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_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *); 26 void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); 27 28 void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *); 29 int lpfc_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *); 30 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *); 31 void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *); 32 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *); 33 int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *); 34 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int); 35 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *); 36 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *); 37 int lpfc_reg_login(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *, 38 LPFC_MBOXQ_t *, uint32_t); 39 void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *); 40 void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *); 41 void lpfc_reg_vpi(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *); 42 void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *); 43 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t); 44 45 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t); 46 void lpfc_cleanup_rpis(struct lpfc_vport *, int); 47 int lpfc_linkdown(struct lpfc_hba *); 48 void lpfc_port_link_failure(struct lpfc_vport *); 49 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *); 50 51 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); 52 void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *); 53 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); 54 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); 55 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); 56 void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *); 57 void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *); 58 struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *, 59 struct lpfc_nodelist *, int); 60 void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int); 61 void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *); 62 void lpfc_set_disctmo(struct lpfc_vport *); 63 int lpfc_can_disctmo(struct lpfc_vport *); 64 int lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *); 65 void lpfc_unreg_all_rpis(struct lpfc_vport *); 66 void lpfc_unreg_default_rpis(struct lpfc_vport *); 67 void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *); 68 69 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *, 70 struct lpfc_iocbq *, struct lpfc_nodelist *); 71 void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t); 72 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *); 73 int lpfc_nlp_put(struct lpfc_nodelist *); 74 int lpfc_nlp_not_used(struct lpfc_nodelist *ndlp); 75 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t); 76 void lpfc_disc_list_loopmap(struct lpfc_vport *); 77 void lpfc_disc_start(struct lpfc_vport *); 78 void lpfc_cleanup_discovery_resources(struct lpfc_vport *); 79 void lpfc_cleanup(struct lpfc_vport *); 80 void lpfc_disc_timeout(unsigned long); 81 82 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t); 83 84 void lpfc_worker_wake_up(struct lpfc_hba *); 85 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t); 86 int lpfc_do_work(void *); 87 int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *, 88 uint32_t); 89 90 void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *); 91 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *, 92 struct serv_parm *, uint32_t); 93 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *); 94 void lpfc_more_plogi(struct lpfc_vport *); 95 void lpfc_more_adisc(struct lpfc_vport *); 96 void lpfc_end_rscn(struct lpfc_vport *); 97 int lpfc_els_chk_latt(struct lpfc_vport *); 98 int lpfc_els_abort_flogi(struct lpfc_hba *); 99 int lpfc_initial_flogi(struct lpfc_vport *); 100 int lpfc_initial_fdisc(struct lpfc_vport *); 101 int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t); 102 int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t); 103 int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t); 104 int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t); 105 int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *); 106 int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t); 107 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *); 108 int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *); 109 int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *, 110 struct lpfc_nodelist *, LPFC_MBOXQ_t *); 111 int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *, 112 struct lpfc_nodelist *, LPFC_MBOXQ_t *); 113 int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *, 114 struct lpfc_nodelist *); 115 int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *, 116 struct lpfc_nodelist *); 117 void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *); 118 void lpfc_els_retry_delay(unsigned long); 119 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *); 120 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *, 121 struct lpfc_iocbq *); 122 int lpfc_els_handle_rscn(struct lpfc_vport *); 123 void lpfc_els_flush_rscn(struct lpfc_vport *); 124 int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t); 125 void lpfc_els_flush_all_cmd(struct lpfc_hba *); 126 void lpfc_els_flush_cmd(struct lpfc_vport *); 127 int lpfc_els_disc_adisc(struct lpfc_vport *); 128 int lpfc_els_disc_plogi(struct lpfc_vport *); 129 void lpfc_els_timeout(unsigned long); 130 void lpfc_els_timeout_handler(struct lpfc_vport *); 131 void lpfc_hb_timeout_handler(struct lpfc_hba *); 132 133 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *, 134 struct lpfc_iocbq *); 135 int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t); 136 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int); 137 void lpfc_fdmi_tmo(unsigned long); 138 void lpfc_fdmi_timeout_handler(struct lpfc_vport *); 139 140 int lpfc_config_port_prep(struct lpfc_hba *); 141 int lpfc_config_port_post(struct lpfc_hba *); 142 int lpfc_hba_down_prep(struct lpfc_hba *); 143 int lpfc_hba_down_post(struct lpfc_hba *); 144 void lpfc_hba_init(struct lpfc_hba *, uint32_t *); 145 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int); 146 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int); 147 int lpfc_online(struct lpfc_hba *); 148 void lpfc_unblock_mgmt_io(struct lpfc_hba *); 149 void lpfc_offline_prep(struct lpfc_hba *); 150 void lpfc_offline(struct lpfc_hba *); 151 152 int lpfc_sli_setup(struct lpfc_hba *); 153 int lpfc_sli_queue_setup(struct lpfc_hba *); 154 155 void lpfc_handle_eratt(struct lpfc_hba *); 156 void lpfc_handle_latt(struct lpfc_hba *); 157 irqreturn_t lpfc_intr_handler(int, void *); 158 irqreturn_t lpfc_sp_intr_handler(int, void *); 159 irqreturn_t lpfc_fp_intr_handler(int, void *); 160 161 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *); 162 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *); 163 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *); 164 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *); 165 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *); 166 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *); 167 void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *); 168 int lpfc_mbox_tmo_val(struct lpfc_hba *, int); 169 170 void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *, 171 uint32_t , LPFC_MBOXQ_t *); 172 struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *); 173 void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *); 174 175 int lpfc_mem_alloc(struct lpfc_hba *); 176 void lpfc_mem_free(struct lpfc_hba *); 177 void lpfc_stop_vport_timers(struct lpfc_vport *); 178 179 void lpfc_poll_timeout(unsigned long ptr); 180 void lpfc_poll_start_timer(struct lpfc_hba *); 181 void lpfc_poll_eratt(unsigned long); 182 void lpfc_sli_poll_fcp_ring(struct lpfc_hba *); 183 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *); 184 void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *); 185 uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *); 186 187 void lpfc_reset_barrier(struct lpfc_hba * phba); 188 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t); 189 int lpfc_sli_brdkill(struct lpfc_hba *); 190 int lpfc_sli_brdreset(struct lpfc_hba *); 191 int lpfc_sli_brdrestart(struct lpfc_hba *); 192 int lpfc_sli_hba_setup(struct lpfc_hba *); 193 int lpfc_sli_config_port(struct lpfc_hba *, int); 194 int lpfc_sli_host_down(struct lpfc_vport *); 195 int lpfc_sli_hba_down(struct lpfc_hba *); 196 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); 197 int lpfc_sli_handle_mb_event(struct lpfc_hba *); 198 int lpfc_sli_flush_mbox_queue(struct lpfc_hba *); 199 int lpfc_sli_check_eratt(struct lpfc_hba *); 200 int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *, 201 struct lpfc_sli_ring *, uint32_t); 202 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); 203 int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, 204 struct lpfc_iocbq *, uint32_t); 205 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t); 206 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *); 207 void lpfc_sli_flush_fcp_rings(struct lpfc_hba *); 208 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *, 209 struct lpfc_dmabuf *); 210 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *, 211 struct lpfc_sli_ring *, 212 dma_addr_t); 213 214 uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *); 215 struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *, 216 struct lpfc_sli_ring *, uint32_t ); 217 218 int lpfc_sli_hbq_count(void); 219 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t); 220 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *); 221 int lpfc_sli_hbq_size(void); 222 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *, 223 struct lpfc_iocbq *); 224 int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd); 225 int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t, 226 uint64_t, lpfc_ctx_cmd); 227 228 void lpfc_mbox_timeout(unsigned long); 229 void lpfc_mbox_timeout_handler(struct lpfc_hba *); 230 231 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t); 232 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *, 233 struct lpfc_name *); 234 235 int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); 236 237 int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, struct lpfc_sli_ring *, 238 struct lpfc_iocbq *, struct lpfc_iocbq *, 239 uint32_t); 240 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *, 241 struct lpfc_iocbq *); 242 243 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *); 244 245 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *); 246 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t); 247 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t); 248 249 void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *); 250 /* Function prototypes. */ 251 const char* lpfc_info(struct Scsi_Host *); 252 int lpfc_scan_finished(struct Scsi_Host *, unsigned long); 253 254 void lpfc_get_cfgparam(struct lpfc_hba *); 255 void lpfc_get_vport_cfgparam(struct lpfc_vport *); 256 int lpfc_alloc_sysfs_attr(struct lpfc_vport *); 257 void lpfc_free_sysfs_attr(struct lpfc_vport *); 258 extern struct device_attribute *lpfc_hba_attrs[]; 259 extern struct device_attribute *lpfc_vport_attrs[]; 260 extern struct scsi_host_template lpfc_template; 261 extern struct scsi_host_template lpfc_vport_template; 262 extern struct fc_function_template lpfc_transport_functions; 263 extern struct fc_function_template lpfc_vport_transport_functions; 264 extern int lpfc_sli_mode; 265 extern int lpfc_enable_npiv; 266 267 int lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t); 268 int lpfc_vport_symbolic_port_name(struct lpfc_vport *, char *, size_t); 269 void lpfc_terminate_rport_io(struct fc_rport *); 270 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport); 271 272 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *); 273 int lpfc_vport_disable(struct fc_vport *fc_vport, bool disable); 274 int lpfc_mbx_unreg_vpi(struct lpfc_vport *); 275 void destroy_port(struct lpfc_vport *); 276 int lpfc_get_instance(void); 277 void lpfc_host_attrib_init(struct Scsi_Host *); 278 279 extern void lpfc_debugfs_initialize(struct lpfc_vport *); 280 extern void lpfc_debugfs_terminate(struct lpfc_vport *); 281 extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t, 282 uint32_t, uint32_t); 283 extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t, 284 uint32_t, uint32_t); 285 extern struct lpfc_hbq_init *lpfc_hbq_defs[]; 286 287 /* Interface exported by fabric iocb scheduler */ 288 void lpfc_fabric_abort_nport(struct lpfc_nodelist *); 289 void lpfc_fabric_abort_hba(struct lpfc_hba *); 290 void lpfc_fabric_block_timeout(unsigned long); 291 void lpfc_unblock_fabric_iocbs(struct lpfc_hba *); 292 void lpfc_adjust_queue_depth(struct lpfc_hba *); 293 void lpfc_ramp_down_queue_handler(struct lpfc_hba *); 294 void lpfc_ramp_up_queue_handler(struct lpfc_hba *); 295 void lpfc_scsi_dev_block(struct lpfc_hba *); 296 297 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) 298 #define HBA_EVENT_RSCN 5 299 #define HBA_EVENT_LINK_UP 2 300 #define HBA_EVENT_LINK_DOWN 3 301