 357
 358 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
 359 #define HBA_EVENT_RSCN                   5
 360 #define HBA_EVENT_LINK_UP                2
 361 #define HBA_EVENT_LINK_DOWN              3
 362