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