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 : 16 bytes 247 * Driver Version : 10 bytes 248 * Host Machine Name : 30 bytes 249 * Host OS Info : 44 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 16 256 #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 44 259 #define BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ 16 260 261 /* 262 * Get FC port ID for a logical port. 263 */ 264 #define bfa_fcs_lport_get_fcid(_lport) ((_lport)->pid) 265 #define bfa_fcs_lport_get_pwwn(_lport) ((_lport)->port_cfg.pwwn) 266 #define bfa_fcs_lport_get_nwwn(_lport) ((_lport)->port_cfg.nwwn) 267 #define bfa_fcs_lport_get_psym_name(_lport) ((_lport)->port_cfg.sym_name) 268 #define bfa_fcs_lport_get_nsym_name(_lport) ((_lport)->port_cfg.node_sym_name) 269 #define bfa_fcs_lport_is_initiator(_lport) \ 270 ((_lport)->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM) 271 #define bfa_fcs_lport_get_nrports(_lport) \ 272 ((_lport) ? (_lport)->num_rports : 0) 273 274 static inline struct bfad_port_s * 275 bfa_fcs_lport_get_drvport(struct bfa_fcs_lport_s *port) 276 { 277 return port->bfad_port; 278 } 279 280 #define bfa_fcs_lport_get_opertype(_lport) ((_lport)->fabric->oper_type) 281 #define bfa_fcs_lport_get_fabric_name(_lport) ((_lport)->fabric->fabric_name) 282 #define bfa_fcs_lport_get_fabric_ipaddr(_lport) \ 283 ((_lport)->fabric->fabric_ip_addr) 284 285 /* 286 * bfa fcs port public functions 287 */ 288 289 bfa_boolean_t bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port); 290 struct bfa_fcs_lport_s *bfa_fcs_get_base_port(struct bfa_fcs_s *fcs); 291 void bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port, 292 struct bfa_rport_qualifier_s rport[], int *nrports); 293 wwn_t bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, 294 int index, int nrports, bfa_boolean_t bwwn); 295 296 struct bfa_fcs_lport_s *bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, 297 u16 vf_id, wwn_t lpwwn); 298 299 void bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port, char *symname); 300 void bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port, 301 struct bfa_lport_info_s *port_info); 302 void bfa_fcs_lport_get_attr(struct bfa_fcs_lport_s *port, 303 struct bfa_lport_attr_s *port_attr); 304 void bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port, 305 struct bfa_lport_stats_s *port_stats); 306 void bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port); 307 enum bfa_port_speed bfa_fcs_lport_get_rport_max_speed( 308 struct bfa_fcs_lport_s *port); 309 310 /* MS FCS routines */ 311 void bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port); 312 void bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port); 313 void bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port); 314 void bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port); 315 316 /* FDMI FCS routines */ 317 void bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms); 318 void bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms); 319 void bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms); 320 void bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport, struct fchs_s *fchs, 321 u16 len); 322 void bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs, 323 u16 vf_id, struct bfa_fcs_vport_s *vport); 324 void bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport, 325 struct bfa_lport_cfg_s *port_cfg); 326 void bfa_fcs_lport_online(struct bfa_fcs_lport_s *port); 327 void bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port); 328 void bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port); 329 void bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port); 330 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pid( 331 struct bfa_fcs_lport_s *port, u32 pid); 332 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_old_pid( 333 struct bfa_fcs_lport_s *port, u32 pid); 334 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pwwn( 335 struct bfa_fcs_lport_s *port, wwn_t pwwn); 336 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_nwwn( 337 struct bfa_fcs_lport_s *port, wwn_t nwwn); 338 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_qualifier( 339 struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 pid); 340 void bfa_fcs_lport_add_rport(struct bfa_fcs_lport_s *port, 341 struct bfa_fcs_rport_s *rport); 342 void bfa_fcs_lport_del_rport(struct bfa_fcs_lport_s *port, 343 struct bfa_fcs_rport_s *rport); 344 void bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *vport); 345 void bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *vport); 346 void bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *vport); 347 void bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port); 348 void bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, 349 struct bfa_fcxp_s *fcxp_alloced); 350 void bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *vport); 351 void bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *vport); 352 void bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *vport); 353 void bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port, 354 struct fchs_s *rx_frame, u32 len); 355 void bfa_fcs_lport_lip_scn_online(bfa_fcs_lport_t *port); 356 357 struct bfa_fcs_vport_s { 358 struct list_head qe; /* queue elem */ 359 bfa_sm_t sm; /* state machine */ 360 bfa_fcs_lport_t lport; /* logical port */ 361 struct bfa_timer_s timer; 362 struct bfad_vport_s *vport_drv; /* Driver private */ 363 struct bfa_vport_stats_s vport_stats; /* vport statistics */ 364 struct bfa_lps_s *lps; /* Lport login service*/ 365 int fdisc_retries; 366 }; 367 368 #define bfa_fcs_vport_get_port(vport) \ 369 ((struct bfa_fcs_lport_s *)(&vport->port)) 370 371 /* 372 * bfa fcs vport public functions 373 */ 374 bfa_status_t bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, 375 struct bfa_fcs_s *fcs, u16 vf_id, 376 struct bfa_lport_cfg_s *port_cfg, 377 struct bfad_vport_s *vport_drv); 378 bfa_status_t bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, 379 struct bfa_fcs_s *fcs, u16 vf_id, 380 struct bfa_lport_cfg_s *port_cfg, 381 struct bfad_vport_s *vport_drv); 382 bfa_boolean_t bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport); 383 bfa_status_t bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport); 384 bfa_status_t bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport); 385 bfa_status_t bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport); 386 void bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport, 387 struct bfa_vport_attr_s *vport_attr); 388 struct bfa_fcs_vport_s *bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, 389 u16 vf_id, wwn_t vpwwn); 390 void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport); 391 void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport); 392 void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport); 393 void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport); 394 void bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport); 395 void bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport); 396 void bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport); 397 398 #define BFA_FCS_RPORT_DEF_DEL_TIMEOUT 90 /* in secs */ 399 #define BFA_FCS_RPORT_MAX_RETRIES (5) 400 401 /* 402 * forward declarations 403 */ 404 struct bfad_rport_s; 405 406 struct bfa_fcs_itnim_s; 407 struct bfa_fcs_tin_s; 408 struct bfa_fcs_iprp_s; 409 410 /* Rport Features (RPF) */ 411 struct bfa_fcs_rpf_s { 412 bfa_sm_t sm; /* state machine */ 413 struct bfa_fcs_rport_s *rport; /* parent rport */ 414 struct bfa_timer_s timer; /* general purpose timer */ 415 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ 416 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ 417 int rpsc_retries; /* max RPSC retry attempts */ 418 enum bfa_port_speed rpsc_speed; 419 /* Current Speed from RPSC. O if RPSC fails */ 420 enum bfa_port_speed assigned_speed; 421 /* 422 * Speed assigned by the user. will be used if RPSC is 423 * not supported by the rport. 424 */ 425 }; 426 427 struct bfa_fcs_rport_s { 428 struct list_head qe; /* used by port/vport */ 429 struct bfa_fcs_lport_s *port; /* parent FCS port */ 430 struct bfa_fcs_s *fcs; /* fcs instance */ 431 struct bfad_rport_s *rp_drv; /* driver peer instance */ 432 u32 pid; /* port ID of rport */ 433 u32 old_pid; /* PID before rport goes offline */ 434 u16 maxfrsize; /* maximum frame size */ 435 __be16 reply_oxid; /* OX_ID of inbound requests */ 436 enum fc_cos fc_cos; /* FC classes of service supp */ 437 bfa_boolean_t cisc; /* CISC capable device */ 438 bfa_boolean_t prlo; /* processing prlo or LOGO */ 439 bfa_boolean_t plogi_pending; /* Rx Plogi Pending */ 440 wwn_t pwwn; /* port wwn of rport */ 441 wwn_t nwwn; /* node wwn of rport */ 442 struct bfa_rport_symname_s psym_name; /* port symbolic name */ 443 bfa_sm_t sm; /* state machine */ 444 struct bfa_timer_s timer; /* general purpose timer */ 445 struct bfa_fcs_itnim_s *itnim; /* ITN initiator mode role */ 446 struct bfa_fcs_tin_s *tin; /* ITN initiator mode role */ 447 struct bfa_fcs_iprp_s *iprp; /* IP/FC role */ 448 struct bfa_rport_s *bfa_rport; /* BFA Rport */ 449 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ 450 int plogi_retries; /* max plogi retry attempts */ 451 int ns_retries; /* max NS query retry attempts */ 452 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ 453 struct bfa_rport_stats_s stats; /* rport stats */ 454 enum bfa_rport_function scsi_function; /* Initiator/Target */ 455 struct bfa_fcs_rpf_s rpf; /* Rport features module */ 456 bfa_boolean_t scn_online; /* SCN online flag */ 457 }; 458 459 static inline struct bfa_rport_s * 460 bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s *rport) 461 { 462 return rport->bfa_rport; 463 } 464 465 /* 466 * bfa fcs rport API functions 467 */ 468 void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, 469 struct bfa_rport_attr_s *attr); 470 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, 471 wwn_t rpwwn); 472 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn( 473 struct bfa_fcs_lport_s *port, wwn_t rnwwn); 474 void bfa_fcs_rport_set_del_timeout(u8 rport_tmo); 475 void bfa_fcs_rport_set_max_logins(u32 max_logins); 476 void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, 477 struct fchs_s *fchs, u16 len); 478 void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport); 479 480 struct bfa_fcs_rport_s *bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, 481 u32 pid); 482 void bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, 483 struct fc_logi_s *plogi_rsp); 484 void bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, 485 struct fchs_s *rx_fchs, 486 struct fc_logi_s *plogi); 487 void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, 488 struct fc_logi_s *plogi); 489 void bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id); 490 491 void bfa_fcs_rport_itntm_ack(struct bfa_fcs_rport_s *rport); 492 void bfa_fcs_rport_fcptm_offline_done(struct bfa_fcs_rport_s *rport); 493 int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport); 494 struct bfa_fcs_rport_s *bfa_fcs_rport_create_by_wwn( 495 struct bfa_fcs_lport_s *port, wwn_t wwn); 496 void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport); 497 void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport); 498 void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport); 499 500 /* 501 * forward declarations 502 */ 503 struct bfad_itnim_s; 504 505 struct bfa_fcs_itnim_s { 506 bfa_sm_t sm; /* state machine */ 507 struct bfa_fcs_rport_s *rport; /* parent remote rport */ 508 struct bfad_itnim_s *itnim_drv; /* driver peer instance */ 509 struct bfa_fcs_s *fcs; /* fcs instance */ 510 struct bfa_timer_s timer; /* timer functions */ 511 struct bfa_itnim_s *bfa_itnim; /* BFA itnim struct */ 512 u32 prli_retries; /* max prli retry attempts */ 513 bfa_boolean_t seq_rec; /* seq recovery support */ 514 bfa_boolean_t rec_support; /* REC supported */ 515 bfa_boolean_t conf_comp; /* FCP_CONF support */ 516 bfa_boolean_t task_retry_id; /* task retry id supp */ 517 struct bfa_fcxp_wqe_s fcxp_wqe; /* wait qelem for fcxp */ 518 struct bfa_fcxp_s *fcxp; /* FCXP in use */ 519 struct bfa_itnim_stats_s stats; /* itn statistics */ 520 }; 521 #define bfa_fcs_fcxp_alloc(__fcs, __req) \ 522 bfa_fcxp_req_rsp_alloc(NULL, (__fcs)->bfa, 0, 0, \ 523 NULL, NULL, NULL, NULL, __req) 524 #define bfa_fcs_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \ 525 __alloc_cbarg, __req) \ 526 bfa_fcxp_req_rsp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \ 527 __alloc_cbarg, NULL, 0, 0, NULL, NULL, NULL, NULL, __req) 528 529 static inline struct bfad_port_s * 530 bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s *itnim) 531 { 532 return itnim->rport->port->bfad_port; 533 } 534 535 536 static inline struct bfa_fcs_lport_s * 537 bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s *itnim) 538 { 539 return itnim->rport->port; 540 } 541 542 543 static inline wwn_t 544 bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s *itnim) 545 { 546 return itnim->rport->nwwn; 547 } 548 549 550 static inline wwn_t 551 bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s *itnim) 552 { 553 return itnim->rport->pwwn; 554 } 555 556 557 static inline u32 558 bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s *itnim) 559 { 560 return itnim->rport->pid; 561 } 562 563 564 static inline u32 565 bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s *itnim) 566 { 567 return itnim->rport->maxfrsize; 568 } 569 570 571 static inline enum fc_cos 572 bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s *itnim) 573 { 574 return itnim->rport->fc_cos; 575 } 576 577 578 static inline struct bfad_itnim_s * 579 bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s *itnim) 580 { 581 return itnim->itnim_drv; 582 } 583 584 585 static inline struct bfa_itnim_s * 586 bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s *itnim) 587 { 588 return itnim->bfa_itnim; 589 } 590 591 /* 592 * bfa fcs FCP Initiator mode API functions 593 */ 594 void bfa_fcs_itnim_get_attr(struct bfa_fcs_itnim_s *itnim, 595 struct bfa_itnim_attr_s *attr); 596 void bfa_fcs_itnim_get_stats(struct bfa_fcs_itnim_s *itnim, 597 struct bfa_itnim_stats_s *stats); 598 struct bfa_fcs_itnim_s *bfa_fcs_itnim_lookup(struct bfa_fcs_lport_s *port, 599 wwn_t rpwwn); 600 bfa_status_t bfa_fcs_itnim_attr_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, 601 struct bfa_itnim_attr_s *attr); 602 bfa_status_t bfa_fcs_itnim_stats_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, 603 struct bfa_itnim_stats_s *stats); 604 bfa_status_t bfa_fcs_itnim_stats_clear(struct bfa_fcs_lport_s *port, 605 wwn_t rpwwn); 606 struct bfa_fcs_itnim_s *bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport); 607 void bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim); 608 void bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim); 609 void bfa_fcs_itnim_brp_online(struct bfa_fcs_itnim_s *itnim); 610 bfa_status_t bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim); 611 void bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim); 612 void bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim, 613 struct fchs_s *fchs, u16 len); 614 615 #define BFA_FCS_FDMI_SUPP_SPEEDS_4G (FDMI_TRANS_SPEED_1G | \ 616 FDMI_TRANS_SPEED_2G | \ 617 FDMI_TRANS_SPEED_4G) 618 619 #define BFA_FCS_FDMI_SUPP_SPEEDS_8G (FDMI_TRANS_SPEED_1G | \ 620 FDMI_TRANS_SPEED_2G | \ 621 FDMI_TRANS_SPEED_4G | \ 622 FDMI_TRANS_SPEED_8G) 623 624 #define BFA_FCS_FDMI_SUPP_SPEEDS_16G (FDMI_TRANS_SPEED_2G | \ 625 FDMI_TRANS_SPEED_4G | \ 626 FDMI_TRANS_SPEED_8G | \ 627 FDMI_TRANS_SPEED_16G) 628 629 #define BFA_FCS_FDMI_SUPP_SPEEDS_10G FDMI_TRANS_SPEED_10G 630 631 #define BFA_FCS_FDMI_VENDOR_INFO_LEN 8 632 #define BFA_FCS_FDMI_FC4_TYPE_LEN 32 633 634 /* 635 * HBA Attribute Block : BFA internal representation. Note : Some variable 636 * sizes have been trimmed to suit BFA For Ex : Model will be "Brocade". Based 637 * on this the size has been reduced to 16 bytes from the standard's 64 bytes. 638 */ 639 struct bfa_fcs_fdmi_hba_attr_s { 640 wwn_t node_name; 641 u8 manufacturer[64]; 642 u8 serial_num[64]; 643 u8 model[16]; 644 u8 model_desc[128]; 645 u8 hw_version[8]; 646 u8 driver_version[BFA_VERSION_LEN]; 647 u8 option_rom_ver[BFA_VERSION_LEN]; 648 u8 fw_version[BFA_VERSION_LEN]; 649 u8 os_name[256]; 650 __be32 max_ct_pyld; 651 struct bfa_lport_symname_s node_sym_name; 652 u8 vendor_info[BFA_FCS_FDMI_VENDOR_INFO_LEN]; 653 __be32 num_ports; 654 wwn_t fabric_name; 655 u8 bios_ver[BFA_VERSION_LEN]; 656 }; 657 658 /* 659 * Port Attribute Block 660 */ 661 struct bfa_fcs_fdmi_port_attr_s { 662 u8 supp_fc4_types[BFA_FCS_FDMI_FC4_TYPE_LEN]; 663 __be32 supp_speed; /* supported speed */ 664 __be32 curr_speed; /* current Speed */ 665 __be32 max_frm_size; /* max frame size */ 666 u8 os_device_name[256]; /* OS device Name */ 667 u8 host_name[256]; /* host name */ 668 wwn_t port_name; 669 wwn_t node_name; 670 struct bfa_lport_symname_s port_sym_name; 671 __be32 port_type; 672 enum fc_cos scos; 673 wwn_t port_fabric_name; 674 u8 port_act_fc4_type[BFA_FCS_FDMI_FC4_TYPE_LEN]; 675 __be32 port_state; 676 __be32 num_ports; 677 }; 678 679 struct bfa_fcs_stats_s { 680 struct { 681 u32 untagged; /* untagged receive frames */ 682 u32 tagged; /* tagged receive frames */ 683 u32 vfid_unknown; /* VF id is unknown */ 684 } uf; 685 }; 686 687 struct bfa_fcs_driver_info_s { 688 u8 version[BFA_VERSION_LEN]; /* Driver Version */ 689 u8 host_machine_name[BFA_FCS_OS_STR_LEN]; 690 u8 host_os_name[BFA_FCS_OS_STR_LEN]; /* OS name and version */ 691 u8 host_os_patch[BFA_FCS_OS_STR_LEN]; /* patch or service pack */ 692 u8 os_device_name[BFA_FCS_OS_STR_LEN]; /* Driver Device Name */ 693 }; 694 695 struct bfa_fcs_s { 696 struct bfa_s *bfa; /* corresponding BFA bfa instance */ 697 struct bfad_s *bfad; /* corresponding BDA driver instance */ 698 struct bfa_trc_mod_s *trcmod; /* tracing module */ 699 bfa_boolean_t vf_enabled; /* VF mode is enabled */ 700 bfa_boolean_t fdmi_enabled; /* FDMI is enabled */ 701 bfa_boolean_t min_cfg; /* min cfg enabled/disabled */ 702 u16 port_vfid; /* port default VF ID */ 703 struct bfa_fcs_driver_info_s driver_info; 704 struct bfa_fcs_fabric_s fabric; /* base fabric state machine */ 705 struct bfa_fcs_stats_s stats; /* FCS statistics */ 706 struct bfa_wc_s wc; /* waiting counter */ 707 int fcs_aen_seq; 708 u32 num_rport_logins; 709 }; 710 711 /* 712 * fcs_fabric_sm fabric state machine functions 713 */ 714 715 /* 716 * Fabric state machine events 717 */ 718 enum bfa_fcs_fabric_event { 719 BFA_FCS_FABRIC_SM_CREATE = 1, /* create from driver */ 720 BFA_FCS_FABRIC_SM_DELETE = 2, /* delete from driver */ 721 BFA_FCS_FABRIC_SM_LINK_DOWN = 3, /* link down from port */ 722 BFA_FCS_FABRIC_SM_LINK_UP = 4, /* link up from port */ 723 BFA_FCS_FABRIC_SM_CONT_OP = 5, /* flogi/auth continue op */ 724 BFA_FCS_FABRIC_SM_RETRY_OP = 6, /* flogi/auth retry op */ 725 BFA_FCS_FABRIC_SM_NO_FABRIC = 7, /* from flogi/auth */ 726 BFA_FCS_FABRIC_SM_PERF_EVFP = 8, /* from flogi/auth */ 727 BFA_FCS_FABRIC_SM_ISOLATE = 9, /* from EVFP processing */ 728 BFA_FCS_FABRIC_SM_NO_TAGGING = 10, /* no VFT tagging from EVFP */ 729 BFA_FCS_FABRIC_SM_DELAYED = 11, /* timeout delay event */ 730 BFA_FCS_FABRIC_SM_AUTH_FAILED = 12, /* auth failed */ 731 BFA_FCS_FABRIC_SM_AUTH_SUCCESS = 13, /* auth successful */ 732 BFA_FCS_FABRIC_SM_DELCOMP = 14, /* all vports deleted event */ 733 BFA_FCS_FABRIC_SM_LOOPBACK = 15, /* Received our own FLOGI */ 734 BFA_FCS_FABRIC_SM_START = 16, /* from driver */ 735 BFA_FCS_FABRIC_SM_STOP = 17, /* Stop from driver */ 736 BFA_FCS_FABRIC_SM_STOPCOMP = 18, /* Stop completion */ 737 BFA_FCS_FABRIC_SM_LOGOCOMP = 19, /* FLOGO completion */ 738 }; 739 740 /* 741 * fcs_rport_sm FCS rport state machine events 742 */ 743 744 enum rport_event { 745 RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ 746 RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ 747 RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ 748 RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ 749 RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ 750 RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ 751 RPSM_EVENT_DELETE = 7, /* RPORT delete request */ 752 RPSM_EVENT_FAB_SCN = 8, /* state change notification */ 753 RPSM_EVENT_ACCEPTED = 9, /* Good response from remote device */ 754 RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ 755 RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ 756 RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ 757 RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ 758 RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ 759 RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ 760 RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */ 761 RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */ 762 RPSM_EVENT_PLOGI_RETRY = 18, /* Retry PLOGI continuously */ 763 RPSM_EVENT_SCN_OFFLINE = 19, /* loop scn offline */ 764 RPSM_EVENT_SCN_ONLINE = 20, /* loop scn online */ 765 RPSM_EVENT_FC4_FCS_ONLINE = 21, /* FC-4 FCS online complete */ 766 }; 767 768 /* 769 * fcs_itnim_sm FCS itnim state machine events 770 */ 771 enum bfa_fcs_itnim_event { 772 BFA_FCS_ITNIM_SM_FCS_ONLINE = 1, /* rport online event */ 773 BFA_FCS_ITNIM_SM_OFFLINE = 2, /* rport offline */ 774 BFA_FCS_ITNIM_SM_FRMSENT = 3, /* prli frame is sent */ 775 BFA_FCS_ITNIM_SM_RSP_OK = 4, /* good response */ 776 BFA_FCS_ITNIM_SM_RSP_ERROR = 5, /* error response */ 777 BFA_FCS_ITNIM_SM_TIMEOUT = 6, /* delay timeout */ 778 BFA_FCS_ITNIM_SM_HCB_OFFLINE = 7, /* BFA online callback */ 779 BFA_FCS_ITNIM_SM_HCB_ONLINE = 8, /* BFA offline callback */ 780 BFA_FCS_ITNIM_SM_INITIATOR = 9, /* rport is initiator */ 781 BFA_FCS_ITNIM_SM_DELETE = 10, /* delete event from rport */ 782 BFA_FCS_ITNIM_SM_PRLO = 11, /* delete event from rport */ 783 BFA_FCS_ITNIM_SM_RSP_NOT_SUPP = 12, /* cmd not supported rsp */ 784 BFA_FCS_ITNIM_SM_HAL_ONLINE = 13, /* bfa rport online event */ 785 }; 786 787 /* 788 * bfa fcs API functions 789 */ 790 void bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, 791 struct bfad_s *bfad, 792 bfa_boolean_t min_cfg); 793 void bfa_fcs_init(struct bfa_fcs_s *fcs); 794 void bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs); 795 void bfa_fcs_update_cfg(struct bfa_fcs_s *fcs); 796 void bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, 797 struct bfa_fcs_driver_info_s *driver_info); 798 void bfa_fcs_exit(struct bfa_fcs_s *fcs); 799 void bfa_fcs_stop(struct bfa_fcs_s *fcs); 800 801 /* 802 * bfa fcs vf public functions 803 */ 804 bfa_fcs_vf_t *bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id); 805 void bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t vpwwn[], int *nports); 806 807 /* 808 * fabric protected interface functions 809 */ 810 void bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs); 811 void bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs); 812 void bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs); 813 void bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric); 814 void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric); 815 void bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, 816 struct bfa_fcs_vport_s *vport); 817 void bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, 818 struct bfa_fcs_vport_s *vport); 819 struct bfa_fcs_vport_s *bfa_fcs_fabric_vport_lookup( 820 struct bfa_fcs_fabric_s *fabric, wwn_t pwwn); 821 void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs); 822 void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, 823 struct fchs_s *fchs, u16 len); 824 void bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric); 825 void bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric); 826 void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, 827 wwn_t fabric_name); 828 u16 bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric); 829 void bfa_fcs_uf_attach(struct bfa_fcs_s *fcs); 830 void bfa_fcs_port_attach(struct bfa_fcs_s *fcs); 831 void bfa_fcs_fabric_modstop(struct bfa_fcs_s *fcs); 832 void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, 833 enum bfa_fcs_fabric_event event); 834 void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, 835 enum bfa_fcs_fabric_event event); 836 void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, 837 enum bfa_fcs_fabric_event event); 838 839 /* 840 * BFA FCS callback interfaces 841 */ 842 843 /* 844 * fcb Main fcs callbacks 845 */ 846 847 struct bfad_port_s; 848 struct bfad_vf_s; 849 struct bfad_vport_s; 850 struct bfad_rport_s; 851 852 /* 853 * lport callbacks 854 */ 855 struct bfad_port_s *bfa_fcb_lport_new(struct bfad_s *bfad, 856 struct bfa_fcs_lport_s *port, 857 enum bfa_lport_role roles, 858 struct bfad_vf_s *vf_drv, 859 struct bfad_vport_s *vp_drv); 860 861 /* 862 * vport callbacks 863 */ 864 void bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s); 865 866 /* 867 * rport callbacks 868 */ 869 bfa_status_t bfa_fcb_rport_alloc(struct bfad_s *bfad, 870 struct bfa_fcs_rport_s **rport, 871 struct bfad_rport_s **rport_drv); 872 873 /* 874 * itnim callbacks 875 */ 876 void bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim, 877 struct bfad_itnim_s **itnim_drv); 878 void bfa_fcb_itnim_free(struct bfad_s *bfad, 879 struct bfad_itnim_s *itnim_drv); 880 void bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv); 881 void bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv); 882 883 #endif /* __BFA_FCS_H__ */ 884