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_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *); 27 void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); 28 29 void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *); 30 int lpfc_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *); 31 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *); 32 void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *); 33 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *); 34 int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *); 35 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int); 36 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *); 37 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *); 38 int lpfc_reg_login(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *, 39 LPFC_MBOXQ_t *, uint32_t); 40 void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *); 41 void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *); 42 void lpfc_reg_vpi(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *); 43 void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *); 44 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t); 45 46 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t); 47 void lpfc_cleanup_rpis(struct lpfc_vport *, int); 48 int lpfc_linkdown(struct lpfc_hba *); 49 void lpfc_port_link_failure(struct lpfc_vport *); 50 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *); 51 52 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); 53 void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *); 54 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); 55 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); 56 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); 57 void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *); 58 void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *); 59 struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *, 60 struct lpfc_nodelist *, int); 61 void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int); 62 void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *); 63 void lpfc_set_disctmo(struct lpfc_vport *); 64 int lpfc_can_disctmo(struct lpfc_vport *); 65 int lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *); 66 void lpfc_unreg_all_rpis(struct lpfc_vport *); 67 void lpfc_unreg_default_rpis(struct lpfc_vport *); 68 void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *); 69 70 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *, 71 struct lpfc_iocbq *, struct lpfc_nodelist *); 72 void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t); 73 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *); 74 int lpfc_nlp_put(struct lpfc_nodelist *); 75 int lpfc_nlp_not_used(struct lpfc_nodelist *ndlp); 76 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t); 77 void lpfc_disc_list_loopmap(struct lpfc_vport *); 78 void lpfc_disc_start(struct lpfc_vport *); 79 void lpfc_cleanup_discovery_resources(struct lpfc_vport *); 80 void lpfc_cleanup(struct lpfc_vport *); 81 void lpfc_disc_timeout(unsigned long); 82 83 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t); 84 85 void lpfc_worker_wake_up(struct lpfc_hba *); 86 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t); 87 int lpfc_do_work(void *); 88 int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *, 89 uint32_t); 90 91 void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *); 92 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *, 93 struct serv_parm *, uint32_t); 94 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *); 95 void lpfc_more_plogi(struct lpfc_vport *); 96 void lpfc_more_adisc(struct lpfc_vport *); 97 void lpfc_end_rscn(struct lpfc_vport *); 98 int lpfc_els_chk_latt(struct lpfc_vport *); 99 int lpfc_els_abort_flogi(struct lpfc_hba *); 100 int lpfc_initial_flogi(struct lpfc_vport *); 101 int lpfc_initial_fdisc(struct lpfc_vport *); 102 int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t); 103 int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t); 104 int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t); 105 int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t); 106 int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *); 107 int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t); 108 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *); 109 int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *); 110 int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *, 111 struct lpfc_nodelist *, LPFC_MBOXQ_t *); 112 int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *, 113 struct lpfc_nodelist *, LPFC_MBOXQ_t *); 114 int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *, 115 struct lpfc_nodelist *); 116 int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *, 117 struct lpfc_nodelist *); 118 void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *); 119 void lpfc_els_retry_delay(unsigned long); 120 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *); 121 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *, 122 struct lpfc_iocbq *); 123 int lpfc_els_handle_rscn(struct lpfc_vport *); 124 void lpfc_els_flush_rscn(struct lpfc_vport *); 125 int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t); 126 void lpfc_els_flush_all_cmd(struct lpfc_hba *); 127 void lpfc_els_flush_cmd(struct lpfc_vport *); 128 int lpfc_els_disc_adisc(struct lpfc_vport *); 129 int lpfc_els_disc_plogi(struct lpfc_vport *); 130 void lpfc_els_timeout(unsigned long); 131 void lpfc_els_timeout_handler(struct lpfc_vport *); 132 void lpfc_hb_timeout_handler(struct lpfc_hba *); 133 134 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *, 135 struct lpfc_iocbq *); 136 int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t); 137 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int); 138 void lpfc_fdmi_tmo(unsigned long); 139 void lpfc_fdmi_timeout_handler(struct lpfc_vport *); 140 141 int lpfc_config_port_prep(struct lpfc_hba *); 142 int lpfc_config_port_post(struct lpfc_hba *); 143 int lpfc_hba_down_prep(struct lpfc_hba *); 144 int lpfc_hba_down_post(struct lpfc_hba *); 145 void lpfc_hba_init(struct lpfc_hba *, uint32_t *); 146 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int); 147 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int); 148 int lpfc_online(struct lpfc_hba *); 149 void lpfc_unblock_mgmt_io(struct lpfc_hba *); 150 void lpfc_offline_prep(struct lpfc_hba *); 151 void lpfc_offline(struct lpfc_hba *); 152 153 int lpfc_sli_setup(struct lpfc_hba *); 154 int lpfc_sli_queue_setup(struct lpfc_hba *); 155 156 void lpfc_handle_eratt(struct lpfc_hba *); 157 void lpfc_handle_latt(struct lpfc_hba *); 158 irqreturn_t lpfc_intr_handler(int, void *); 159 irqreturn_t lpfc_sp_intr_handler(int, void *); 160 irqreturn_t lpfc_fp_intr_handler(int, void *); 161 162 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *); 163 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *); 164 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *); 165 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *); 166 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *); 167 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *); 168 void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *); 169 int lpfc_mbox_tmo_val(struct lpfc_hba *, int); 170 171 void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *, 172 uint32_t , LPFC_MBOXQ_t *); 173 struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *); 174 void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *); 175 176 int lpfc_mem_alloc(struct lpfc_hba *); 177 void lpfc_mem_free(struct lpfc_hba *); 178 void lpfc_stop_vport_timers(struct lpfc_vport *); 179 180 void lpfc_poll_timeout(unsigned long ptr); 181 void lpfc_poll_start_timer(struct lpfc_hba *); 182 void lpfc_poll_eratt(unsigned long); 183 void lpfc_sli_poll_fcp_ring(struct lpfc_hba *); 184 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *); 185 void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *); 186 uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *); 187 void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t, 188 uint32_t); 189 190 void lpfc_reset_barrier(struct lpfc_hba * phba); 191 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t); 192 int lpfc_sli_brdkill(struct lpfc_hba *); 193 int lpfc_sli_brdreset(struct lpfc_hba *); 194 int lpfc_sli_brdrestart(struct lpfc_hba *); 195 int lpfc_sli_hba_setup(struct lpfc_hba *); 196 int lpfc_sli_config_port(struct lpfc_hba *, int); 197 int lpfc_sli_host_down(struct lpfc_vport *); 198 int lpfc_sli_hba_down(struct lpfc_hba *); 199 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); 200 int lpfc_sli_handle_mb_event(struct lpfc_hba *); 201 int lpfc_sli_flush_mbox_queue(struct lpfc_hba *); 202 int lpfc_sli_check_eratt(struct lpfc_hba *); 203 int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *, 204 struct lpfc_sli_ring *, uint32_t); 205 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); 206 int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, 207 struct lpfc_iocbq *, uint32_t); 208 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t); 209 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *); 210 void lpfc_sli_flush_fcp_rings(struct lpfc_hba *); 211 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *, 212 struct lpfc_dmabuf *); 213 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *, 214 struct lpfc_sli_ring *, 215 dma_addr_t); 216 217 uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *); 218 struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *, 219 struct lpfc_sli_ring *, uint32_t ); 220 221 int lpfc_sli_hbq_count(void); 222 int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t); 223 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *); 224 int lpfc_sli_hbq_size(void); 225 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *, 226 struct lpfc_iocbq *); 227 int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd); 228 int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t, 229 uint64_t, lpfc_ctx_cmd); 230 231 void lpfc_mbox_timeout(unsigned long); 232 void lpfc_mbox_timeout_handler(struct lpfc_hba *); 233 234 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t); 235 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *, 236 struct lpfc_name *); 237 238 int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); 239 240 int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, struct lpfc_sli_ring *, 241 struct lpfc_iocbq *, struct lpfc_iocbq *, 242 uint32_t); 243 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *, 244 struct lpfc_iocbq *); 245 246 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *); 247 248 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *); 249 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t); 250 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t); 251 252 void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *); 253 /* Function prototypes. */ 254 const char* lpfc_info(struct Scsi_Host *); 255 int lpfc_scan_finished(struct Scsi_Host *, unsigned long); 256 257 void lpfc_get_cfgparam(struct lpfc_hba *); 258 void lpfc_get_vport_cfgparam(struct lpfc_vport *); 259 int lpfc_alloc_sysfs_attr(struct lpfc_vport *); 260 void lpfc_free_sysfs_attr(struct lpfc_vport *); 261 extern struct device_attribute *lpfc_hba_attrs[]; 262 extern struct device_attribute *lpfc_vport_attrs[]; 263 extern struct scsi_host_template lpfc_template; 264 extern struct scsi_host_template lpfc_vport_template; 265 extern struct fc_function_template lpfc_transport_functions; 266 extern struct fc_function_template lpfc_vport_transport_functions; 267 extern int lpfc_sli_mode; 268 extern int lpfc_enable_npiv; 269 270 int lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t); 271 int lpfc_vport_symbolic_port_name(struct lpfc_vport *, char *, size_t); 272 void lpfc_terminate_rport_io(struct fc_rport *); 273 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport); 274 275 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *); 276 int lpfc_vport_disable(struct fc_vport *fc_vport, bool disable); 277 int lpfc_mbx_unreg_vpi(struct lpfc_vport *); 278 void destroy_port(struct lpfc_vport *); 279 int lpfc_get_instance(void); 280 void lpfc_host_attrib_init(struct Scsi_Host *); 281 282 extern void lpfc_debugfs_initialize(struct lpfc_vport *); 283 extern void lpfc_debugfs_terminate(struct lpfc_vport *); 284 extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t, 285 uint32_t, uint32_t); 286 extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t, 287 uint32_t, uint32_t); 288 extern struct lpfc_hbq_init *lpfc_hbq_defs[]; 289 290 /* externs BlockGuard */ 291 extern char *_dump_buf_data; 292 extern unsigned long _dump_buf_data_order; 293 extern char *_dump_buf_dif; 294 extern unsigned long _dump_buf_dif_order; 295 extern spinlock_t _dump_buf_lock; 296 extern int _dump_buf_done; 297 extern spinlock_t pgcnt_lock; 298 extern unsigned int pgcnt; 299 extern unsigned int lpfc_prot_mask; 300 extern unsigned char lpfc_prot_guard; 301 302 /* Interface exported by fabric iocb scheduler */ 303 void lpfc_fabric_abort_nport(struct lpfc_nodelist *); 304 void lpfc_fabric_abort_hba(struct lpfc_hba *); 305 void lpfc_fabric_block_timeout(unsigned long); 306 void lpfc_unblock_fabric_iocbs(struct lpfc_hba *); 307 void lpfc_rampdown_queue_depth(struct lpfc_hba *); 308 void lpfc_ramp_down_queue_handler(struct lpfc_hba *); 309 void lpfc_ramp_up_queue_handler(struct lpfc_hba *); 310 void lpfc_scsi_dev_block(struct lpfc_hba *); 311 312 void 313 lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *, 314 struct lpfc_iocbq *); 315 struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *); 316 void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *); 317 318 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) 319 #define HBA_EVENT_RSCN 5 320 #define HBA_EVENT_LINK_UP 2 321 #define HBA_EVENT_LINK_DOWN 3 322