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_MAX_NS_RETRIES 5 66 #define BFA_FCS_PID_IS_WKA(pid) ((bfa_ntoh3b(pid) > 0xFFF000) ? 1 : 0) 67 #define BFA_FCS_MAX_RPORT_LOGINS 1024 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 u8 num_rnnid_retries; 76 u8 num_rsnn_nn_retries; 77 }; 78 79 80 struct bfa_fcs_lport_scn_s { 81 bfa_sm_t sm; /* state machine */ 82 struct bfa_timer_s timer; 83 struct bfa_fcs_lport_s *port; /* parent port */ 84 struct bfa_fcxp_s *fcxp; 85 struct bfa_fcxp_wqe_s fcxp_wqe; 86 }; 87 88 89 struct bfa_fcs_lport_fdmi_s { 90 bfa_sm_t sm; /* state machine */ 91 struct bfa_timer_s timer; 92 struct bfa_fcs_lport_ms_s *ms; /* parent ms */ 93 struct bfa_fcxp_s *fcxp; 94 struct bfa_fcxp_wqe_s fcxp_wqe; 95 u8 retry_cnt; /* retry count */ 96 u8 rsvd[3]; 97 }; 98 99 100 struct bfa_fcs_lport_ms_s { 101 bfa_sm_t sm; /* state machine */ 102 struct bfa_timer_s timer; 103 struct bfa_fcs_lport_s *port; /* parent port */ 104 struct bfa_fcxp_s *fcxp; 105 struct bfa_fcxp_wqe_s fcxp_wqe; 106 struct bfa_fcs_lport_fdmi_s fdmi; /* FDMI component of MS */ 107 u8 retry_cnt; /* retry count */ 108 u8 rsvd[3]; 109 }; 110 111 112 struct bfa_fcs_lport_fab_s { 113 struct bfa_fcs_lport_ns_s ns; /* NS component of port */ 114 struct bfa_fcs_lport_scn_s scn; /* scn component of port */ 115 struct bfa_fcs_lport_ms_s ms; /* MS component of port */ 116 }; 117 118 #define MAX_ALPA_COUNT 127 119 120 struct bfa_fcs_lport_loop_s { 121 u8 num_alpa; /* Num of ALPA entries in the map */ 122 u8 alpabm_valid; /* alpa bitmap valid or not (1 or 0) */ 123 u8 alpa_pos_map[MAX_ALPA_COUNT]; /* ALPA Positional Map */ 124 struct bfa_fcs_lport_s *port; /* parent port */ 125 }; 126 127 struct bfa_fcs_lport_n2n_s { 128 u32 rsvd; 129 __be16 reply_oxid; /* ox_id from the req flogi to be 130 *used in flogi acc */ 131 wwn_t rem_port_wwn; /* Attached port's wwn */ 132 }; 133 134 135 union bfa_fcs_lport_topo_u { 136 struct bfa_fcs_lport_fab_s pfab; 137 struct bfa_fcs_lport_loop_s ploop; 138 struct bfa_fcs_lport_n2n_s pn2n; 139 }; 140 141 142 struct bfa_fcs_lport_s { 143 struct list_head qe; /* used by port/vport */ 144 bfa_sm_t sm; /* state machine */ 145 struct bfa_fcs_fabric_s *fabric; /* parent fabric */ 146 struct bfa_lport_cfg_s port_cfg; /* port configuration */ 147 struct bfa_timer_s link_timer; /* timer for link offline */ 148 u32 pid:24; /* FC address */ 149 u8 lp_tag; /* lport tag */ 150 u16 num_rports; /* Num of r-ports */ 151 struct list_head rport_q; /* queue of discovered r-ports */ 152 struct bfa_fcs_s *fcs; /* FCS instance */ 153 union bfa_fcs_lport_topo_u port_topo; /* fabric/loop/n2n details */ 154 struct bfad_port_s *bfad_port; /* driver peer instance */ 155 struct bfa_fcs_vport_s *vport; /* NULL for base ports */ 156 struct bfa_fcxp_s *fcxp; 157 struct bfa_fcxp_wqe_s fcxp_wqe; 158 struct bfa_lport_stats_s stats; 159 struct bfa_wc_s wc; /* waiting counter for events */ 160 }; 161 #define BFA_FCS_GET_HAL_FROM_PORT(port) (port->fcs->bfa) 162 #define BFA_FCS_GET_NS_FROM_PORT(port) (&port->port_topo.pfab.ns) 163 #define BFA_FCS_GET_SCN_FROM_PORT(port) (&port->port_topo.pfab.scn) 164 #define BFA_FCS_GET_MS_FROM_PORT(port) (&port->port_topo.pfab.ms) 165 #define BFA_FCS_GET_FDMI_FROM_PORT(port) (&port->port_topo.pfab.ms.fdmi) 166 #define BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \ 167 (port->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM) 168 169 /* 170 * forward declaration 171 */ 172 struct bfad_vf_s; 173 174 enum bfa_fcs_fabric_type { 175 BFA_FCS_FABRIC_UNKNOWN = 0, 176 BFA_FCS_FABRIC_SWITCHED = 1, 177 BFA_FCS_FABRIC_N2N = 2, 178 BFA_FCS_FABRIC_LOOP = 3, 179 }; 180 181 182 struct bfa_fcs_fabric_s { 183 struct list_head qe; /* queue element */ 184 bfa_sm_t sm; /* state machine */ 185 struct bfa_fcs_s *fcs; /* FCS instance */ 186 struct bfa_fcs_lport_s bport; /* base logical port */ 187 enum bfa_fcs_fabric_type fab_type; /* fabric type */ 188 enum bfa_port_type oper_type; /* current link topology */ 189 u8 is_vf; /* is virtual fabric? */ 190 u8 is_npiv; /* is NPIV supported ? */ 191 u8 is_auth; /* is Security/Auth supported ? */ 192 u16 bb_credit; /* BB credit from fabric */ 193 u16 vf_id; /* virtual fabric ID */ 194 u16 num_vports; /* num vports */ 195 u16 rsvd; 196 struct list_head vport_q; /* queue of virtual ports */ 197 struct list_head vf_q; /* queue of virtual fabrics */ 198 struct bfad_vf_s *vf_drv; /* driver vf structure */ 199 struct bfa_timer_s link_timer; /* Link Failure timer. Vport */ 200 wwn_t fabric_name; /* attached fabric name */ 201 bfa_boolean_t auth_reqd; /* authentication required */ 202 struct bfa_timer_s delay_timer; /* delay timer */ 203 union { 204 u16 swp_vfid;/* switch port VF id */ 205 } event_arg; 206 struct bfa_wc_s wc; /* wait counter for delete */ 207 struct bfa_vf_stats_s stats; /* fabric/vf stats */ 208 struct bfa_lps_s *lps; /* lport login services */ 209 u8 fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ]; 210 /* attached fabric's ip addr */ 211 struct bfa_wc_s stop_wc; /* wait counter for stop */ 212 }; 213 214 #define bfa_fcs_fabric_npiv_capable(__f) ((__f)->is_npiv) 215 #define bfa_fcs_fabric_is_switched(__f) \ 216 ((__f)->fab_type == BFA_FCS_FABRIC_SWITCHED) 217 218 /* 219 * The design calls for a single implementation of base fabric and vf. 220 */ 221 #define bfa_fcs_vf_t struct bfa_fcs_fabric_s 222 223 struct bfa_vf_event_s { 224 u32 undefined; 225 }; 226 227 struct bfa_fcs_s; 228 struct bfa_fcs_fabric_s; 229 230 /* 231 * @todo : need to move to a global config file. 232 * Maximum Rports supported per port (physical/logical). 233 */ 234 #define BFA_FCS_MAX_RPORTS_SUPP 256 /* @todo : tentative value */ 235 236 #define bfa_fcs_lport_t struct bfa_fcs_lport_s 237 238 /* 239 * Symbolic Name related defines 240 * Total bytes 255. 241 * Physical Port's symbolic name 128 bytes. 242 * For Vports, Vport's symbolic name is appended to the Physical port's 243 * Symbolic Name. 244 * 245 * Physical Port's symbolic name Format : (Total 128 bytes) 246 * Adapter Model number/name : 12 bytes 247 * Driver Version : 10 bytes 248 * Host Machine Name : 30 bytes 249 * Host OS Info : 48 bytes 250 * Host OS PATCH Info : 16 bytes 251 * ( remaining 12 bytes reserved to be used for separator) 252 */ 253 #define BFA_FCS_PORT_SYMBNAME_SEPARATOR " | " 254 255 #define BFA_FCS_PORT_SYMBNAME_MODEL_SZ 12 256 #define BFA_FCS_PORT_SYMBNAME_VERSION_SZ 10 257 #define BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ 30 258 #define BFA_FCS_PORT_SYMBNAME_OSINFO_SZ 48 259 #define BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ 16 260 261 /* bb_scn value in 2^bb_scn */ 262 #define BFA_FCS_PORT_DEF_BB_SCN 3 263 264 /* 265 * Get FC port ID for a logical port. 266 */ 267 #define bfa_fcs_lport_get_fcid(_lport) ((_lport)->pid) 268 #define bfa_fcs_lport_get_pwwn(_lport) ((_lport)->port_cfg.pwwn) 269 #define bfa_fcs_lport_get_nwwn(_lport) ((_lport)->port_cfg.nwwn) 270 #define bfa_fcs_lport_get_psym_name(_lport) ((_lport)->port_cfg.sym_name) 271 #define bfa_fcs_lport_get_nsym_name(_lport) ((_lport)->port_cfg.node_sym_name) 272 #define bfa_fcs_lport_is_initiator(_lport) \ 273 ((_lport)->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM) 274 #define bfa_fcs_lport_get_nrports(_lport) \ 275 ((_lport) ? (_lport)->num_rports : 0) 276 277 static inline struct bfad_port_s * 278 bfa_fcs_lport_get_drvport(struct bfa_fcs_lport_s *port) 279 { 280 return port->bfad_port; 281 } 282 283 #define bfa_fcs_lport_get_opertype(_lport) ((_lport)->fabric->oper_type) 284 #define bfa_fcs_lport_get_fabric_name(_lport) ((_lport)->fabric->fabric_name) 285 #define bfa_fcs_lport_get_fabric_ipaddr(_lport) \ 286 ((_lport)->fabric->fabric_ip_addr) 287 288 /* 289 * bfa fcs port public functions 290 */ 291 292 bfa_boolean_t bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port); 293 struct bfa_fcs_lport_s *bfa_fcs_get_base_port(struct bfa_fcs_s *fcs); 294 void bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port, 295 struct bfa_rport_qualifier_s rport[], int *nrports); 296 wwn_t bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, 297 int index, int nrports, bfa_boolean_t bwwn); 298 299 struct bfa_fcs_lport_s *bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, 300 u16 vf_id, wwn_t lpwwn); 301 302 void bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port, 303 struct bfa_lport_info_s *port_info); 304 void bfa_fcs_lport_get_attr(struct bfa_fcs_lport_s *port, 305 struct bfa_lport_attr_s *port_attr); 306 void bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port, 307 struct bfa_lport_stats_s *port_stats); 308 void bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port); 309 enum bfa_port_speed bfa_fcs_lport_get_rport_max_speed( 310 struct bfa_fcs_lport_s *port); 311 312 /* MS FCS routines */ 313 void bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port); 314 void bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port); 315 void bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port); 316 void bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port); 317 318 /* FDMI FCS routines */ 319 void bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms); 320 void bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms); 321 void bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms); 322 void bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport, struct fchs_s *fchs, 323 u16 len); 324 void bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs, 325 u16 vf_id, struct bfa_fcs_vport_s *vport); 326 void bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport, 327 struct bfa_lport_cfg_s *port_cfg); 328 void bfa_fcs_lport_online(struct bfa_fcs_lport_s *port); 329 void bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port); 330 void bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port); 331 void bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port); 332 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pid( 333 struct bfa_fcs_lport_s *port, u32 pid); 334 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_old_pid( 335 struct bfa_fcs_lport_s *port, u32 pid); 336 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pwwn( 337 struct bfa_fcs_lport_s *port, wwn_t pwwn); 338 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_nwwn( 339 struct bfa_fcs_lport_s *port, wwn_t nwwn); 340 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_qualifier( 341 struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 pid); 342 void bfa_fcs_lport_add_rport(struct bfa_fcs_lport_s *port, 343 struct bfa_fcs_rport_s *rport); 344 void bfa_fcs_lport_del_rport(struct bfa_fcs_lport_s *port, 345 struct bfa_fcs_rport_s *rport); 346 void bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *vport); 347 void bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *vport); 348 void bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *vport); 349 void bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port); 350 void bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, 351 struct bfa_fcxp_s *fcxp_alloced); 352 void bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *vport); 353 void bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *vport); 354 void bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *vport); 355 void bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port, 356 struct fchs_s *rx_frame, u32 len); 357 void bfa_fcs_lport_lip_scn_online(bfa_fcs_lport_t *port); 358 359 struct bfa_fcs_vport_s { 360 struct list_head qe; /* queue elem */ 361 bfa_sm_t sm; /* state machine */ 362 bfa_fcs_lport_t lport; /* logical port */ 363 struct bfa_timer_s timer; 364 struct bfad_vport_s *vport_drv; /* Driver private */ 365 struct bfa_vport_stats_s vport_stats; /* vport statistics */ 366 struct bfa_lps_s *lps; /* Lport login service*/ 367 int fdisc_retries; 368 }; 369 370 #define bfa_fcs_vport_get_port(vport) \ 371 ((struct bfa_fcs_lport_s *)(&vport->port)) 372 373 /* 374 * bfa fcs vport public functions 375 */ 376 bfa_status_t bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, 377 struct bfa_fcs_s *fcs, u16 vf_id, 378 struct bfa_lport_cfg_s *port_cfg, 379 struct bfad_vport_s *vport_drv); 380 bfa_status_t bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, 381 struct bfa_fcs_s *fcs, u16 vf_id, 382 struct bfa_lport_cfg_s *port_cfg, 383 struct bfad_vport_s *vport_drv); 384 bfa_boolean_t bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport); 385 bfa_status_t bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport); 386 bfa_status_t bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport); 387 bfa_status_t bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport); 388 void bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport, 389 struct bfa_vport_attr_s *vport_attr); 390 struct bfa_fcs_vport_s *bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, 391 u16 vf_id, wwn_t vpwwn); 392 void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport); 393 void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport); 394 void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport); 395 void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport); 396 void bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport); 397 void bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport); 398 void bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport); 399 400 #define BFA_FCS_RPORT_DEF_DEL_TIMEOUT 90 /* in secs */ 401 #define BFA_FCS_RPORT_MAX_RETRIES (5) 402 403 /* 404 * forward declarations 405 */ 406 struct bfad_rport_s; 407 408 struct bfa_fcs_itnim_s; 409 struct bfa_fcs_tin_s; 410 struct bfa_fcs_iprp_s; 411 412 /* Rport Features (RPF) */ 413 struct bfa_fcs_rpf_s { 414 bfa_sm_t sm; /* state machine */ 415 struct bfa_fcs_rport_s *rport; /* parent rport */ 416 struct bfa_timer_s timer; /* general purpose timer */ 417 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ 418 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ 419 int rpsc_retries; /* max RPSC retry attempts */ 420 enum bfa_port_speed rpsc_speed; 421 /* Current Speed from RPSC. O if RPSC fails */ 422 enum bfa_port_speed assigned_speed; 423 /* 424 * Speed assigned by the user. will be used if RPSC is 425 * not supported by the rport. 426 */ 427 }; 428 429 struct bfa_fcs_rport_s { 430 struct list_head qe; /* used by port/vport */ 431 struct bfa_fcs_lport_s *port; /* parent FCS port */ 432 struct bfa_fcs_s *fcs; /* fcs instance */ 433 struct bfad_rport_s *rp_drv; /* driver peer instance */ 434 u32 pid; /* port ID of rport */ 435 u32 old_pid; /* PID before rport goes offline */ 436 u16 maxfrsize; /* maximum frame size */ 437 __be16 reply_oxid; /* OX_ID of inbound requests */ 438 enum fc_cos fc_cos; /* FC classes of service supp */ 439 bfa_boolean_t cisc; /* CISC capable device */ 440 bfa_boolean_t prlo; /* processing prlo or LOGO */ 441 bfa_boolean_t plogi_pending; /* Rx Plogi Pending */ 442 wwn_t pwwn; /* port wwn of rport */ 443 wwn_t nwwn; /* node wwn of rport */ 444 struct bfa_rport_symname_s psym_name; /* port symbolic name */ 445 bfa_sm_t sm; /* state machine */ 446 struct bfa_timer_s timer; /* general purpose timer */ 447 struct bfa_fcs_itnim_s *itnim; /* ITN initiator mode role */ 448 struct bfa_fcs_tin_s *tin; /* ITN initiator mode role */ 449 struct bfa_fcs_iprp_s *iprp; /* IP/FC role */ 450 struct bfa_rport_s *bfa_rport; /* BFA Rport */ 451 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ 452 int plogi_retries; /* max plogi retry attempts */ 453 int ns_retries; /* max NS query retry attempts */ 454 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ 455 struct bfa_rport_stats_s stats; /* rport stats */ 456 enum bfa_rport_function scsi_function; /* Initiator/Target */ 457 struct bfa_fcs_rpf_s rpf; /* Rport features module */ 458 bfa_boolean_t scn_online; /* SCN online flag */ 459 }; 460 461 static inline struct bfa_rport_s * 462 bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s *rport) 463 { 464 return rport->bfa_rport; 465 } 466 467 /* 468 * bfa fcs rport API functions 469 */ 470 void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, 471 struct bfa_rport_attr_s *attr); 472 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, 473 wwn_t rpwwn); 474 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn( 475 struct bfa_fcs_lport_s *port, wwn_t rnwwn); 476 void bfa_fcs_rport_set_del_timeout(u8 rport_tmo); 477 void bfa_fcs_rport_set_max_logins(u32 max_logins); 478 void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, 479 struct fchs_s *fchs, u16 len); 480 void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport); 481 482 struct bfa_fcs_rport_s *bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, 483 u32 pid); 484 void bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, 485 struct fc_logi_s *plogi_rsp); 486 void bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, 487 struct fchs_s *rx_fchs, 488 struct fc_logi_s *plogi); 489 void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, 490 struct fc_logi_s *plogi); 491 void bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id); 492 493 void bfa_fcs_rport_itntm_ack(struct bfa_fcs_rport_s *rport); 494 void bfa_fcs_rport_fcptm_offline_done(struct bfa_fcs_rport_s *rport); 495 int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport); 496 struct bfa_fcs_rport_s *bfa_fcs_rport_create_by_wwn( 497 struct bfa_fcs_lport_s *port, wwn_t wwn); 498 void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport); 499 void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport); 500 void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport); 501 502 /* 503 * forward declarations 504 */ 505 struct bfad_itnim_s; 506 507 struct bfa_fcs_itnim_s { 508 bfa_sm_t sm; /* state machine */ 509 struct bfa_fcs_rport_s *rport; /* parent remote rport */ 510 struct bfad_itnim_s *itnim_drv; /* driver peer instance */ 511 struct bfa_fcs_s *fcs; /* fcs instance */ 512 struct bfa_timer_s timer; /* timer functions */ 513 struct bfa_itnim_s *bfa_itnim; /* BFA itnim struct */ 514 u32 prli_retries; /* max prli retry attempts */ 515 bfa_boolean_t seq_rec; /* seq recovery support */ 516 bfa_boolean_t rec_support; /* REC supported */ 517 bfa_boolean_t conf_comp; /* FCP_CONF support */ 518 bfa_boolean_t task_retry_id; /* task retry id supp */ 519 struct bfa_fcxp_wqe_s fcxp_wqe; /* wait qelem for fcxp */ 520 struct bfa_fcxp_s *fcxp; /* FCXP in use */ 521 struct bfa_itnim_stats_s stats; /* itn statistics */ 522 }; 523 #define bfa_fcs_fcxp_alloc(__fcs, __req) \ 524 bfa_fcxp_req_rsp_alloc(NULL, (__fcs)->bfa, 0, 0, \ 525 NULL, NULL, NULL, NULL, __req) 526 #define bfa_fcs_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \ 527 __alloc_cbarg, __req) \ 528 bfa_fcxp_req_rsp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \ 529 __alloc_cbarg, NULL, 0, 0, NULL, NULL, NULL, NULL, __req) 530 531 static inline struct bfad_port_s * 532 bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s *itnim) 533 { 534 return itnim->rport->port->bfad_port; 535 } 536 537 538 static inline struct bfa_fcs_lport_s * 539 bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s *itnim) 540 { 541 return itnim->rport->port; 542 } 543 544 545 static inline wwn_t 546 bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s *itnim) 547 { 548 return itnim->rport->nwwn; 549 } 550 551 552 static inline wwn_t 553 bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s *itnim) 554 { 555 return itnim->rport->pwwn; 556 } 557 558 559 static inline u32 560 bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s *itnim) 561 { 562 return itnim->rport->pid; 563 } 564 565 566 static inline u32 567 bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s *itnim) 568 { 569 return itnim->rport->maxfrsize; 570 } 571 572 573 static inline enum fc_cos 574 bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s *itnim) 575 { 576 return itnim->rport->fc_cos; 577 } 578 579 580 static inline struct bfad_itnim_s * 581 bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s *itnim) 582 { 583 return itnim->itnim_drv; 584 } 585 586 587 static inline struct bfa_itnim_s * 588 bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s *itnim) 589 { 590 return itnim->bfa_itnim; 591 } 592 593 /* 594 * bfa fcs FCP Initiator mode API functions 595 */ 596 void bfa_fcs_itnim_get_attr(struct bfa_fcs_itnim_s *itnim, 597 struct bfa_itnim_attr_s *attr); 598 void bfa_fcs_itnim_get_stats(struct bfa_fcs_itnim_s *itnim, 599 struct bfa_itnim_stats_s *stats); 600 struct bfa_fcs_itnim_s *bfa_fcs_itnim_lookup(struct bfa_fcs_lport_s *port, 601 wwn_t rpwwn); 602 bfa_status_t bfa_fcs_itnim_attr_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, 603 struct bfa_itnim_attr_s *attr); 604 bfa_status_t bfa_fcs_itnim_stats_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, 605 struct bfa_itnim_stats_s *stats); 606 bfa_status_t bfa_fcs_itnim_stats_clear(struct bfa_fcs_lport_s *port, 607 wwn_t rpwwn); 608 struct bfa_fcs_itnim_s *bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport); 609 void bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim); 610 void bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim); 611 void bfa_fcs_itnim_brp_online(struct bfa_fcs_itnim_s *itnim); 612 bfa_status_t bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim); 613 void bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim); 614 void bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim, 615 struct fchs_s *fchs, u16 len); 616 617 #define BFA_FCS_FDMI_SUPP_SPEEDS_4G (FDMI_TRANS_SPEED_1G | \ 618 FDMI_TRANS_SPEED_2G | \ 619 FDMI_TRANS_SPEED_4G) 620 621 #define BFA_FCS_FDMI_SUPP_SPEEDS_8G (FDMI_TRANS_SPEED_1G | \ 622 FDMI_TRANS_SPEED_2G | \ 623 FDMI_TRANS_SPEED_4G | \ 624 FDMI_TRANS_SPEED_8G) 625 626 #define BFA_FCS_FDMI_SUPP_SPEEDS_16G (FDMI_TRANS_SPEED_2G | \ 627 FDMI_TRANS_SPEED_4G | \ 628 FDMI_TRANS_SPEED_8G | \ 629 FDMI_TRANS_SPEED_16G) 630 631 #define BFA_FCS_FDMI_SUPP_SPEEDS_10G FDMI_TRANS_SPEED_10G 632 633 /* 634 * HBA Attribute Block : BFA internal representation. Note : Some variable 635 * sizes have been trimmed to suit BFA For Ex : Model will be "Brocade". Based 636 * on this the size has been reduced to 16 bytes from the standard's 64 bytes. 637 */ 638 struct bfa_fcs_fdmi_hba_attr_s { 639 wwn_t node_name; 640 u8 manufacturer[64]; 641 u8 serial_num[64]; 642 u8 model[16]; 643 u8 model_desc[256]; 644 u8 hw_version[8]; 645 u8 driver_version[BFA_VERSION_LEN]; 646 u8 option_rom_ver[BFA_VERSION_LEN]; 647 u8 fw_version[BFA_VERSION_LEN]; 648 u8 os_name[256]; 649 __be32 max_ct_pyld; 650 }; 651 652 /* 653 * Port Attribute Block 654 */ 655 struct bfa_fcs_fdmi_port_attr_s { 656 u8 supp_fc4_types[32]; /* supported FC4 types */ 657 __be32 supp_speed; /* supported speed */ 658 __be32 curr_speed; /* current Speed */ 659 __be32 max_frm_size; /* max frame size */ 660 u8 os_device_name[256]; /* OS device Name */ 661 u8 host_name[256]; /* host name */ 662 }; 663 664 struct bfa_fcs_stats_s { 665 struct { 666 u32 untagged; /* untagged receive frames */ 667 u32 tagged; /* tagged receive frames */ 668 u32 vfid_unknown; /* VF id is unknown */ 669 } uf; 670 }; 671 672 struct bfa_fcs_driver_info_s { 673 u8 version[BFA_VERSION_LEN]; /* Driver Version */ 674 u8 host_machine_name[BFA_FCS_OS_STR_LEN]; 675 u8 host_os_name[BFA_FCS_OS_STR_LEN]; /* OS name and version */ 676 u8 host_os_patch[BFA_FCS_OS_STR_LEN]; /* patch or service pack */ 677 u8 os_device_name[BFA_FCS_OS_STR_LEN]; /* Driver Device Name */ 678 }; 679 680 struct bfa_fcs_s { 681 struct bfa_s *bfa; /* corresponding BFA bfa instance */ 682 struct bfad_s *bfad; /* corresponding BDA driver instance */ 683 struct bfa_trc_mod_s *trcmod; /* tracing module */ 684 bfa_boolean_t vf_enabled; /* VF mode is enabled */ 685 bfa_boolean_t fdmi_enabled; /* FDMI is enabled */ 686 bfa_boolean_t bbscn_enabled; /* Driver Config Parameter */ 687 bfa_boolean_t bbscn_flogi_rjt;/* FLOGI reject due to BB_SCN */ 688 bfa_boolean_t min_cfg; /* min cfg enabled/disabled */ 689 u16 port_vfid; /* port default VF ID */ 690 struct bfa_fcs_driver_info_s driver_info; 691 struct bfa_fcs_fabric_s fabric; /* base fabric state machine */ 692 struct bfa_fcs_stats_s stats; /* FCS statistics */ 693 struct bfa_wc_s wc; /* waiting counter */ 694 int fcs_aen_seq; 695 u32 num_rport_logins; 696 }; 697 698 /* 699 * fcs_fabric_sm fabric state machine functions 700 */ 701 702 /* 703 * Fabric state machine events 704 */ 705 enum bfa_fcs_fabric_event { 706 BFA_FCS_FABRIC_SM_CREATE = 1, /* create from driver */ 707 BFA_FCS_FABRIC_SM_DELETE = 2, /* delete from driver */ 708 BFA_FCS_FABRIC_SM_LINK_DOWN = 3, /* link down from port */ 709 BFA_FCS_FABRIC_SM_LINK_UP = 4, /* link up from port */ 710 BFA_FCS_FABRIC_SM_CONT_OP = 5, /* flogi/auth continue op */ 711 BFA_FCS_FABRIC_SM_RETRY_OP = 6, /* flogi/auth retry op */ 712 BFA_FCS_FABRIC_SM_NO_FABRIC = 7, /* from flogi/auth */ 713 BFA_FCS_FABRIC_SM_PERF_EVFP = 8, /* from flogi/auth */ 714 BFA_FCS_FABRIC_SM_ISOLATE = 9, /* from EVFP processing */ 715 BFA_FCS_FABRIC_SM_NO_TAGGING = 10, /* no VFT tagging from EVFP */ 716 BFA_FCS_FABRIC_SM_DELAYED = 11, /* timeout delay event */ 717 BFA_FCS_FABRIC_SM_AUTH_FAILED = 12, /* auth failed */ 718 BFA_FCS_FABRIC_SM_AUTH_SUCCESS = 13, /* auth successful */ 719 BFA_FCS_FABRIC_SM_DELCOMP = 14, /* all vports deleted event */ 720 BFA_FCS_FABRIC_SM_LOOPBACK = 15, /* Received our own FLOGI */ 721 BFA_FCS_FABRIC_SM_START = 16, /* from driver */ 722 BFA_FCS_FABRIC_SM_STOP = 17, /* Stop from driver */ 723 BFA_FCS_FABRIC_SM_STOPCOMP = 18, /* Stop completion */ 724 BFA_FCS_FABRIC_SM_LOGOCOMP = 19, /* FLOGO completion */ 725 }; 726 727 /* 728 * fcs_rport_sm FCS rport state machine events 729 */ 730 731 enum rport_event { 732 RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ 733 RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ 734 RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ 735 RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ 736 RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ 737 RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ 738 RPSM_EVENT_DELETE = 7, /* RPORT delete request */ 739 RPSM_EVENT_FAB_SCN = 8, /* state change notification */ 740 RPSM_EVENT_ACCEPTED = 9, /* Good response from remote device */ 741 RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ 742 RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ 743 RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ 744 RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ 745 RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ 746 RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ 747 RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */ 748 RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */ 749 RPSM_EVENT_PLOGI_RETRY = 18, /* Retry PLOGI continuously */ 750 RPSM_EVENT_SCN_OFFLINE = 19, /* loop scn offline */ 751 RPSM_EVENT_SCN_ONLINE = 20, /* loop scn online */ 752 RPSM_EVENT_FC4_FCS_ONLINE = 21, /* FC-4 FCS online complete */ 753 }; 754 755 /* 756 * fcs_itnim_sm FCS itnim state machine events 757 */ 758 enum bfa_fcs_itnim_event { 759 BFA_FCS_ITNIM_SM_FCS_ONLINE = 1, /* rport online event */ 760 BFA_FCS_ITNIM_SM_OFFLINE = 2, /* rport offline */ 761 BFA_FCS_ITNIM_SM_FRMSENT = 3, /* prli frame is sent */ 762 BFA_FCS_ITNIM_SM_RSP_OK = 4, /* good response */ 763 BFA_FCS_ITNIM_SM_RSP_ERROR = 5, /* error response */ 764 BFA_FCS_ITNIM_SM_TIMEOUT = 6, /* delay timeout */ 765 BFA_FCS_ITNIM_SM_HCB_OFFLINE = 7, /* BFA online callback */ 766 BFA_FCS_ITNIM_SM_HCB_ONLINE = 8, /* BFA offline callback */ 767 BFA_FCS_ITNIM_SM_INITIATOR = 9, /* rport is initiator */ 768 BFA_FCS_ITNIM_SM_DELETE = 10, /* delete event from rport */ 769 BFA_FCS_ITNIM_SM_PRLO = 11, /* delete event from rport */ 770 BFA_FCS_ITNIM_SM_RSP_NOT_SUPP = 12, /* cmd not supported rsp */ 771 BFA_FCS_ITNIM_SM_HAL_ONLINE = 13, /* bfa rport online event */ 772 }; 773 774 /* 775 * bfa fcs API functions 776 */ 777 void bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, 778 struct bfad_s *bfad, 779 bfa_boolean_t min_cfg); 780 void bfa_fcs_init(struct bfa_fcs_s *fcs); 781 void bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs); 782 void bfa_fcs_update_cfg(struct bfa_fcs_s *fcs); 783 void bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, 784 struct bfa_fcs_driver_info_s *driver_info); 785 void bfa_fcs_exit(struct bfa_fcs_s *fcs); 786 void bfa_fcs_stop(struct bfa_fcs_s *fcs); 787 788 /* 789 * bfa fcs vf public functions 790 */ 791 bfa_fcs_vf_t *bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id); 792 void bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t vpwwn[], int *nports); 793 794 /* 795 * fabric protected interface functions 796 */ 797 void bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs); 798 void bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs); 799 void bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs); 800 void bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric); 801 void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric); 802 void bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, 803 struct bfa_fcs_vport_s *vport); 804 void bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, 805 struct bfa_fcs_vport_s *vport); 806 struct bfa_fcs_vport_s *bfa_fcs_fabric_vport_lookup( 807 struct bfa_fcs_fabric_s *fabric, wwn_t pwwn); 808 void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs); 809 void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, 810 struct fchs_s *fchs, u16 len); 811 void bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric); 812 void bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric); 813 void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, 814 wwn_t fabric_name); 815 u16 bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric); 816 void bfa_fcs_uf_attach(struct bfa_fcs_s *fcs); 817 void bfa_fcs_port_attach(struct bfa_fcs_s *fcs); 818 void bfa_fcs_fabric_modstop(struct bfa_fcs_s *fcs); 819 void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, 820 enum bfa_fcs_fabric_event event); 821 void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, 822 enum bfa_fcs_fabric_event event); 823 void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, 824 enum bfa_fcs_fabric_event event); 825 826 /* 827 * BFA FCS callback interfaces 828 */ 829 830 /* 831 * fcb Main fcs callbacks 832 */ 833 834 struct bfad_port_s; 835 struct bfad_vf_s; 836 struct bfad_vport_s; 837 struct bfad_rport_s; 838 839 /* 840 * lport callbacks 841 */ 842 struct bfad_port_s *bfa_fcb_lport_new(struct bfad_s *bfad, 843 struct bfa_fcs_lport_s *port, 844 enum bfa_lport_role roles, 845 struct bfad_vf_s *vf_drv, 846 struct bfad_vport_s *vp_drv); 847 848 /* 849 * vport callbacks 850 */ 851 void bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s); 852 853 /* 854 * rport callbacks 855 */ 856 bfa_status_t bfa_fcb_rport_alloc(struct bfad_s *bfad, 857 struct bfa_fcs_rport_s **rport, 858 struct bfad_rport_s **rport_drv); 859 860 /* 861 * itnim callbacks 862 */ 863 void bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim, 864 struct bfad_itnim_s **itnim_drv); 865 void bfa_fcb_itnim_free(struct bfad_s *bfad, 866 struct bfad_itnim_s *itnim_drv); 867 void bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv); 868 void bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv); 869 870 #endif /* __BFA_FCS_H__ */ 871