drivers/scsi/lpfc/lpfc_crtn.h

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Enterprise Fibre Channel Host Bus Adapters.                     *
   4  * Refer to the README file included with this package for         *
   5  * driver version and adapter support.                             *
   6  * Copyright (C) 2004 Emulex Corporation.                          *
   7  * www.emulex.com                                                  *
   8  *                                                                 *
   9  * This program is free software; you can redistribute it and/or   *
  10  * modify it under the terms of the GNU General Public License     *
  11  * as published by the Free Software Foundation; either version 2  *
  12  * of the License, or (at your option) any later version.          *
  13  *                                                                 *
  14  * This program is distributed in the hope that it will be useful, *
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of  *
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   *
  17  * GNU General Public License for more details, a copy of which    *
  18  * can be found in the file COPYING included with this package.    *
  19  *******************************************************************/
  20
  21 /*
  22  * $Id: lpfc_crtn.h 1.166 2005/04/07 08:46:47EDT sf_support Exp  $
  23  */
  24
  25 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
  26 void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
  27 int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
  28                  struct lpfc_dmabuf *mp);
  29 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
  30 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
  31 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *);
  32 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
  33 void lpfc_set_slim(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
  34 int lpfc_reg_login(struct lpfc_hba *, uint32_t, uint8_t *, LPFC_MBOXQ_t *,
  35                    uint32_t);
  36 void lpfc_unreg_login(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
  37 void lpfc_unreg_did(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
  38 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
  39
  40
  41 int lpfc_linkdown(struct lpfc_hba *);
  42 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
  43
  44 void lpfc_mbx_cmpl_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
  45 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  46 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  47 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  48 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
  49 int lpfc_nlp_plogi(struct lpfc_hba *, struct lpfc_nodelist *);
  50 int lpfc_nlp_adisc(struct lpfc_hba *, struct lpfc_nodelist *);
  51 int lpfc_nlp_unmapped(struct lpfc_hba *, struct lpfc_nodelist *);
  52 int lpfc_nlp_list(struct lpfc_hba *, struct lpfc_nodelist *, int);
  53 void lpfc_set_disctmo(struct lpfc_hba *);
  54 int lpfc_can_disctmo(struct lpfc_hba *);
  55 int lpfc_unreg_rpi(struct lpfc_hba *, struct lpfc_nodelist *);
  56 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
  57                     struct lpfc_iocbq *, struct lpfc_nodelist *);
  58 int lpfc_nlp_remove(struct lpfc_hba *, struct lpfc_nodelist *);
  59 void lpfc_nlp_init(struct lpfc_hba *, struct lpfc_nodelist *, uint32_t);
  60 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_hba *, uint32_t);
  61 struct lpfc_nodelist *lpfc_setup_rscn_node(struct lpfc_hba *, uint32_t);
  62 void lpfc_disc_list_loopmap(struct lpfc_hba *);
  63 void lpfc_disc_start(struct lpfc_hba *);
  64 void lpfc_disc_flush_list(struct lpfc_hba *);
  65 void lpfc_disc_timeout(unsigned long);
  66 void lpfc_scan_timeout(unsigned long);
  67
  68 struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi);
  69 struct lpfc_nodelist *lpfc_findnode_remove_rpi(struct lpfc_hba * phba,
  70                                                uint16_t rpi);
  71 void lpfc_addnode_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
  72                       uint16_t rpi);
  73
  74 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
  75 int lpfc_do_work(void *);
  76 int lpfc_disc_state_machine(struct lpfc_hba *, struct lpfc_nodelist *, void *,
  77                             uint32_t);
  78
  79 uint32_t lpfc_cmpl_prli_reglogin_issue(struct lpfc_hba *,
  80                                        struct lpfc_nodelist *, void *,
  81                                        uint32_t);
  82 uint32_t lpfc_cmpl_plogi_prli_issue(struct lpfc_hba *, struct lpfc_nodelist *,
  83                                     void *, uint32_t);
  84
  85 int lpfc_check_sparm(struct lpfc_hba *, struct lpfc_nodelist *,
  86                      struct serv_parm *, uint32_t);
  87 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist * ndlp,
  88                         int);
  89 int lpfc_els_abort_flogi(struct lpfc_hba *);
  90 int lpfc_initial_flogi(struct lpfc_hba *);
  91 int lpfc_issue_els_plogi(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
  92 int lpfc_issue_els_prli(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
  93 int lpfc_issue_els_adisc(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
  94 int lpfc_issue_els_logo(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
  95 int lpfc_issue_els_scr(struct lpfc_hba *, uint32_t, uint8_t);
  96 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
  97 int lpfc_els_rsp_acc(struct lpfc_hba *, uint32_t, struct lpfc_iocbq *,
  98                      struct lpfc_nodelist *, LPFC_MBOXQ_t *, uint8_t);
  99 int lpfc_els_rsp_reject(struct lpfc_hba *, uint32_t, struct lpfc_iocbq *,
 100                         struct lpfc_nodelist *);
 101 int lpfc_els_rsp_adisc_acc(struct lpfc_hba *, struct lpfc_iocbq *,
 102                            struct lpfc_nodelist *);
 103 int lpfc_els_rsp_prli_acc(struct lpfc_hba *, struct lpfc_iocbq *,
 104                           struct lpfc_nodelist *);
 105 void lpfc_els_retry_delay(unsigned long);
 106 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
 107 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 108                           struct lpfc_iocbq *);
 109 int lpfc_els_handle_rscn(struct lpfc_hba *);
 110 int lpfc_els_flush_rscn(struct lpfc_hba *);
 111 int lpfc_rscn_payload_check(struct lpfc_hba *, uint32_t);
 112 void lpfc_els_flush_cmd(struct lpfc_hba *);
 113 int lpfc_els_disc_adisc(struct lpfc_hba *);
 114 int lpfc_els_disc_plogi(struct lpfc_hba *);
 115 void lpfc_els_timeout(unsigned long);
 116 void lpfc_els_timeout_handler(struct lpfc_hba *);
 117
 118 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 119                          struct lpfc_iocbq *);
 120 int lpfc_ns_cmd(struct lpfc_hba *, struct lpfc_nodelist *, int);
 121 int lpfc_fdmi_cmd(struct lpfc_hba *, struct lpfc_nodelist *, int);
 122 void lpfc_fdmi_tmo(unsigned long);
 123 void lpfc_fdmi_tmo_handler(struct lpfc_hba *);
 124
 125 int lpfc_config_port_prep(struct lpfc_hba *);
 126 int lpfc_config_port_post(struct lpfc_hba *);
 127 int lpfc_hba_down_prep(struct lpfc_hba *);
 128 void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
 129 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int, int);
 130 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
 131 uint8_t *lpfc_get_lpfchba_info(struct lpfc_hba *, uint8_t *);
 132 int lpfc_fcp_abort(struct lpfc_hba *, int, int, int);
 133 int lpfc_online(struct lpfc_hba *);
 134 int lpfc_offline(struct lpfc_hba *);
 135
 136
 137 int lpfc_sli_setup(struct lpfc_hba *);
 138 int lpfc_sli_queue_setup(struct lpfc_hba *);
 139 void lpfc_slim_access(struct lpfc_hba *);
 140
 141 void lpfc_handle_eratt(struct lpfc_hba *);
 142 void lpfc_handle_latt(struct lpfc_hba *);
 143 irqreturn_t lpfc_intr_handler(int, void *, struct pt_regs *);
 144
 145 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
 146 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
 147 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
 148 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 149 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
 150
 151 int lpfc_mem_alloc(struct lpfc_hba *);
 152 void lpfc_mem_free(struct lpfc_hba *);
 153
 154 int lpfc_sli_hba_setup(struct lpfc_hba *);
 155 int lpfc_sli_hba_down(struct lpfc_hba *);
 156 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
 157 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
 158 int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
 159                                     struct lpfc_sli_ring *, uint32_t);
 160 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
 161 int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *,
 162                         struct lpfc_iocbq *, uint32_t);
 163 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
 164 int lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
 165 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
 166                              struct lpfc_dmabuf *);
 167 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
 168                                              struct lpfc_sli_ring *,
 169                                              dma_addr_t);
 170 int lpfc_sli_issue_abort_iotag32(struct lpfc_hba *, struct lpfc_sli_ring *,
 171                                  struct lpfc_iocbq *);
 172 int lpfc_sli_sum_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
 173                           uint64_t, lpfc_ctx_cmd);
 174 int lpfc_sli_abort_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
 175                             uint64_t, uint32_t, lpfc_ctx_cmd);
 176
 177 void lpfc_mbox_timeout(unsigned long);
 178 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
 179 void lpfc_map_fcp_cmnd_to_bpl(struct lpfc_hba *, struct lpfc_scsi_buf *);
 180 void lpfc_free_scsi_cmd(struct lpfc_scsi_buf *);
 181 uint32_t lpfc_os_timeout_transform(struct lpfc_hba *, uint32_t);
 182
 183 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order,
 184                                         uint32_t did);
 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_high_priority(struct lpfc_hba * phba,
 190                                            struct lpfc_sli_ring * pring,
 191                                            struct lpfc_iocbq * piocb,
 192                                            uint32_t flag,
 193                                            struct lpfc_iocbq * prspiocbq,
 194                                            uint32_t timeout);
 195 void lpfc_sli_wake_iocb_high_priority(struct lpfc_hba * phba,
 196                                       struct lpfc_iocbq * queue1,
 197                                       struct lpfc_iocbq * queue2);
 198
 199 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
 200 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
 201
 202 /* Function prototypes. */
 203 const char* lpfc_info(struct Scsi_Host *);
 204 void lpfc_get_cfgparam(struct lpfc_hba *);
 205 int lpfc_alloc_sysfs_attr(struct lpfc_hba *);
 206 void lpfc_free_sysfs_attr(struct lpfc_hba *);
 207 extern struct class_device_attribute *lpfc_host_attrs[];
 208 extern struct scsi_host_template lpfc_template;
 209 extern struct fc_function_template lpfc_transport_functions;
 210
 211 void lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp);
 212
 213 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
 214 #define HBA_EVENT_RSCN                   5
 215 #define HBA_EVENT_LINK_UP                2
 216 #define HBA_EVENT_LINK_DOWN              3