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) 2017 Broadcom. All Rights Reserved. The term      *
   5  * “Broadcom” refers to Broadcom Limited and/or its subsidiaries.  *
   6  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
   7  * EMULEX and SLI are trademarks of Emulex.                        *
   8  * www.broadcom.com                                                *
   9  *                                                                 *
  10  * This program is free software; you can redistribute it and/or   *
  11  * modify it under the terms of version 2 of the GNU General       *
  12  * Public License as published by the Free Software Foundation.    *
  13  * This program is distributed in the hope that it will be useful. *
  14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  19  * more details, a copy of which can be found in the file COPYING  *
  20  * included with this package.                                     *
  21  *******************************************************************/
  22
  23 typedef int (*node_filter)(struct lpfc_nodelist *, void *);
  24
  25 struct fc_rport;
  26 struct fc_frame_header;
  27 void lpfc_down_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
  28 void lpfc_sli_read_link_ste(struct lpfc_hba *);
  29 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t, uint16_t);
  30 void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *);
  31 int lpfc_dump_static_vport(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
  32 int lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *, struct lpfcMboxq *);
  33 void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
  34 void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
  35
  36 void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
  37 int lpfc_read_topology(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *);
  38 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
  39 void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *);
  40 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
  41 int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *);
  42 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
  43 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
  44 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
  45 int lpfc_reg_rpi(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
  46                  LPFC_MBOXQ_t *, uint16_t);
  47 void lpfc_set_var(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
  48 void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
  49 void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
  50 void lpfc_sli4_unreg_all_rpis(struct lpfc_vport *);
  51
  52 void lpfc_reg_vpi(struct lpfc_vport *, LPFC_MBOXQ_t *);
  53 void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *,
  54                         struct lpfc_nodelist *);
  55 void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
  56 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
  57 void lpfc_request_features(struct lpfc_hba *, struct lpfcMboxq *);
  58 void lpfc_supported_pages(struct lpfcMboxq *);
  59 void lpfc_pc_sli4_params(struct lpfcMboxq *);
  60 int lpfc_pc_sli4_params_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
  61 int lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *, struct lpfcMboxq *,
  62                            uint16_t, uint16_t, bool);
  63 int lpfc_get_sli4_parameters(struct lpfc_hba *, LPFC_MBOXQ_t *);
  64 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
  65 void lpfc_cleanup_rcv_buffers(struct lpfc_vport *);
  66 void lpfc_rcv_seq_check_edtov(struct lpfc_vport *);
  67 void lpfc_cleanup_rpis(struct lpfc_vport *, int);
  68 void lpfc_cleanup_pending_mbox(struct lpfc_vport *);
  69 int lpfc_linkdown(struct lpfc_hba *);
  70 void lpfc_linkdown_port(struct lpfc_vport *);
  71 void lpfc_port_link_failure(struct lpfc_vport *);
  72 void lpfc_mbx_cmpl_read_topology(struct lpfc_hba *, LPFC_MBOXQ_t *);
  73 void lpfc_init_vpi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
  74 void lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *);
  75 void lpfc_retry_pport_discovery(struct lpfc_hba *);
  76 void lpfc_release_rpi(struct lpfc_hba *, struct lpfc_vport *, uint16_t);
  77
  78 void lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
  79 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  80 void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
  81 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  82 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  83 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  84 void lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *, LPFC_MBOXQ_t *);
  85 void lpfc_unregister_vfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
  86 void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *);
  87 void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
  88 struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *,
  89                                         struct lpfc_nodelist *, int);
  90 void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
  91 void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
  92 void lpfc_set_disctmo(struct lpfc_vport *);
  93 int  lpfc_can_disctmo(struct lpfc_vport *);
  94 int  lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
  95 void lpfc_unreg_all_rpis(struct lpfc_vport *);
  96 void lpfc_unreg_hba_rpis(struct lpfc_hba *);
  97 void lpfc_unreg_default_rpis(struct lpfc_vport *);
  98 void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
  99
 100 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
 101                         struct lpfc_iocbq *, struct lpfc_nodelist *);
 102 void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t);
 103 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
 104 int  lpfc_nlp_put(struct lpfc_nodelist *);
 105 int  lpfc_nlp_not_used(struct lpfc_nodelist *ndlp);
 106 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
 107 void lpfc_disc_list_loopmap(struct lpfc_vport *);
 108 void lpfc_disc_start(struct lpfc_vport *);
 109 void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
 110 void lpfc_cleanup(struct lpfc_vport *);
 111 void lpfc_disc_timeout(unsigned long);
 112
 113 int lpfc_unregister_fcf_prep(struct lpfc_hba *);
 114 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
 115 struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
 116 void lpfc_worker_wake_up(struct lpfc_hba *);
 117 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
 118 int lpfc_do_work(void *);
 119 int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
 120                             uint32_t);
 121
 122 void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
 123 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
 124                      struct serv_parm *, uint32_t, int);
 125 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
 126 void lpfc_more_plogi(struct lpfc_vport *);
 127 void lpfc_more_adisc(struct lpfc_vport *);
 128 void lpfc_end_rscn(struct lpfc_vport *);
 129 int lpfc_els_chk_latt(struct lpfc_vport *);
 130 int lpfc_els_abort_flogi(struct lpfc_hba *);
 131 int lpfc_initial_flogi(struct lpfc_vport *);
 132 void lpfc_issue_init_vfi(struct lpfc_vport *);
 133 int lpfc_initial_fdisc(struct lpfc_vport *);
 134 int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
 135 int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
 136 int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
 137 int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
 138 int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
 139 int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
 140 int lpfc_issue_fabric_reglogin(struct lpfc_vport *);
 141 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
 142 int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
 143 int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
 144                      struct lpfc_nodelist *, LPFC_MBOXQ_t *);
 145 int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
 146                         struct lpfc_nodelist *, LPFC_MBOXQ_t *);
 147 int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *,
 148                            struct lpfc_nodelist *);
 149 int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *,
 150                           struct lpfc_nodelist *);
 151 void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *);
 152 void lpfc_els_retry_delay(unsigned long);
 153 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
 154 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 155                           struct lpfc_iocbq *);
 156 int lpfc_els_handle_rscn(struct lpfc_vport *);
 157 void lpfc_els_flush_rscn(struct lpfc_vport *);
 158 int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
 159 void lpfc_els_flush_all_cmd(struct lpfc_hba *);
 160 void lpfc_els_flush_cmd(struct lpfc_vport *);
 161 int lpfc_els_disc_adisc(struct lpfc_vport *);
 162 int lpfc_els_disc_plogi(struct lpfc_vport *);
 163 void lpfc_els_timeout(unsigned long);
 164 void lpfc_els_timeout_handler(struct lpfc_vport *);
 165 struct lpfc_iocbq *lpfc_prep_els_iocb(struct lpfc_vport *, uint8_t, uint16_t,
 166                                       uint8_t, struct lpfc_nodelist *,
 167                                       uint32_t, uint32_t);
 168 void lpfc_hb_timeout_handler(struct lpfc_hba *);
 169
 170 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 171                          struct lpfc_iocbq *);
 172 int lpfc_ct_handle_unsol_abort(struct lpfc_hba *, struct hbq_dmabuf *);
 173 int lpfc_issue_gidft(struct lpfc_vport *vport);
 174 int lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *iocbq);
 175 int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
 176 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int, uint32_t);
 177 void lpfc_fdmi_num_disc_check(struct lpfc_vport *);
 178 void lpfc_delayed_disc_tmo(unsigned long);
 179 void lpfc_delayed_disc_timeout_handler(struct lpfc_vport *);
 180
 181 int lpfc_config_port_prep(struct lpfc_hba *);
 182 void lpfc_update_vport_wwn(struct lpfc_vport *vport);
 183 int lpfc_config_port_post(struct lpfc_hba *);
 184 int lpfc_hba_down_prep(struct lpfc_hba *);
 185 int lpfc_hba_down_post(struct lpfc_hba *);
 186 void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
 187 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int);
 188 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
 189 int lpfc_online(struct lpfc_hba *);
 190 void lpfc_unblock_mgmt_io(struct lpfc_hba *);
 191 void lpfc_offline_prep(struct lpfc_hba *, int);
 192 void lpfc_offline(struct lpfc_hba *);
 193 void lpfc_reset_hba(struct lpfc_hba *);
 194 int lpfc_emptyq_wait(struct lpfc_hba *phba, struct list_head *hd,
 195                         spinlock_t *slock);
 196
 197 int lpfc_fof_queue_create(struct lpfc_hba *);
 198 int lpfc_fof_queue_setup(struct lpfc_hba *);
 199 int lpfc_fof_queue_destroy(struct lpfc_hba *);
 200 irqreturn_t lpfc_sli4_fof_intr_handler(int, void *);
 201
 202 int lpfc_sli_setup(struct lpfc_hba *);
 203 int lpfc_sli4_setup(struct lpfc_hba *phba);
 204 void lpfc_sli_queue_init(struct lpfc_hba *phba);
 205 void lpfc_sli4_queue_init(struct lpfc_hba *phba);
 206 struct lpfc_sli_ring *lpfc_sli4_calc_ring(struct lpfc_hba *phba,
 207                                           struct lpfc_iocbq *iocbq);
 208
 209 void lpfc_handle_eratt(struct lpfc_hba *);
 210 void lpfc_handle_latt(struct lpfc_hba *);
 211 irqreturn_t lpfc_sli_intr_handler(int, void *);
 212 irqreturn_t lpfc_sli_sp_intr_handler(int, void *);
 213 irqreturn_t lpfc_sli_fp_intr_handler(int, void *);
 214 irqreturn_t lpfc_sli4_intr_handler(int, void *);
 215 irqreturn_t lpfc_sli4_hba_intr_handler(int, void *);
 216
 217 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
 218 void lpfc_sli4_swap_str(struct lpfc_hba *, LPFC_MBOXQ_t *);
 219 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
 220 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
 221 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
 222 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 223 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
 224 void __lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 225 void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 226 int lpfc_mbox_cmd_check(struct lpfc_hba *, LPFC_MBOXQ_t *);
 227 int lpfc_mbox_dev_check(struct lpfc_hba *);
 228 int lpfc_mbox_tmo_val(struct lpfc_hba *, LPFC_MBOXQ_t *);
 229 void lpfc_init_vfi(struct lpfcMboxq *, struct lpfc_vport *);
 230 void lpfc_reg_vfi(struct lpfcMboxq *, struct lpfc_vport *, dma_addr_t);
 231 void lpfc_init_vpi(struct lpfc_hba *, struct lpfcMboxq *, uint16_t);
 232 void lpfc_unreg_vfi(struct lpfcMboxq *, struct lpfc_vport *);
 233 void lpfc_reg_fcfi(struct lpfc_hba *, struct lpfcMboxq *);
 234 void lpfc_reg_fcfi_mrq(struct lpfc_hba *phba, struct lpfcMboxq *mbox, int mode);
 235 void lpfc_unreg_fcfi(struct lpfcMboxq *, uint16_t);
 236 void lpfc_resume_rpi(struct lpfcMboxq *, struct lpfc_nodelist *);
 237 int lpfc_check_pending_fcoe_event(struct lpfc_hba *, uint8_t);
 238 void lpfc_issue_init_vpi(struct lpfc_vport *);
 239
 240 void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *,
 241         uint32_t , LPFC_MBOXQ_t *);
 242 struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *);
 243 void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *);
 244 struct hbq_dmabuf *lpfc_sli4_rb_alloc(struct lpfc_hba *);
 245 void lpfc_sli4_rb_free(struct lpfc_hba *, struct hbq_dmabuf *);
 246 struct rqb_dmabuf *lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba);
 247 void lpfc_sli4_nvmet_free(struct lpfc_hba *phba, struct rqb_dmabuf *dmab);
 248 void lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *, struct fcf_record *,
 249                         uint16_t);
 250 int lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq,
 251                      struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe);
 252 int lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hq,
 253                         struct lpfc_queue *dq, int count);
 254 int lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hq);
 255 void lpfc_unregister_fcf(struct lpfc_hba *);
 256 void lpfc_unregister_fcf_rescan(struct lpfc_hba *);
 257 void lpfc_unregister_unused_fcf(struct lpfc_hba *);
 258 int lpfc_sli4_redisc_fcf_table(struct lpfc_hba *);
 259 void lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *);
 260 void lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *);
 261 uint16_t lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *);
 262 void lpfc_sli4_set_fcf_flogi_fail(struct lpfc_hba *, uint16_t);
 263 int lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *, uint16_t);
 264 void lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *, uint16_t);
 265 int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *, uint16_t);
 266 void lpfc_sli4_clear_fcf_rr_bmask(struct lpfc_hba *);
 267
 268 int lpfc_mem_alloc(struct lpfc_hba *, int align);
 269 int lpfc_mem_alloc_active_rrq_pool_s4(struct lpfc_hba *);
 270 void lpfc_mem_free(struct lpfc_hba *);
 271 void lpfc_mem_free_all(struct lpfc_hba *);
 272 void lpfc_stop_vport_timers(struct lpfc_vport *);
 273
 274 void lpfc_poll_timeout(unsigned long ptr);
 275 void lpfc_poll_start_timer(struct lpfc_hba *);
 276 void lpfc_poll_eratt(unsigned long);
 277 int
 278 lpfc_sli_handle_fast_ring_event(struct lpfc_hba *,
 279                         struct lpfc_sli_ring *, uint32_t);
 280
 281 struct lpfc_iocbq *__lpfc_sli_get_iocbq(struct lpfc_hba *);
 282 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
 283 void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
 284 uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
 285 void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t,
 286                            uint32_t);
 287 void lpfc_sli_wake_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *);
 288 int lpfc_selective_reset(struct lpfc_hba *);
 289 void lpfc_reset_barrier(struct lpfc_hba *);
 290 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
 291 int lpfc_sli_brdkill(struct lpfc_hba *);
 292 int lpfc_sli_brdreset(struct lpfc_hba *);
 293 int lpfc_sli_brdrestart(struct lpfc_hba *);
 294 int lpfc_sli_hba_setup(struct lpfc_hba *);
 295 int lpfc_sli_config_port(struct lpfc_hba *, int);
 296 int lpfc_sli_host_down(struct lpfc_vport *);
 297 int lpfc_sli_hba_down(struct lpfc_hba *);
 298 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
 299 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
 300 void lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *, int);
 301 int lpfc_sli_check_eratt(struct lpfc_hba *);
 302 void lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
 303                                     struct lpfc_sli_ring *, uint32_t);
 304 void lpfc_sli4_handle_received_buffer(struct lpfc_hba *, struct hbq_dmabuf *);
 305 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
 306 void lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *, LPFC_MBOXQ_t *);
 307 int lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
 308                         struct lpfc_iocbq *, uint32_t);
 309 int lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t rnum,
 310                         struct lpfc_iocbq *iocbq);
 311 struct lpfc_sglq *__lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xri);
 312 struct lpfc_sglq *__lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba,
 313                                             struct lpfc_iocbq *piocbq);
 314 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
 315 void lpfc_sli_bemem_bcopy(void *, void *, uint32_t);
 316 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
 317 void lpfc_sli_abort_fcp_rings(struct lpfc_hba *phba);
 318 void lpfc_sli_hba_iocb_abort(struct lpfc_hba *);
 319 void lpfc_sli_flush_fcp_rings(struct lpfc_hba *);
 320 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
 321                              struct lpfc_dmabuf *);
 322 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
 323                                              struct lpfc_sli_ring *,
 324                                              dma_addr_t);
 325
 326 uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *);
 327 struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *,
 328                         struct lpfc_sli_ring *, uint32_t );
 329
 330 int lpfc_sli_hbq_count(void);
 331 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
 332 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
 333 int lpfc_sli_hbq_size(void);
 334 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
 335                                struct lpfc_iocbq *);
 336 int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd);
 337 int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t,
 338                         uint64_t, lpfc_ctx_cmd);
 339 int
 340 lpfc_sli_abort_taskmgmt(struct lpfc_vport *, struct lpfc_sli_ring *,
 341                         uint16_t, uint64_t, lpfc_ctx_cmd);
 342
 343 void lpfc_mbox_timeout(unsigned long);
 344 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
 345
 346 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
 347 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
 348                                          struct lpfc_name *);
 349
 350 int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
 351
 352 int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, uint32_t,
 353                              struct lpfc_iocbq *, struct lpfc_iocbq *,
 354                              uint32_t);
 355 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
 356                              struct lpfc_iocbq *);
 357
 358 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
 359
 360 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
 361 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
 362 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
 363 void *lpfc_nvmet_buf_alloc(struct lpfc_hba *phba, int flags,
 364                         dma_addr_t *handle);
 365 void lpfc_nvmet_buf_free(struct lpfc_hba *phba, void *virtp, dma_addr_t dma);
 366
 367 void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
 368 void lpfc_rq_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp);
 369
 370 /* Function prototypes. */
 371 const char* lpfc_info(struct Scsi_Host *);
 372 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
 373
 374 int lpfc_init_api_table_setup(struct lpfc_hba *, uint8_t);
 375 int lpfc_sli_api_table_setup(struct lpfc_hba *, uint8_t);
 376 int lpfc_scsi_api_table_setup(struct lpfc_hba *, uint8_t);
 377 int lpfc_mbox_api_table_setup(struct lpfc_hba *, uint8_t);
 378 int lpfc_api_table_setup(struct lpfc_hba *, uint8_t);
 379
 380 void lpfc_get_cfgparam(struct lpfc_hba *);
 381 void lpfc_get_vport_cfgparam(struct lpfc_vport *);
 382 int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
 383 void lpfc_free_sysfs_attr(struct lpfc_vport *);
 384 extern struct device_attribute *lpfc_hba_attrs[];
 385 extern struct device_attribute *lpfc_vport_attrs[];
 386 extern struct scsi_host_template lpfc_template;
 387 extern struct scsi_host_template lpfc_template_no_hr;
 388 extern struct scsi_host_template lpfc_template_nvme;
 389 extern struct scsi_host_template lpfc_vport_template;
 390 extern struct fc_function_template lpfc_transport_functions;
 391 extern struct fc_function_template lpfc_vport_transport_functions;
 392
 393 int  lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
 394 int  lpfc_vport_symbolic_port_name(struct lpfc_vport *, char *, size_t);
 395 void lpfc_terminate_rport_io(struct fc_rport *);
 396 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
 397
 398 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
 399 int  lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
 400 int lpfc_mbx_unreg_vpi(struct lpfc_vport *);
 401 void destroy_port(struct lpfc_vport *);
 402 int lpfc_get_instance(void);
 403 void lpfc_host_attrib_init(struct Scsi_Host *);
 404
 405 extern void lpfc_debugfs_initialize(struct lpfc_vport *);
 406 extern void lpfc_debugfs_terminate(struct lpfc_vport *);
 407 extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t,
 408                                   uint32_t, uint32_t);
 409 extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t,
 410                                        uint32_t, uint32_t);
 411 extern void lpfc_debugfs_nvme_trc(struct lpfc_hba *phba, char *fmt,
 412                                 uint16_t data1, uint16_t data2, uint32_t data3);
 413 extern struct lpfc_hbq_init *lpfc_hbq_defs[];
 414
 415 /* SLI4 if_type 2 externs. */
 416 int lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *);
 417 int lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *);
 418 int lpfc_sli4_get_allocated_extnts(struct lpfc_hba *, uint16_t,
 419                                    uint16_t *, uint16_t *);
 420 int lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *, uint16_t,
 421                                           uint16_t *, uint16_t *);
 422
 423 /* externs BlockGuard */
 424 extern char *_dump_buf_data;
 425 extern unsigned long _dump_buf_data_order;
 426 extern char *_dump_buf_dif;
 427 extern unsigned long _dump_buf_dif_order;
 428 extern spinlock_t _dump_buf_lock;
 429 extern int _dump_buf_done;
 430 extern spinlock_t pgcnt_lock;
 431 extern unsigned int pgcnt;
 432 extern unsigned int lpfc_fcp_look_ahead;
 433
 434 /* Interface exported by fabric iocb scheduler */
 435 void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
 436 void lpfc_fabric_abort_hba(struct lpfc_hba *);
 437 void lpfc_fabric_block_timeout(unsigned long);
 438 void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
 439 void lpfc_rampdown_queue_depth(struct lpfc_hba *);
 440 void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
 441 void lpfc_scsi_dev_block(struct lpfc_hba *);
 442
 443 void
 444 lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
 445                                 struct lpfc_iocbq *);
 446 struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *);
 447 void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
 448 void lpfc_create_static_vport(struct lpfc_hba *);
 449 void lpfc_stop_hba_timers(struct lpfc_hba *);
 450 void lpfc_stop_port(struct lpfc_hba *);
 451 void __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *);
 452 void lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *);
 453 void lpfc_parse_fcoe_conf(struct lpfc_hba *, uint8_t *, uint32_t);
 454 int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
 455 void lpfc_start_fdiscs(struct lpfc_hba *phba);
 456 struct lpfc_vport *lpfc_find_vport_by_vpid(struct lpfc_hba *, uint16_t);
 457 struct lpfc_sglq *__lpfc_get_active_sglq(struct lpfc_hba *, uint16_t);
 458 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
 459 #define HBA_EVENT_RSCN                   5
 460 #define HBA_EVENT_LINK_UP                2
 461 #define HBA_EVENT_LINK_DOWN              3
 462
 463 /* functions to support SGIOv4/bsg interface */
 464 int lpfc_bsg_request(struct bsg_job *);
 465 int lpfc_bsg_timeout(struct bsg_job *);
 466 int lpfc_bsg_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 467                              struct lpfc_iocbq *);
 468 int lpfc_bsg_ct_unsol_abort(struct lpfc_hba *, struct hbq_dmabuf *);
 469 void __lpfc_sli_ringtx_put(struct lpfc_hba *, struct lpfc_sli_ring *,
 470         struct lpfc_iocbq *);
 471 struct lpfc_iocbq *lpfc_sli_ringtx_get(struct lpfc_hba *,
 472         struct lpfc_sli_ring *);
 473 int __lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
 474         struct lpfc_iocbq *, uint32_t);
 475 uint32_t lpfc_drain_txq(struct lpfc_hba *);
 476 void lpfc_clr_rrq_active(struct lpfc_hba *, uint16_t, struct lpfc_node_rrq *);
 477 int lpfc_test_rrq_active(struct lpfc_hba *, struct lpfc_nodelist *, uint16_t);
 478 void lpfc_handle_rrq_active(struct lpfc_hba *);
 479 int lpfc_send_rrq(struct lpfc_hba *, struct lpfc_node_rrq *);
 480 int lpfc_set_rrq_active(struct lpfc_hba *, struct lpfc_nodelist *,
 481         uint16_t, uint16_t, uint16_t);
 482 uint16_t lpfc_sli4_xri_inrange(struct lpfc_hba *, uint16_t);
 483 void lpfc_cleanup_vports_rrqs(struct lpfc_vport *, struct lpfc_nodelist *);
 484 struct lpfc_node_rrq *lpfc_get_active_rrq(struct lpfc_vport *, uint16_t,
 485         uint32_t);
 486 void lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *, enum nemb_type,
 487         enum mbox_type, enum dma_type, enum sta_type,
 488         struct lpfc_dmabuf *, uint32_t);
 489 void lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *, MAILBOX_t *);
 490 int lpfc_wr_object(struct lpfc_hba *, struct list_head *, uint32_t, uint32_t *);
 491 /* functions to support SR-IOV */
 492 int lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *, int);
 493 uint16_t lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *);
 494 int lpfc_sli4_queue_create(struct lpfc_hba *);
 495 void lpfc_sli4_queue_destroy(struct lpfc_hba *);
 496 void lpfc_sli4_abts_err_handler(struct lpfc_hba *, struct lpfc_nodelist *,
 497                                 struct sli4_wcqe_xri_aborted *);
 498 void lpfc_sli_abts_recover_port(struct lpfc_vport *,
 499                                 struct lpfc_nodelist *);
 500 int lpfc_hba_init_link_fc_topology(struct lpfc_hba *, uint32_t, uint32_t);
 501 int lpfc_issue_reg_vfi(struct lpfc_vport *);
 502 int lpfc_issue_unreg_vfi(struct lpfc_vport *);
 503 int lpfc_selective_reset(struct lpfc_hba *);
 504 int lpfc_sli4_read_config(struct lpfc_hba *);
 505 void lpfc_sli4_node_prep(struct lpfc_hba *);
 506 int lpfc_sli4_els_sgl_update(struct lpfc_hba *phba);
 507 int lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba);
 508 int lpfc_sli4_scsi_sgl_update(struct lpfc_hba *phba);
 509 int lpfc_sli4_nvme_sgl_update(struct lpfc_hba *phba);
 510 void lpfc_free_sgl_list(struct lpfc_hba *, struct list_head *);
 511 uint32_t lpfc_sli_port_speed_get(struct lpfc_hba *);
 512 int lpfc_sli4_request_firmware_update(struct lpfc_hba *, uint8_t);
 513 void lpfc_sli4_offline_eratt(struct lpfc_hba *);
 514
 515 struct lpfc_device_data *lpfc_create_device_data(struct lpfc_hba *,
 516                                                 struct lpfc_name *,
 517                                                 struct lpfc_name *,
 518                                                 uint64_t, uint32_t,  bool);
 519 void lpfc_delete_device_data(struct lpfc_hba *, struct lpfc_device_data*);
 520 struct lpfc_device_data *__lpfc_get_device_data(struct lpfc_hba *,
 521                                         struct list_head *list,
 522                                         struct lpfc_name *,
 523                                         struct lpfc_name *, uint64_t);
 524 bool lpfc_enable_oas_lun(struct lpfc_hba *, struct lpfc_name *,
 525                          struct lpfc_name *, uint64_t, uint8_t);
 526 bool lpfc_disable_oas_lun(struct lpfc_hba *, struct lpfc_name *,
 527                           struct lpfc_name *, uint64_t, uint8_t);
 528 bool lpfc_find_next_oas_lun(struct lpfc_hba *, struct lpfc_name *,
 529                             struct lpfc_name *, uint64_t *, struct lpfc_name *,
 530                             struct lpfc_name *, uint64_t *,
 531                             uint32_t *, uint32_t *);
 532 int lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox);
 533 void lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb);
 534
 535 /* NVME interfaces. */
 536 void lpfc_nvme_unregister_port(struct lpfc_vport *vport,
 537                         struct lpfc_nodelist *ndlp);
 538 int lpfc_nvme_register_port(struct lpfc_vport *vport,
 539                         struct lpfc_nodelist *ndlp);
 540 int lpfc_nvme_create_localport(struct lpfc_vport *vport);
 541 void lpfc_nvme_destroy_localport(struct lpfc_vport *vport);
 542 void lpfc_nvme_update_localport(struct lpfc_vport *vport);
 543 int lpfc_nvmet_create_targetport(struct lpfc_hba *phba);
 544 int lpfc_nvmet_update_targetport(struct lpfc_hba *phba);
 545 void lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba);
 546 void lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba,
 547                         struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb);
 548 void lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba,
 549                         struct lpfc_sli_ring *pring,
 550                         struct rqb_dmabuf *nvmebuf, uint64_t isr_ts);
 551 void lpfc_nvme_mod_param_dep(struct lpfc_hba *phba);
 552 void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba,
 553                                 struct lpfc_iocbq *cmdiocb,
 554                                 struct lpfc_wcqe_complete *abts_cmpl);
 555 extern int lpfc_enable_nvmet_cnt;
 556 extern unsigned long long lpfc_enable_nvmet[];
 557 extern int lpfc_no_hba_reset_cnt;
 558 extern unsigned long lpfc_no_hba_reset[];