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