1 /* 2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. 3 * All rights reserved 4 * www.brocade.com 5 * 6 * Linux driver for Brocade Fibre Channel Host Bus Adapter. 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License (GPL) Version 2 as 10 * published by the Free Software Foundation 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * General Public License for more details. 16 */ 17 18 #ifndef __BFA_FCS_H__ 19 #define __BFA_FCS_H__ 20 21 #include "bfa_cs.h" 22 #include "bfa_defs.h" 23 #include "bfa_defs_fcs.h" 24 #include "bfa_modules.h" 25 #include "bfa_fc.h" 26 27 #define BFA_FCS_OS_STR_LEN 64 28 29 /* 30 * lps_pvt BFA LPS private functions 31 */ 32 33 enum bfa_lps_event { 34 BFA_LPS_SM_LOGIN = 1, /* login request from user */ 35 BFA_LPS_SM_LOGOUT = 2, /* logout request from user */ 36 BFA_LPS_SM_FWRSP = 3, /* f/w response to login/logout */ 37 BFA_LPS_SM_RESUME = 4, /* space present in reqq queue */ 38 BFA_LPS_SM_DELETE = 5, /* lps delete from user */ 39 BFA_LPS_SM_OFFLINE = 6, /* Link is offline */ 40 BFA_LPS_SM_RX_CVL = 7, /* Rx clear virtual link */ 41 BFA_LPS_SM_SET_N2N_PID = 8, /* Set assigned PID for n2n */ 42 }; 43 44 45 /* 46 * !!! Only append to the enums defined here to avoid any versioning 47 * !!! needed between trace utility and driver version 48 */ 49 enum { 50 BFA_TRC_FCS_FCS = 1, 51 BFA_TRC_FCS_PORT = 2, 52 BFA_TRC_FCS_RPORT = 3, 53 BFA_TRC_FCS_FCPIM = 4, 54 }; 55 56 57 struct bfa_fcs_s; 58 59 #define __fcs_min_cfg(__fcs) ((__fcs)->min_cfg) 60 61 #define BFA_FCS_BRCD_SWITCH_OUI 0x051e 62 #define N2N_LOCAL_PID 0x010000 63 #define N2N_REMOTE_PID 0x020000 64 #define BFA_FCS_RETRY_TIMEOUT 2000 65 #define BFA_FCS_PID_IS_WKA(pid) ((bfa_ntoh3b(pid) > 0xFFF000) ? 1 : 0) 66 67 68 69 struct bfa_fcs_lport_ns_s { 70 bfa_sm_t sm; /* state machine */ 71 struct bfa_timer_s timer; 72 struct bfa_fcs_lport_s *port; /* parent port */ 73 struct bfa_fcxp_s *fcxp; 74 struct bfa_fcxp_wqe_s fcxp_wqe; 75 }; 76 77 78 struct bfa_fcs_lport_scn_s { 79 bfa_sm_t sm; /* state machine */ 80 struct bfa_timer_s timer; 81 struct bfa_fcs_lport_s *port; /* parent port */ 82 struct bfa_fcxp_s *fcxp; 83 struct bfa_fcxp_wqe_s fcxp_wqe; 84 }; 85 86 87 struct bfa_fcs_lport_fdmi_s { 88 bfa_sm_t sm; /* state machine */ 89 struct bfa_timer_s timer; 90 struct bfa_fcs_lport_ms_s *ms; /* parent ms */ 91 struct bfa_fcxp_s *fcxp; 92 struct bfa_fcxp_wqe_s fcxp_wqe; 93 u8 retry_cnt; /* retry count */ 94 u8 rsvd[3]; 95 }; 96 97 98 struct bfa_fcs_lport_ms_s { 99 bfa_sm_t sm; /* state machine */ 100 struct bfa_timer_s timer; 101 struct bfa_fcs_lport_s *port; /* parent port */ 102 struct bfa_fcxp_s *fcxp; 103 struct bfa_fcxp_wqe_s fcxp_wqe; 104 struct bfa_fcs_lport_fdmi_s fdmi; /* FDMI component of MS */ 105 u8 retry_cnt; /* retry count */ 106 u8 rsvd[3]; 107 }; 108 109 110 struct bfa_fcs_lport_fab_s { 111 struct bfa_fcs_lport_ns_s ns; /* NS component of port */ 112 struct bfa_fcs_lport_scn_s scn; /* scn component of port */ 113 struct bfa_fcs_lport_ms_s ms; /* MS component of port */ 114 }; 115 116 #define MAX_ALPA_COUNT 127 117 118 struct bfa_fcs_lport_loop_s { 119 u8 num_alpa; /* Num of ALPA entries in the map */ 120 u8 alpa_pos_map[MAX_ALPA_COUNT]; /* ALPA Positional 121 *Map */ 122 struct bfa_fcs_lport_s *port; /* parent port */ 123 }; 124 125 struct bfa_fcs_lport_n2n_s { 126 u32 rsvd; 127 __be16 reply_oxid; /* ox_id from the req flogi to be 128 *used in flogi acc */ 129 wwn_t rem_port_wwn; /* Attached port's wwn */ 130 }; 131 132 133 union bfa_fcs_lport_topo_u { 134 struct bfa_fcs_lport_fab_s pfab; 135 struct bfa_fcs_lport_loop_s ploop; 136 struct bfa_fcs_lport_n2n_s pn2n; 137 }; 138 139 140 struct bfa_fcs_lport_s { 141 struct list_head qe; /* used by port/vport */ 142 bfa_sm_t sm; /* state machine */ 143 struct bfa_fcs_fabric_s *fabric; /* parent fabric */ 144 struct bfa_lport_cfg_s port_cfg; /* port configuration */ 145 struct bfa_timer_s link_timer; /* timer for link offline */ 146 u32 pid:24; /* FC address */ 147 u8 lp_tag; /* lport tag */ 148 u16 num_rports; /* Num of r-ports */ 149 struct list_head rport_q; /* queue of discovered r-ports */ 150 struct bfa_fcs_s *fcs; /* FCS instance */ 151 union bfa_fcs_lport_topo_u port_topo; /* fabric/loop/n2n details */ 152 struct bfad_port_s *bfad_port; /* driver peer instance */ 153 struct bfa_fcs_vport_s *vport; /* NULL for base ports */ 154 struct bfa_fcxp_s *fcxp; 155 struct bfa_fcxp_wqe_s fcxp_wqe; 156 struct bfa_lport_stats_s stats; 157 struct bfa_wc_s wc; /* waiting counter for events */ 158 }; 159 #define BFA_FCS_GET_HAL_FROM_PORT(port) (port->fcs->bfa) 160 #define BFA_FCS_GET_NS_FROM_PORT(port) (&port->port_topo.pfab.ns) 161 #define BFA_FCS_GET_SCN_FROM_PORT(port) (&port->port_topo.pfab.scn) 162 #define BFA_FCS_GET_MS_FROM_PORT(port) (&port->port_topo.pfab.ms) 163 #define BFA_FCS_GET_FDMI_FROM_PORT(port) (&port->port_topo.pfab.ms.fdmi) 164 #define BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \ 165 (port->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM) 166 167 /* 168 * forward declaration 169 */ 170 struct bfad_vf_s; 171 172 enum bfa_fcs_fabric_type { 173 BFA_FCS_FABRIC_UNKNOWN = 0, 174 BFA_FCS_FABRIC_SWITCHED = 1, 175 BFA_FCS_FABRIC_N2N = 2, 176 }; 177 178 179 struct bfa_fcs_fabric_s { 180 struct list_head qe; /* queue element */ 181 bfa_sm_t sm; /* state machine */ 182 struct bfa_fcs_s *fcs; /* FCS instance */ 183 struct bfa_fcs_lport_s bport; /* base logical port */ 184 enum bfa_fcs_fabric_type fab_type; /* fabric type */ 185 enum bfa_port_type oper_type; /* current link topology */ 186 u8 is_vf; /* is virtual fabric? */ 187 u8 is_npiv; /* is NPIV supported ? */ 188 u8 is_auth; /* is Security/Auth supported ? */ 189 u16 bb_credit; /* BB credit from fabric */ 190 u16 vf_id; /* virtual fabric ID */ 191 u16 num_vports; /* num vports */ 192 u16 rsvd; 193 struct list_head vport_q; /* queue of virtual ports */ 194 struct list_head vf_q; /* queue of virtual fabrics */ 195 struct bfad_vf_s *vf_drv; /* driver vf structure */ 196 struct bfa_timer_s link_timer; /* Link Failure timer. Vport */ 197 wwn_t fabric_name; /* attached fabric name */ 198 bfa_boolean_t auth_reqd; /* authentication required */ 199 struct bfa_timer_s delay_timer; /* delay timer */ 200 union { 201 u16 swp_vfid;/* switch port VF id */ 202 } event_arg; 203 struct bfa_wc_s wc; /* wait counter for delete */ 204 struct bfa_vf_stats_s stats; /* fabric/vf stats */ 205 struct bfa_lps_s *lps; /* lport login services */ 206 u8 fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ]; 207 /* attached fabric's ip addr */ 208 }; 209 210 #define bfa_fcs_fabric_npiv_capable(__f) ((__f)->is_npiv) 211 #define bfa_fcs_fabric_is_switched(__f) \ 212 ((__f)->fab_type == BFA_FCS_FABRIC_SWITCHED) 213 214 /* 215 * The design calls for a single implementation of base fabric and vf. 216 */ 217 #define bfa_fcs_vf_t struct bfa_fcs_fabric_s 218 219 struct bfa_vf_event_s { 220 u32 undefined; 221 }; 222 223 struct bfa_fcs_s; 224 struct bfa_fcs_fabric_s; 225 226 /* 227 * @todo : need to move to a global config file. 228 * Maximum Rports supported per port (physical/logical). 229 */ 230 #define BFA_FCS_MAX_RPORTS_SUPP 256 /* @todo : tentative value */ 231 232 #define bfa_fcs_lport_t struct bfa_fcs_lport_s 233 234 /* 235 * Symbolic Name related defines 236 * Total bytes 255. 237 * Physical Port's symbolic name 128 bytes. 238 * For Vports, Vport's symbolic name is appended to the Physical port's 239 * Symbolic Name. 240 * 241 * Physical Port's symbolic name Format : (Total 128 bytes) 242 * Adapter Model number/name : 12 bytes 243 * Driver Version : 10 bytes 244 * Host Machine Name : 30 bytes 245 * Host OS Info : 48 bytes 246 * Host OS PATCH Info : 16 bytes 247 * ( remaining 12 bytes reserved to be used for separator) 248 */ 249 #define BFA_FCS_PORT_SYMBNAME_SEPARATOR " | " 250 251 #define BFA_FCS_PORT_SYMBNAME_MODEL_SZ 12 252 #define BFA_FCS_PORT_SYMBNAME_VERSION_SZ 10 253 #define BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ 30 254 #define BFA_FCS_PORT_SYMBNAME_OSINFO_SZ 48 255 #define BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ 16 256 257 /* bb_scn value in 2^bb_scn */ 258 #define BFA_FCS_PORT_DEF_BB_SCN 3 259 260 /* 261 * Get FC port ID for a logical port. 262 */ 263 #define bfa_fcs_lport_get_fcid(_lport) ((_lport)->pid) 264 #define bfa_fcs_lport_get_pwwn(_lport) ((_lport)->port_cfg.pwwn) 265 #define bfa_fcs_lport_get_nwwn(_lport) ((_lport)->port_cfg.nwwn) 266 #define bfa_fcs_lport_get_psym_name(_lport) ((_lport)->port_cfg.sym_name) 267 #define bfa_fcs_lport_is_initiator(_lport) \ 268 ((_lport)->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM) 269 #define bfa_fcs_lport_get_nrports(_lport) \ 270 ((_lport) ? (_lport)->num_rports : 0) 271 272 static inline struct bfad_port_s * 273 bfa_fcs_lport_get_drvport(struct bfa_fcs_lport_s *port) 274 { 275 return port->bfad_port; 276 } 277 278 #define bfa_fcs_lport_get_opertype(_lport) ((_lport)->fabric->oper_type) 279 #define bfa_fcs_lport_get_fabric_name(_lport) ((_lport)->fabric->fabric_name) 280 #define bfa_fcs_lport_get_fabric_ipaddr(_lport) \ 281 ((_lport)->fabric->fabric_ip_addr) 282 283 /* 284 * bfa fcs port public functions 285 */ 286 287 bfa_boolean_t bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port); 288 struct bfa_fcs_lport_s *bfa_fcs_get_base_port(struct bfa_fcs_s *fcs); 289 void bfa_fcs_lport_get_rports(struct bfa_fcs_lport_s *port, 290 wwn_t rport_wwns[], int *nrports); 291 292 wwn_t bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, 293 int index, int nrports, bfa_boolean_t bwwn); 294 295 struct bfa_fcs_lport_s *bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, 296 u16 vf_id, wwn_t lpwwn); 297 298 void bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port, 299 struct bfa_lport_info_s *port_info); 300 void bfa_fcs_lport_get_attr(struct bfa_fcs_lport_s *port, 301 struct bfa_lport_attr_s *port_attr); 302 void bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port, 303 struct bfa_lport_stats_s *port_stats); 304 void bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port); 305 enum bfa_port_speed bfa_fcs_lport_get_rport_max_speed( 306 struct bfa_fcs_lport_s *port); 307 308 /* MS FCS routines */ 309 void bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port); 310 void bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port); 311 void bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port); 312 void bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port); 313 314 /* FDMI FCS routines */ 315 void bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms); 316 void bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms); 317 void bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms); 318 void bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport, struct fchs_s *fchs, 319 u16 len); 320 void bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs, 321 u16 vf_id, struct bfa_fcs_vport_s *vport); 322 void bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport, 323 struct bfa_lport_cfg_s *port_cfg); 324 void bfa_fcs_lport_online(struct bfa_fcs_lport_s *port); 325 void bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port); 326 void bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port); 327 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pid( 328 struct bfa_fcs_lport_s *port, u32 pid); 329 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pwwn( 330 struct bfa_fcs_lport_s *port, wwn_t pwwn); 331 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_nwwn( 332 struct bfa_fcs_lport_s *port, wwn_t nwwn); 333 void bfa_fcs_lport_add_rport(struct bfa_fcs_lport_s *port, 334 struct bfa_fcs_rport_s *rport); 335 void bfa_fcs_lport_del_rport(struct bfa_fcs_lport_s *port, 336 struct bfa_fcs_rport_s *rport); 337 void bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *vport); 338 void bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *vport); 339 void bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *vport); 340 void bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port); 341 void bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *vport); 342 void bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *vport); 343 void bfa_fcs_lport_scn_online(struct bfa_fcs_lport_s *vport); 344 void bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port, 345 struct fchs_s *rx_frame, u32 len); 346 347 struct bfa_fcs_vport_s { 348 struct list_head qe; /* queue elem */ 349 bfa_sm_t sm; /* state machine */ 350 bfa_fcs_lport_t lport; /* logical port */ 351 struct bfa_timer_s timer; 352 struct bfad_vport_s *vport_drv; /* Driver private */ 353 struct bfa_vport_stats_s vport_stats; /* vport statistics */ 354 struct bfa_lps_s *lps; /* Lport login service*/ 355 int fdisc_retries; 356 }; 357 358 #define bfa_fcs_vport_get_port(vport) \ 359 ((struct bfa_fcs_lport_s *)(&vport->port)) 360 361 /* 362 * bfa fcs vport public functions 363 */ 364 bfa_status_t bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, 365 struct bfa_fcs_s *fcs, u16 vf_id, 366 struct bfa_lport_cfg_s *port_cfg, 367 struct bfad_vport_s *vport_drv); 368 bfa_status_t bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, 369 struct bfa_fcs_s *fcs, u16 vf_id, 370 struct bfa_lport_cfg_s *port_cfg, 371 struct bfad_vport_s *vport_drv); 372 bfa_boolean_t bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport); 373 bfa_status_t bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport); 374 bfa_status_t bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport); 375 bfa_status_t bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport); 376 void bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport, 377 struct bfa_vport_attr_s *vport_attr); 378 struct bfa_fcs_vport_s *bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, 379 u16 vf_id, wwn_t vpwwn); 380 void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport); 381 void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport); 382 void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport); 383 void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport); 384 void bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport); 385 void bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport); 386 387 #define BFA_FCS_RPORT_DEF_DEL_TIMEOUT 90 /* in secs */ 388 #define BFA_FCS_RPORT_MAX_RETRIES (5) 389 390 /* 391 * forward declarations 392 */ 393 struct bfad_rport_s; 394 395 struct bfa_fcs_itnim_s; 396 struct bfa_fcs_tin_s; 397 struct bfa_fcs_iprp_s; 398 399 /* Rport Features (RPF) */ 400 struct bfa_fcs_rpf_s { 401 bfa_sm_t sm; /* state machine */ 402 struct bfa_fcs_rport_s *rport; /* parent rport */ 403 struct bfa_timer_s timer; /* general purpose timer */ 404 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ 405 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ 406 int rpsc_retries; /* max RPSC retry attempts */ 407 enum bfa_port_speed rpsc_speed; 408 /* Current Speed from RPSC. O if RPSC fails */ 409 enum bfa_port_speed assigned_speed; 410 /* 411 * Speed assigned by the user. will be used if RPSC is 412 * not supported by the rport. 413 */ 414 }; 415 416 struct bfa_fcs_rport_s { 417 struct list_head qe; /* used by port/vport */ 418 struct bfa_fcs_lport_s *port; /* parent FCS port */ 419 struct bfa_fcs_s *fcs; /* fcs instance */ 420 struct bfad_rport_s *rp_drv; /* driver peer instance */ 421 u32 pid; /* port ID of rport */ 422 u16 maxfrsize; /* maximum frame size */ 423 __be16 reply_oxid; /* OX_ID of inbound requests */ 424 enum fc_cos fc_cos; /* FC classes of service supp */ 425 bfa_boolean_t cisc; /* CISC capable device */ 426 bfa_boolean_t prlo; /* processing prlo or LOGO */ 427 bfa_boolean_t plogi_pending; /* Rx Plogi Pending */ 428 wwn_t pwwn; /* port wwn of rport */ 429 wwn_t nwwn; /* node wwn of rport */ 430 struct bfa_rport_symname_s psym_name; /* port symbolic name */ 431 bfa_sm_t sm; /* state machine */ 432 struct bfa_timer_s timer; /* general purpose timer */ 433 struct bfa_fcs_itnim_s *itnim; /* ITN initiator mode role */ 434 struct bfa_fcs_tin_s *tin; /* ITN initiator mode role */ 435 struct bfa_fcs_iprp_s *iprp; /* IP/FC role */ 436 struct bfa_rport_s *bfa_rport; /* BFA Rport */ 437 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ 438 int plogi_retries; /* max plogi retry attempts */ 439 int ns_retries; /* max NS query retry attempts */ 440 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ 441 struct bfa_rport_stats_s stats; /* rport stats */ 442 enum bfa_rport_function scsi_function; /* Initiator/Target */ 443 struct bfa_fcs_rpf_s rpf; /* Rport features module */ 444 }; 445 446 static inline struct bfa_rport_s * 447 bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s *rport) 448 { 449 return rport->bfa_rport; 450 } 451 452 /* 453 * bfa fcs rport API functions 454 */ 455 void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, 456 struct bfa_rport_attr_s *attr); 457 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, 458 wwn_t rpwwn); 459 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn( 460 struct bfa_fcs_lport_s *port, wwn_t rnwwn); 461 void bfa_fcs_rport_set_del_timeout(u8 rport_tmo); 462 463 void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, 464 struct fchs_s *fchs, u16 len); 465 void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport); 466 467 struct bfa_fcs_rport_s *bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, 468 u32 pid); 469 void bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, 470 struct fc_logi_s *plogi_rsp); 471 void bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, 472 struct fchs_s *rx_fchs, 473 struct fc_logi_s *plogi); 474 void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, 475 struct fc_logi_s *plogi); 476 void bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id); 477 478 void bfa_fcs_rport_itntm_ack(struct bfa_fcs_rport_s *rport); 479 void bfa_fcs_rport_fcptm_offline_done(struct bfa_fcs_rport_s *rport); 480 int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport); 481 struct bfa_fcs_rport_s *bfa_fcs_rport_create_by_wwn( 482 struct bfa_fcs_lport_s *port, wwn_t wwn); 483 void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport); 484 void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport); 485 void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport); 486 487 /* 488 * forward declarations 489 */ 490 struct bfad_itnim_s; 491 492 struct bfa_fcs_itnim_s { 493 bfa_sm_t sm; /* state machine */ 494 struct bfa_fcs_rport_s *rport; /* parent remote rport */ 495 struct bfad_itnim_s *itnim_drv; /* driver peer instance */ 496 struct bfa_fcs_s *fcs; /* fcs instance */ 497 struct bfa_timer_s timer; /* timer functions */ 498 struct bfa_itnim_s *bfa_itnim; /* BFA itnim struct */ 499 u32 prli_retries; /* max prli retry attempts */ 500 bfa_boolean_t seq_rec; /* seq recovery support */ 501 bfa_boolean_t rec_support; /* REC supported */ 502 bfa_boolean_t conf_comp; /* FCP_CONF support */ 503 bfa_boolean_t task_retry_id; /* task retry id supp */ 504 struct bfa_fcxp_wqe_s fcxp_wqe; /* wait qelem for fcxp */ 505 struct bfa_fcxp_s *fcxp; /* FCXP in use */ 506 struct bfa_itnim_stats_s stats; /* itn statistics */ 507 }; 508 #define bfa_fcs_fcxp_alloc(__fcs) \ 509 bfa_fcxp_alloc(NULL, (__fcs)->bfa, 0, 0, NULL, NULL, NULL, NULL) 510 511 #define bfa_fcs_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, __alloc_cbarg) \ 512 bfa_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, __alloc_cbarg, \ 513 NULL, 0, 0, NULL, NULL, NULL, NULL) 514 515 static inline struct bfad_port_s * 516 bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s *itnim) 517 { 518 return itnim->rport->port->bfad_port; 519 } 520 521 522 static inline struct bfa_fcs_lport_s * 523 bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s *itnim) 524 { 525 return itnim->rport->port; 526 } 527 528 529 static inline wwn_t 530 bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s *itnim) 531 { 532 return itnim->rport->nwwn; 533 } 534 535 536 static inline wwn_t 537 bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s *itnim) 538 { 539 return itnim->rport->pwwn; 540 } 541 542 543 static inline u32 544 bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s *itnim) 545 { 546 return itnim->rport->pid; 547 } 548 549 550 static inline u32 551 bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s *itnim) 552 { 553 return itnim->rport->maxfrsize; 554 } 555 556 557 static inline enum fc_cos 558 bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s *itnim) 559 { 560 return itnim->rport->fc_cos; 561 } 562 563 564 static inline struct bfad_itnim_s * 565 bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s *itnim) 566 { 567 return itnim->itnim_drv; 568 } 569 570 571 static inline struct bfa_itnim_s * 572 bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s *itnim) 573 { 574 return itnim->bfa_itnim; 575 } 576 577 /* 578 * bfa fcs FCP Initiator mode API functions 579 */ 580 void bfa_fcs_itnim_get_attr(struct bfa_fcs_itnim_s *itnim, 581 struct bfa_itnim_attr_s *attr); 582 void bfa_fcs_itnim_get_stats(struct bfa_fcs_itnim_s *itnim, 583 struct bfa_itnim_stats_s *stats); 584 struct bfa_fcs_itnim_s *bfa_fcs_itnim_lookup(struct bfa_fcs_lport_s *port, 585 wwn_t rpwwn); 586 bfa_status_t bfa_fcs_itnim_attr_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, 587 struct bfa_itnim_attr_s *attr); 588 bfa_status_t bfa_fcs_itnim_stats_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, 589 struct bfa_itnim_stats_s *stats); 590 bfa_status_t bfa_fcs_itnim_stats_clear(struct bfa_fcs_lport_s *port, 591 wwn_t rpwwn); 592 struct bfa_fcs_itnim_s *bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport); 593 void bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim); 594 void bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim); 595 void bfa_fcs_itnim_rport_online(struct bfa_fcs_itnim_s *itnim); 596 bfa_status_t bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim); 597 void bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim); 598 void bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim, 599 struct fchs_s *fchs, u16 len); 600 601 #define BFA_FCS_FDMI_SUPP_SPEEDS_4G (FDMI_TRANS_SPEED_1G | \ 602 FDMI_TRANS_SPEED_2G | \ 603 FDMI_TRANS_SPEED_4G) 604 605 #define BFA_FCS_FDMI_SUPP_SPEEDS_8G (FDMI_TRANS_SPEED_1G | \ 606 FDMI_TRANS_SPEED_2G | \ 607 FDMI_TRANS_SPEED_4G | \ 608 FDMI_TRANS_SPEED_8G) 609 610 #define BFA_FCS_FDMI_SUPP_SPEEDS_16G (FDMI_TRANS_SPEED_2G | \ 611 FDMI_TRANS_SPEED_4G | \ 612 FDMI_TRANS_SPEED_8G | \ 613 FDMI_TRANS_SPEED_16G) 614 615 #define BFA_FCS_FDMI_SUPP_SPEEDS_10G FDMI_TRANS_SPEED_10G 616 617 /* 618 * HBA Attribute Block : BFA internal representation. Note : Some variable 619 * sizes have been trimmed to suit BFA For Ex : Model will be "Brocade". Based 620 * on this the size has been reduced to 16 bytes from the standard's 64 bytes. 621 */ 622 struct bfa_fcs_fdmi_hba_attr_s { 623 wwn_t node_name; 624 u8 manufacturer[64]; 625 u8 serial_num[64]; 626 u8 model[16]; 627 u8 model_desc[256]; 628 u8 hw_version[8]; 629 u8 driver_version[8]; 630 u8 option_rom_ver[BFA_VERSION_LEN]; 631 u8 fw_version[8]; 632 u8 os_name[256]; 633 __be32 max_ct_pyld; 634 }; 635 636 /* 637 * Port Attribute Block 638 */ 639 struct bfa_fcs_fdmi_port_attr_s { 640 u8 supp_fc4_types[32]; /* supported FC4 types */ 641 __be32 supp_speed; /* supported speed */ 642 __be32 curr_speed; /* current Speed */ 643 __be32 max_frm_size; /* max frame size */ 644 u8 os_device_name[256]; /* OS device Name */ 645 u8 host_name[256]; /* host name */ 646 }; 647 648 struct bfa_fcs_stats_s { 649 struct { 650 u32 untagged; /* untagged receive frames */ 651 u32 tagged; /* tagged receive frames */ 652 u32 vfid_unknown; /* VF id is unknown */ 653 } uf; 654 }; 655 656 struct bfa_fcs_driver_info_s { 657 u8 version[BFA_VERSION_LEN]; /* Driver Version */ 658 u8 host_machine_name[BFA_FCS_OS_STR_LEN]; 659 u8 host_os_name[BFA_FCS_OS_STR_LEN]; /* OS name and version */ 660 u8 host_os_patch[BFA_FCS_OS_STR_LEN]; /* patch or service pack */ 661 u8 os_device_name[BFA_FCS_OS_STR_LEN]; /* Driver Device Name */ 662 }; 663 664 struct bfa_fcs_s { 665 struct bfa_s *bfa; /* corresponding BFA bfa instance */ 666 struct bfad_s *bfad; /* corresponding BDA driver instance */ 667 struct bfa_trc_mod_s *trcmod; /* tracing module */ 668 bfa_boolean_t vf_enabled; /* VF mode is enabled */ 669 bfa_boolean_t fdmi_enabled; /* FDMI is enabled */ 670 bfa_boolean_t bbscn_enabled; /* Driver Config Parameter */ 671 bfa_boolean_t bbscn_flogi_rjt;/* FLOGI reject due to BB_SCN */ 672 bfa_boolean_t min_cfg; /* min cfg enabled/disabled */ 673 u16 port_vfid; /* port default VF ID */ 674 struct bfa_fcs_driver_info_s driver_info; 675 struct bfa_fcs_fabric_s fabric; /* base fabric state machine */ 676 struct bfa_fcs_stats_s stats; /* FCS statistics */ 677 struct bfa_wc_s wc; /* waiting counter */ 678 int fcs_aen_seq; 679 }; 680 681 /* 682 * fcs_fabric_sm fabric state machine functions 683 */ 684 685 /* 686 * Fabric state machine events 687 */ 688 enum bfa_fcs_fabric_event { 689 BFA_FCS_FABRIC_SM_CREATE = 1, /* create from driver */ 690 BFA_FCS_FABRIC_SM_DELETE = 2, /* delete from driver */ 691 BFA_FCS_FABRIC_SM_LINK_DOWN = 3, /* link down from port */ 692 BFA_FCS_FABRIC_SM_LINK_UP = 4, /* link up from port */ 693 BFA_FCS_FABRIC_SM_CONT_OP = 5, /* flogi/auth continue op */ 694 BFA_FCS_FABRIC_SM_RETRY_OP = 6, /* flogi/auth retry op */ 695 BFA_FCS_FABRIC_SM_NO_FABRIC = 7, /* from flogi/auth */ 696 BFA_FCS_FABRIC_SM_PERF_EVFP = 8, /* from flogi/auth */ 697 BFA_FCS_FABRIC_SM_ISOLATE = 9, /* from EVFP processing */ 698 BFA_FCS_FABRIC_SM_NO_TAGGING = 10, /* no VFT tagging from EVFP */ 699 BFA_FCS_FABRIC_SM_DELAYED = 11, /* timeout delay event */ 700 BFA_FCS_FABRIC_SM_AUTH_FAILED = 12, /* auth failed */ 701 BFA_FCS_FABRIC_SM_AUTH_SUCCESS = 13, /* auth successful */ 702 BFA_FCS_FABRIC_SM_DELCOMP = 14, /* all vports deleted event */ 703 BFA_FCS_FABRIC_SM_LOOPBACK = 15, /* Received our own FLOGI */ 704 BFA_FCS_FABRIC_SM_START = 16, /* from driver */ 705 }; 706 707 /* 708 * fcs_rport_sm FCS rport state machine events 709 */ 710 711 enum rport_event { 712 RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ 713 RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ 714 RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ 715 RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ 716 RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ 717 RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ 718 RPSM_EVENT_DELETE = 7, /* RPORT delete request */ 719 RPSM_EVENT_SCN = 8, /* state change notification */ 720 RPSM_EVENT_ACCEPTED = 9, /* Good response from remote device */ 721 RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ 722 RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ 723 RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ 724 RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ 725 RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ 726 RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ 727 RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */ 728 RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */ 729 RPSM_EVENT_PLOGI_RETRY = 18, /* Retry PLOGI continuously */ 730 }; 731 732 /* 733 * bfa fcs API functions 734 */ 735 void bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, 736 struct bfad_s *bfad, 737 bfa_boolean_t min_cfg); 738 void bfa_fcs_init(struct bfa_fcs_s *fcs); 739 void bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs); 740 void bfa_fcs_update_cfg(struct bfa_fcs_s *fcs); 741 void bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, 742 struct bfa_fcs_driver_info_s *driver_info); 743 void bfa_fcs_exit(struct bfa_fcs_s *fcs); 744 745 /* 746 * bfa fcs vf public functions 747 */ 748 bfa_fcs_vf_t *bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id); 749 void bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t vpwwn[], int *nports); 750 751 /* 752 * fabric protected interface functions 753 */ 754 void bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs); 755 void bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs); 756 void bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs); 757 void bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric); 758 void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric); 759 void bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, 760 struct bfa_fcs_vport_s *vport); 761 void bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, 762 struct bfa_fcs_vport_s *vport); 763 struct bfa_fcs_vport_s *bfa_fcs_fabric_vport_lookup( 764 struct bfa_fcs_fabric_s *fabric, wwn_t pwwn); 765 void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs); 766 void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, 767 struct fchs_s *fchs, u16 len); 768 void bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric); 769 void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, 770 wwn_t fabric_name); 771 u16 bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric); 772 void bfa_fcs_uf_attach(struct bfa_fcs_s *fcs); 773 void bfa_fcs_port_attach(struct bfa_fcs_s *fcs); 774 void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, 775 enum bfa_fcs_fabric_event event); 776 void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, 777 enum bfa_fcs_fabric_event event); 778 void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, 779 enum bfa_fcs_fabric_event event); 780 781 /* 782 * BFA FCS callback interfaces 783 */ 784 785 /* 786 * fcb Main fcs callbacks 787 */ 788 789 struct bfad_port_s; 790 struct bfad_vf_s; 791 struct bfad_vport_s; 792 struct bfad_rport_s; 793 794 /* 795 * lport callbacks 796 */ 797 struct bfad_port_s *bfa_fcb_lport_new(struct bfad_s *bfad, 798 struct bfa_fcs_lport_s *port, 799 enum bfa_lport_role roles, 800 struct bfad_vf_s *vf_drv, 801 struct bfad_vport_s *vp_drv); 802 void bfa_fcb_lport_delete(struct bfad_s *bfad, enum bfa_lport_role roles, 803 struct bfad_vf_s *vf_drv, 804 struct bfad_vport_s *vp_drv); 805 806 /* 807 * vport callbacks 808 */ 809 void bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s); 810 811 /* 812 * rport callbacks 813 */ 814 bfa_status_t bfa_fcb_rport_alloc(struct bfad_s *bfad, 815 struct bfa_fcs_rport_s **rport, 816 struct bfad_rport_s **rport_drv); 817 818 /* 819 * itnim callbacks 820 */ 821 void bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim, 822 struct bfad_itnim_s **itnim_drv); 823 void bfa_fcb_itnim_free(struct bfad_s *bfad, 824 struct bfad_itnim_s *itnim_drv); 825 void bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv); 826 void bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv); 827 828 #endif /* __BFA_FCS_H__ */ 829