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) 2004-2007 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 *ndlp, void *param);
  22
  23 struct fc_rport;
  24 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
  25 void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
  26 int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
  27                  struct lpfc_dmabuf *mp);
  28 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
  29 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
  30 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *);
  31 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
  32 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
  33 int lpfc_reg_login(struct lpfc_hba *, uint32_t, uint8_t *, LPFC_MBOXQ_t *,
  34                    uint32_t);
  35 void lpfc_unreg_login(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
  36 void lpfc_unreg_did(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
  37 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
  38
  39
  40 int lpfc_linkdown(struct lpfc_hba *);
  41 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
  42
  43 void lpfc_mbx_cmpl_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
  44 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  45 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  46 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  47 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  48 void lpfc_dequeue_node(struct lpfc_hba *, struct lpfc_nodelist *);
  49 void lpfc_nlp_set_state(struct lpfc_hba *, struct lpfc_nodelist *, int);
  50 void lpfc_drop_node(struct lpfc_hba *, struct lpfc_nodelist *);
  51 void lpfc_set_disctmo(struct lpfc_hba *);
  52 int lpfc_can_disctmo(struct lpfc_hba *);
  53 int lpfc_unreg_rpi(struct lpfc_hba *, struct lpfc_nodelist *);
  54 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
  55                     struct lpfc_iocbq *, struct lpfc_nodelist *);
  56 void lpfc_nlp_init(struct lpfc_hba *, struct lpfc_nodelist *, uint32_t);
  57 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
  58 int  lpfc_nlp_put(struct lpfc_nodelist *);
  59 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_hba *, uint32_t);
  60 void lpfc_disc_list_loopmap(struct lpfc_hba *);
  61 void lpfc_disc_start(struct lpfc_hba *);
  62 void lpfc_disc_flush_list(struct lpfc_hba *);
  63 void lpfc_disc_timeout(unsigned long);
  64
  65 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi);
  66 struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi);
  67
  68 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
  69 int lpfc_do_work(void *);
  70 int lpfc_disc_state_machine(struct lpfc_hba *, struct lpfc_nodelist *, void *,
  71                             uint32_t);
  72
  73 int lpfc_check_sparm(struct lpfc_hba *, struct lpfc_nodelist *,
  74                      struct serv_parm *, uint32_t);
  75 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist * ndlp);
  76 int lpfc_els_abort_flogi(struct lpfc_hba *);
  77 int lpfc_initial_flogi(struct lpfc_hba *);
  78 int lpfc_issue_els_plogi(struct lpfc_hba *, uint32_t, uint8_t);
  79 int lpfc_issue_els_prli(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
  80 int lpfc_issue_els_adisc(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
  81 int lpfc_issue_els_logo(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
  82 int lpfc_issue_els_scr(struct lpfc_hba *, uint32_t, uint8_t);
  83 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
  84 int lpfc_els_rsp_acc(struct lpfc_hba *, uint32_t, struct lpfc_iocbq *,
  85                      struct lpfc_nodelist *, LPFC_MBOXQ_t *, uint8_t);
  86 int lpfc_els_rsp_reject(struct lpfc_hba *, uint32_t, struct lpfc_iocbq *,
  87                         struct lpfc_nodelist *);
  88 int lpfc_els_rsp_adisc_acc(struct lpfc_hba *, struct lpfc_iocbq *,
  89                            struct lpfc_nodelist *);
  90 int lpfc_els_rsp_prli_acc(struct lpfc_hba *, struct lpfc_iocbq *,
  91                           struct lpfc_nodelist *);
  92 void lpfc_cancel_retry_delay_tmo(struct lpfc_hba *, struct lpfc_nodelist *);
  93 void lpfc_els_retry_delay(unsigned long);
  94 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
  95 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
  96                           struct lpfc_iocbq *);
  97 int lpfc_els_handle_rscn(struct lpfc_hba *);
  98 int lpfc_els_flush_rscn(struct lpfc_hba *);
  99 int lpfc_rscn_payload_check(struct lpfc_hba *, uint32_t);
 100 void lpfc_els_flush_cmd(struct lpfc_hba *);
 101 int lpfc_els_disc_adisc(struct lpfc_hba *);
 102 int lpfc_els_disc_plogi(struct lpfc_hba *);
 103 void lpfc_els_timeout(unsigned long);
 104 void lpfc_els_timeout_handler(struct lpfc_hba *);
 105
 106 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 107                          struct lpfc_iocbq *);
 108 int lpfc_ns_cmd(struct lpfc_hba *, struct lpfc_nodelist *, int);
 109 int lpfc_fdmi_cmd(struct lpfc_hba *, struct lpfc_nodelist *, int);
 110 void lpfc_fdmi_tmo(unsigned long);
 111 void lpfc_fdmi_tmo_handler(struct lpfc_hba *);
 112
 113 int lpfc_config_port_prep(struct lpfc_hba *);
 114 int lpfc_config_port_post(struct lpfc_hba *);
 115 int lpfc_hba_down_prep(struct lpfc_hba *);
 116 int lpfc_hba_down_post(struct lpfc_hba *);
 117 void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
 118 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int, int);
 119 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
 120 int lpfc_online(struct lpfc_hba *);
 121 void lpfc_block_mgmt_io(struct lpfc_hba *);
 122 void lpfc_unblock_mgmt_io(struct lpfc_hba *);
 123 void lpfc_offline_prep(struct lpfc_hba *);
 124 void lpfc_offline(struct lpfc_hba *);
 125
 126 int lpfc_sli_setup(struct lpfc_hba *);
 127 int lpfc_sli_queue_setup(struct lpfc_hba *);
 128
 129 void lpfc_handle_eratt(struct lpfc_hba *);
 130 void lpfc_handle_latt(struct lpfc_hba *);
 131 irqreturn_t lpfc_intr_handler(int, void *);
 132
 133 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
 134 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
 135 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
 136 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
 137 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 138 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
 139 int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
 140
 141 int lpfc_mem_alloc(struct lpfc_hba *);
 142 void lpfc_mem_free(struct lpfc_hba *);
 143
 144 void lpfc_poll_timeout(unsigned long ptr);
 145 void lpfc_poll_start_timer(struct lpfc_hba * phba);
 146 void lpfc_sli_poll_fcp_ring(struct lpfc_hba * hba);
 147 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
 148 void lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
 149 uint16_t lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
 150
 151 void lpfc_reset_barrier(struct lpfc_hba * phba);
 152 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
 153 int lpfc_sli_brdkill(struct lpfc_hba *);
 154 int lpfc_sli_brdreset(struct lpfc_hba *);
 155 int lpfc_sli_brdrestart(struct lpfc_hba *);
 156 int lpfc_sli_hba_setup(struct lpfc_hba *);
 157 int lpfc_sli_hba_down(struct lpfc_hba *);
 158 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
 159 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
 160 int lpfc_sli_flush_mbox_queue(struct lpfc_hba *);
 161 int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
 162                                     struct lpfc_sli_ring *, uint32_t);
 163 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
 164 int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *,
 165                         struct lpfc_iocbq *, uint32_t);
 166 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
 167 int lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
 168 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
 169                              struct lpfc_dmabuf *);
 170 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
 171                                              struct lpfc_sli_ring *,
 172                                              dma_addr_t);
 173 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
 174                                struct lpfc_iocbq *);
 175 int lpfc_sli_sum_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
 176                           uint64_t, lpfc_ctx_cmd);
 177 int lpfc_sli_abort_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
 178                             uint64_t, uint32_t, lpfc_ctx_cmd);
 179
 180 void lpfc_mbox_timeout(unsigned long);
 181 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
 182
 183 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_hba *, uint32_t);
 184 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_hba *, struct lpfc_name *);
 185
 186 int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq,
 187                          uint32_t timeout);
 188
 189 int lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba,
 190                              struct lpfc_sli_ring * pring,
 191                              struct lpfc_iocbq * piocb,
 192                              struct lpfc_iocbq * prspiocbq,
 193                              uint32_t timeout);
 194 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba,
 195                              struct lpfc_iocbq * cmdiocb,
 196                              struct lpfc_iocbq * rspiocb);
 197
 198 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
 199 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
 200
 201 /* Function prototypes. */
 202 const char* lpfc_info(struct Scsi_Host *);
 203 void lpfc_scan_start(struct Scsi_Host *);
 204 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
 205
 206 void lpfc_get_cfgparam(struct lpfc_hba *);
 207 int lpfc_alloc_sysfs_attr(struct lpfc_hba *);
 208 void lpfc_free_sysfs_attr(struct lpfc_hba *);
 209 extern struct class_device_attribute *lpfc_host_attrs[];
 210 extern struct scsi_host_template lpfc_template;
 211 extern struct fc_function_template lpfc_transport_functions;
 212
 213 void lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp);
 214 void lpfc_terminate_rport_io(struct fc_rport *);
 215 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
 216
 217 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
 218 #define HBA_EVENT_RSCN                   5
 219 #define HBA_EVENT_LINK_UP                2
 220 #define HBA_EVENT_LINK_DOWN              3