1 /* 2 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. 3 * Copyright (c) 2014- QLogic Corporation. 4 * All rights reserved 5 * www.qlogic.com 6 * 7 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. 8 * 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License (GPL) Version 2 as 11 * published by the Free Software Foundation 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 */ 18 19 #ifndef __BFA_FCS_H__ 20 #define __BFA_FCS_H__ 21 22 #include "bfa_cs.h" 23 #include "bfa_defs.h" 24 #include "bfa_defs_fcs.h" 25 #include "bfa_modules.h" 26 #include "bfa_fc.h" 27 28 #define BFA_FCS_OS_STR_LEN 64 29 30 /* 31 * lps_pvt BFA LPS private functions 32 */ 33 34 enum bfa_lps_event { 35 BFA_LPS_SM_LOGIN = 1, /* login request from user */ 36 BFA_LPS_SM_LOGOUT = 2, /* logout request from user */ 37 BFA_LPS_SM_FWRSP = 3, /* f/w response to login/logout */ 38 BFA_LPS_SM_RESUME = 4, /* space present in reqq queue */ 39 BFA_LPS_SM_DELETE = 5, /* lps delete from user */ 40 BFA_LPS_SM_OFFLINE = 6, /* Link is offline */ 41 BFA_LPS_SM_RX_CVL = 7, /* Rx clear virtual link */ 42 BFA_LPS_SM_SET_N2N_PID = 8, /* Set assigned PID for n2n */ 43 }; 44 45 46 /* 47 * !!! Only append to the enums defined here to avoid any versioning 48 * !!! needed between trace utility and driver version 49 */ 50 enum { 51 BFA_TRC_FCS_FCS = 1, 52 BFA_TRC_FCS_PORT = 2, 53 BFA_TRC_FCS_RPORT = 3, 54 BFA_TRC_FCS_FCPIM = 4, 55 }; 56 57 58 struct bfa_fcs_s; 59 60 #define __fcs_min_cfg(__fcs) ((__fcs)->min_cfg) 61 62 #define BFA_FCS_BRCD_SWITCH_OUI 0x051e 63 #define N2N_LOCAL_PID 0x010000 64 #define N2N_REMOTE_PID 0x020000 65 #define BFA_FCS_RETRY_TIMEOUT 2000 66 #define BFA_FCS_MAX_NS_RETRIES 5 67 #define BFA_FCS_PID_IS_WKA(pid) ((bfa_ntoh3b(pid) > 0xFFF000) ? 1 : 0) 68 #define BFA_FCS_MAX_RPORT_LOGINS 1024 69 70 struct bfa_fcs_lport_ns_s { 71 bfa_sm_t sm; /* state machine */ 72 struct bfa_timer_s timer; 73 struct bfa_fcs_lport_s *port; /* parent port */ 74 struct bfa_fcxp_s *fcxp; 75 struct bfa_fcxp_wqe_s fcxp_wqe; 76 u8 num_rnnid_retries; 77 u8 num_rsnn_nn_retries; 78 }; 79 80 81 struct bfa_fcs_lport_scn_s { 82 bfa_sm_t sm; /* state machine */ 83 struct bfa_timer_s timer; 84 struct bfa_fcs_lport_s *port; /* parent port */ 85 struct bfa_fcxp_s *fcxp; 86 struct bfa_fcxp_wqe_s fcxp_wqe; 87 }; 88 89 90 struct bfa_fcs_lport_fdmi_s { 91 bfa_sm_t sm; /* state machine */ 92 struct bfa_timer_s timer; 93 struct bfa_fcs_lport_ms_s *ms; /* parent ms */ 94 struct bfa_fcxp_s *fcxp; 95 struct bfa_fcxp_wqe_s fcxp_wqe; 96 u8 retry_cnt; /* retry count */ 97 u8 rsvd[3]; 98 }; 99 100 101 struct bfa_fcs_lport_ms_s { 102 bfa_sm_t sm; /* state machine */ 103 struct bfa_timer_s timer; 104 struct bfa_fcs_lport_s *port; /* parent port */ 105 struct bfa_fcxp_s *fcxp; 106 struct bfa_fcxp_wqe_s fcxp_wqe; 107 struct bfa_fcs_lport_fdmi_s fdmi; /* FDMI component of MS */ 108 u8 retry_cnt; /* retry count */ 109 u8 rsvd[3]; 110 }; 111 112 113 struct bfa_fcs_lport_fab_s { 114 struct bfa_fcs_lport_ns_s ns; /* NS component of port */ 115 struct bfa_fcs_lport_scn_s scn; /* scn component of port */ 116 struct bfa_fcs_lport_ms_s ms; /* MS component of port */ 117 }; 118 119 #define MAX_ALPA_COUNT 127 120 121 struct bfa_fcs_lport_loop_s { 122 u8 num_alpa; /* Num of ALPA entries in the map */ 123 u8 alpabm_valid; /* alpa bitmap valid or not (1 or 0) */ 124 u8 alpa_pos_map[MAX_ALPA_COUNT]; /* ALPA Positional Map */ 125 struct bfa_fcs_lport_s *port; /* parent port */ 126 }; 127 128 struct bfa_fcs_lport_n2n_s { 129 u32 rsvd; 130 __be16 reply_oxid; /* ox_id from the req flogi to be 131 *used in flogi acc */ 132 wwn_t rem_port_wwn; /* Attached port's wwn */ 133 }; 134 135 136 union bfa_fcs_lport_topo_u { 137 struct bfa_fcs_lport_fab_s pfab; 138 struct bfa_fcs_lport_loop_s ploop; 139 struct bfa_fcs_lport_n2n_s pn2n; 140 }; 141 142 143 struct bfa_fcs_lport_s { 144 struct list_head qe; /* used by port/vport */ 145 bfa_sm_t sm; /* state machine */ 146 struct bfa_fcs_fabric_s *fabric; /* parent fabric */ 147 struct bfa_lport_cfg_s port_cfg; /* port configuration */ 148 struct bfa_timer_s link_timer; /* timer for link offline */ 149 u32 pid:24; /* FC address */ 150 u8 lp_tag; /* lport tag */ 151 u16 num_rports; /* Num of r-ports */ 152 struct list_head rport_q; /* queue of discovered r-ports */ 153 struct bfa_fcs_s *fcs; /* FCS instance */ 154 union bfa_fcs_lport_topo_u port_topo; /* fabric/loop/n2n details */ 155 struct bfad_port_s *bfad_port; /* driver peer instance */ 156 struct bfa_fcs_vport_s *vport; /* NULL for base ports */ 157 struct bfa_fcxp_s *fcxp; 158 struct bfa_fcxp_wqe_s fcxp_wqe; 159 struct bfa_lport_stats_s stats; 160 struct bfa_wc_s wc; /* waiting counter for events */ 161 }; 162 #define BFA_FCS_GET_HAL_FROM_PORT(port) (port->fcs->bfa) 163 #define BFA_FCS_GET_NS_FROM_PORT(port) (&port->port_topo.pfab.ns) 164 #define BFA_FCS_GET_SCN_FROM_PORT(port) (&port->port_topo.pfab.scn) 165 #define BFA_FCS_GET_MS_FROM_PORT(port) (&port->port_topo.pfab.ms) 166 #define BFA_FCS_GET_FDMI_FROM_PORT(port) (&port->port_topo.pfab.ms.fdmi) 167 #define BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \ 168 (port->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM) 169 170 /* 171 * forward declaration 172 */ 173 struct bfad_vf_s; 174 175 enum bfa_fcs_fabric_type { 176 BFA_FCS_FABRIC_UNKNOWN = 0, 177 BFA_FCS_FABRIC_SWITCHED = 1, 178 BFA_FCS_FABRIC_N2N = 2, 179 BFA_FCS_FABRIC_LOOP = 3, 180 }; 181 182 183 struct bfa_fcs_fabric_s { 184 struct list_head qe; /* queue element */ 185 bfa_sm_t sm; /* state machine */ 186 struct bfa_fcs_s *fcs; /* FCS instance */ 187 struct bfa_fcs_lport_s bport; /* base logical port */ 188 enum bfa_fcs_fabric_type fab_type; /* fabric type */ 189 enum bfa_port_type oper_type; /* current link topology */ 190 u8 is_vf; /* is virtual fabric? */ 191 u8 is_npiv; /* is NPIV supported ? */ 192 u8 is_auth; /* is Security/Auth supported ? */ 193 u16 bb_credit; /* BB credit from fabric */ 194 u16 vf_id; /* virtual fabric ID */ 195 u16 num_vports; /* num vports */ 196 u16 rsvd; 197 struct list_head vport_q; /* queue of virtual ports */ 198 struct list_head vf_q; /* queue of virtual fabrics */ 199 struct bfad_vf_s *vf_drv; /* driver vf structure */ 200 struct bfa_timer_s link_timer; /* Link Failure timer. Vport */ 201 wwn_t fabric_name; /* attached fabric name */ 202 bfa_boolean_t auth_reqd; /* authentication required */ 203 struct bfa_timer_s delay_timer; /* delay timer */ 204 union { 205 u16 swp_vfid;/* switch port VF id */ 206 } event_arg; 207 struct bfa_wc_s wc; /* wait counter for delete */ 208 struct bfa_vf_stats_s stats; /* fabric/vf stats */ 209 struct bfa_lps_s *lps; /* lport login services */ 210 u8 fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ]; 211 /* attached fabric's ip addr */ 212 struct bfa_wc_s stop_wc; /* wait counter for stop */ 213 }; 214 215 #define bfa_fcs_fabric_npiv_capable(__f) ((__f)->is_npiv) 216 #define bfa_fcs_fabric_is_switched(__f) \ 217 ((__f)->fab_type == BFA_FCS_FABRIC_SWITCHED) 218 219 /* 220 * The design calls for a single implementation of base fabric and vf. 221 */ 222 #define bfa_fcs_vf_t struct bfa_fcs_fabric_s 223 224 struct bfa_vf_event_s { 225 u32 undefined; 226 }; 227 228 struct bfa_fcs_s; 229 struct bfa_fcs_fabric_s; 230 231 /* 232 * @todo : need to move to a global config file. 233 * Maximum Rports supported per port (physical/logical). 234 */ 235 #define BFA_FCS_MAX_RPORTS_SUPP 256 /* @todo : tentative value */ 236 237 #define bfa_fcs_lport_t struct bfa_fcs_lport_s 238 239 /* 240 * Symbolic Name related defines 241 * Total bytes 255. 242 * Physical Port's symbolic name 128 bytes. 243 * For Vports, Vport's symbolic name is appended to the Physical port's 244 * Symbolic Name. 245 * 246 * Physical Port's symbolic name Format : (Total 128 bytes) 247 * Adapter Model number/name : 16 bytes 248 * Driver Version : 10 bytes 249 * Host Machine Name : 30 bytes 250 * Host OS Info : 44 bytes 251 * Host OS PATCH Info : 16 bytes 252 * ( remaining 12 bytes reserved to be used for separator) 253 */ 254 #define BFA_FCS_PORT_SYMBNAME_SEPARATOR " | " 255 256 #define BFA_FCS_PORT_SYMBNAME_MODEL_SZ 16 257 #define BFA_FCS_PORT_SYMBNAME_VERSION_SZ 10 258 #define BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ 30 259 #define BFA_FCS_PORT_SYMBNAME_OSINFO_SZ 44 260 #define BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ 16 261 262 /* 263 * Get FC port ID for a logical port. 264 */ 265 #define bfa_fcs_lport_get_fcid(_lport) ((_lport)->pid) 266 #define bfa_fcs_lport_get_pwwn(_lport) ((_lport)->port_cfg.pwwn) 267 #define bfa_fcs_lport_get_nwwn(_lport) ((_lport)->port_cfg.nwwn) 268 #define bfa_fcs_lport_get_psym_name(_lport) ((_lport)->port_cfg.sym_name) 269 #define bfa_fcs_lport_get_nsym_name(_lport) ((_lport)->port_cfg.node_sym_name) 270 #define bfa_fcs_lport_is_initiator(_lport) \ 271 ((_lport)->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM) 272 #define bfa_fcs_lport_get_nrports(_lport) \ 273 ((_lport) ? (_lport)->num_rports : 0) 274 275 static inline struct bfad_port_s * 276 bfa_fcs_lport_get_drvport(struct bfa_fcs_lport_s *port) 277 { 278 return port->bfad_port; 279 } 280 281 #define bfa_fcs_lport_get_opertype(_lport) ((_lport)->fabric->oper_type) 282 #define bfa_fcs_lport_get_fabric_name(_lport) ((_lport)->fabric->fabric_name) 283 #define bfa_fcs_lport_get_fabric_ipaddr(_lport) \ 284 ((_lport)->fabric->fabric_ip_addr) 285 286 /* 287 * bfa fcs port public functions 288 */ 289 290 bfa_boolean_t bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port); 291 struct bfa_fcs_lport_s *bfa_fcs_get_base_port(struct bfa_fcs_s *fcs); 292 void bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port, 293 struct bfa_rport_qualifier_s rport[], int *nrports); 294 wwn_t bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, 295 int index, int nrports, bfa_boolean_t bwwn); 296 297 struct bfa_fcs_lport_s *bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, 298 u16 vf_id, wwn_t lpwwn); 299 300 void bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port, char *symname); 301 void bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port, 302 struct bfa_lport_info_s *port_info); 303 void bfa_fcs_lport_get_attr(struct bfa_fcs_lport_s *port, 304 struct bfa_lport_attr_s *port_attr); 305 void bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port, 306 struct bfa_lport_stats_s *port_stats); 307 void bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port); 308 enum bfa_port_speed bfa_fcs_lport_get_rport_max_speed( 309 struct bfa_fcs_lport_s *port); 310 311 /* MS FCS routines */ 312 void bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port); 313 void bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port); 314 void bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port); 315 void bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port); 316 317 /* FDMI FCS routines */ 318 void bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms); 319 void bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms); 320 void bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms); 321 void bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport, struct fchs_s *fchs, 322 u16 len); 323 void bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs, 324 u16 vf_id, struct bfa_fcs_vport_s *vport); 325 void bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport, 326 struct bfa_lport_cfg_s *port_cfg); 327 void bfa_fcs_lport_online(struct bfa_fcs_lport_s *port); 328 void bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port); 329 void bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port); 330 void bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port); 331 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pid( 332 struct bfa_fcs_lport_s *port, u32 pid); 333 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_old_pid( 334 struct bfa_fcs_lport_s *port, u32 pid); 335 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pwwn( 336 struct bfa_fcs_lport_s *port, wwn_t pwwn); 337 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_nwwn( 338 struct bfa_fcs_lport_s *port, wwn_t nwwn); 339 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_qualifier( 340 struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 pid); 341 void bfa_fcs_lport_add_rport(struct bfa_fcs_lport_s *port, 342 struct bfa_fcs_rport_s *rport); 343 void bfa_fcs_lport_del_rport(struct bfa_fcs_lport_s *port, 344 struct bfa_fcs_rport_s *rport); 345 void bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *vport); 346 void bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *vport); 347 void bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *vport); 348 void bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port); 349 void bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, 350 struct bfa_fcxp_s *fcxp_alloced); 351 void bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *vport); 352 void bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *vport); 353 void bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *vport); 354 void bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port, 355 struct fchs_s *rx_frame, u32 len); 356 void bfa_fcs_lport_lip_scn_online(bfa_fcs_lport_t *port); 357 358 struct bfa_fcs_vport_s { 359 struct list_head qe; /* queue elem */ 360 bfa_sm_t sm; /* state machine */ 361 bfa_fcs_lport_t lport; /* logical port */ 362 struct bfa_timer_s timer; 363 struct bfad_vport_s *vport_drv; /* Driver private */ 364 struct bfa_vport_stats_s vport_stats; /* vport statistics */ 365 struct bfa_lps_s *lps; /* Lport login service*/ 366 int fdisc_retries; 367 }; 368 369 #define bfa_fcs_vport_get_port(vport) \ 370 ((struct bfa_fcs_lport_s *)(&vport->port)) 371 372 /* 373 * bfa fcs vport public functions 374 */ 375 bfa_status_t bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, 376 struct bfa_fcs_s *fcs, u16 vf_id, 377 struct bfa_lport_cfg_s *port_cfg, 378 struct bfad_vport_s *vport_drv); 379 bfa_status_t bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, 380 struct bfa_fcs_s *fcs, u16 vf_id, 381 struct bfa_lport_cfg_s *port_cfg, 382 struct bfad_vport_s *vport_drv); 383 bfa_boolean_t bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport); 384 bfa_status_t bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport); 385 bfa_status_t bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport); 386 bfa_status_t bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport); 387 void bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport, 388 struct bfa_vport_attr_s *vport_attr); 389 struct bfa_fcs_vport_s *bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, 390 u16 vf_id, wwn_t vpwwn); 391 void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport); 392 void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport); 393 void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport); 394 void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport); 395 void bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport); 396 void bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport); 397 void bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport); 398 399 #define BFA_FCS_RPORT_DEF_DEL_TIMEOUT 90 /* in secs */ 400 #define BFA_FCS_RPORT_MAX_RETRIES (5) 401 402 /* 403 * forward declarations 404 */ 405 struct bfad_rport_s; 406 407 struct bfa_fcs_itnim_s; 408 struct bfa_fcs_tin_s; 409 struct bfa_fcs_iprp_s; 410 411 /* Rport Features (RPF) */ 412 struct bfa_fcs_rpf_s { 413 bfa_sm_t sm; /* state machine */ 414 struct bfa_fcs_rport_s *rport; /* parent rport */ 415 struct bfa_timer_s timer; /* general purpose timer */ 416 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ 417 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ 418 int rpsc_retries; /* max RPSC retry attempts */ 419 enum bfa_port_speed rpsc_speed; 420 /* Current Speed from RPSC. O if RPSC fails */ 421 enum bfa_port_speed assigned_speed; 422 /* 423 * Speed assigned by the user. will be used if RPSC is 424 * not supported by the rport. 425 */ 426 }; 427 428 struct bfa_fcs_rport_s { 429 struct list_head qe; /* used by port/vport */ 430 struct bfa_fcs_lport_s *port; /* parent FCS port */ 431 struct bfa_fcs_s *fcs; /* fcs instance */ 432 struct bfad_rport_s *rp_drv; /* driver peer instance */ 433 u32 pid; /* port ID of rport */ 434 u32 old_pid; /* PID before rport goes offline */ 435 u16 maxfrsize; /* maximum frame size */ 436 __be16 reply_oxid; /* OX_ID of inbound requests */ 437 enum fc_cos fc_cos; /* FC classes of service supp */ 438 bfa_boolean_t cisc; /* CISC capable device */ 439 bfa_boolean_t prlo; /* processing prlo or LOGO */ 440 bfa_boolean_t plogi_pending; /* Rx Plogi Pending */ 441 wwn_t pwwn; /* port wwn of rport */ 442 wwn_t nwwn; /* node wwn of rport */ 443 struct bfa_rport_symname_s psym_name; /* port symbolic name */ 444 bfa_sm_t sm; /* state machine */ 445 struct bfa_timer_s timer; /* general purpose timer */ 446 struct bfa_fcs_itnim_s *itnim; /* ITN initiator mode role */ 447 struct bfa_fcs_tin_s *tin; /* ITN initiator mode role */ 448 struct bfa_fcs_iprp_s *iprp; /* IP/FC role */ 449 struct bfa_rport_s *bfa_rport; /* BFA Rport */ 450 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ 451 int plogi_retries; /* max plogi retry attempts */ 452 int ns_retries; /* max NS query retry attempts */ 453 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ 454 struct bfa_rport_stats_s stats; /* rport stats */ 455 enum bfa_rport_function scsi_function; /* Initiator/Target */ 456 struct bfa_fcs_rpf_s rpf; /* Rport features module */ 457 bfa_boolean_t scn_online; /* SCN online flag */ 458 }; 459 460 static inline struct bfa_rport_s * 461 bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s *rport) 462 { 463 return rport->bfa_rport; 464 } 465 466 /* 467 * bfa fcs rport API functions 468 */ 469 void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, 470 struct bfa_rport_attr_s *attr); 471 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, 472 wwn_t rpwwn); 473 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn( 474 struct bfa_fcs_lport_s *port, wwn_t rnwwn); 475 void bfa_fcs_rport_set_del_timeout(u8 rport_tmo); 476 void bfa_fcs_rport_set_max_logins(u32 max_logins); 477 void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, 478 struct fchs_s *fchs, u16 len); 479 void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport); 480 481 struct bfa_fcs_rport_s *bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, 482 u32 pid); 483 void bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, 484 struct fc_logi_s *plogi_rsp); 485 void bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, 486 struct fchs_s *rx_fchs, 487 struct fc_logi_s *plogi); 488 void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, 489 struct fc_logi_s *plogi); 490 void bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id); 491 492 void bfa_fcs_rport_itntm_ack(struct bfa_fcs_rport_s *rport); 493 void bfa_fcs_rport_fcptm_offline_done(struct bfa_fcs_rport_s *rport); 494 int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport); 495 struct bfa_fcs_rport_s *bfa_fcs_rport_create_by_wwn( 496 struct bfa_fcs_lport_s *port, wwn_t wwn); 497 void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport); 498 void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport); 499 void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport); 500 501 /* 502 * forward declarations 503 */ 504 struct bfad_itnim_s; 505 506 struct bfa_fcs_itnim_s { 507 bfa_sm_t sm; /* state machine */ 508 struct bfa_fcs_rport_s *rport; /* parent remote rport */ 509 struct bfad_itnim_s *itnim_drv; /* driver peer instance */ 510 struct bfa_fcs_s *fcs; /* fcs instance */ 511 struct bfa_timer_s timer; /* timer functions */ 512 struct bfa_itnim_s *bfa_itnim; /* BFA itnim struct */ 513 u32 prli_retries; /* max prli retry attempts */ 514 bfa_boolean_t seq_rec; /* seq recovery support */ 515 bfa_boolean_t rec_support; /* REC supported */ 516 bfa_boolean_t conf_comp; /* FCP_CONF support */ 517 bfa_boolean_t task_retry_id; /* task retry id supp */ 518 struct bfa_fcxp_wqe_s fcxp_wqe; /* wait qelem for fcxp */ 519 struct bfa_fcxp_s *fcxp; /* FCXP in use */ 520 struct bfa_itnim_stats_s stats; /* itn statistics */ 521 }; 522 #define bfa_fcs_fcxp_alloc(__fcs, __req) \ 523 bfa_fcxp_req_rsp_alloc(NULL, (__fcs)->bfa, 0, 0, \ 524 NULL, NULL, NULL, NULL, __req) 525 #define bfa_fcs_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \ 526 __alloc_cbarg, __req) \ 527 bfa_fcxp_req_rsp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \ 528 __alloc_cbarg, NULL, 0, 0, NULL, NULL, NULL, NULL, __req) 529 530 static inline struct bfad_port_s * 531 bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s *itnim) 532 { 533 return itnim->rport->port->bfad_port; 534 } 535 536 537 static inline struct bfa_fcs_lport_s * 538 bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s *itnim) 539 { 540 return itnim->rport->port; 541 } 542 543 544 static inline wwn_t 545 bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s *itnim) 546 { 547 return itnim->rport->nwwn; 548 } 549 550 551 static inline wwn_t 552 bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s *itnim) 553 { 554 return itnim->rport->pwwn; 555 } 556 557 558 static inline u32 559 bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s *itnim) 560 { 561 return itnim->rport->pid; 562 } 563 564 565 static inline u32 566 bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s *itnim) 567 { 568 return itnim->rport->maxfrsize; 569 } 570 571 572 static inline enum fc_cos 573 bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s *itnim) 574 { 575 return itnim->rport->fc_cos; 576 } 577 578 579 static inline struct bfad_itnim_s * 580 bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s *itnim) 581 { 582 return itnim->itnim_drv; 583 } 584 585 586 static inline struct bfa_itnim_s * 587 bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s *itnim) 588 { 589 return itnim->bfa_itnim; 590 } 591 592 /* 593 * bfa fcs FCP Initiator mode API functions 594 */ 595 void bfa_fcs_itnim_get_attr(struct bfa_fcs_itnim_s *itnim, 596 struct bfa_itnim_attr_s *attr); 597 void bfa_fcs_itnim_get_stats(struct bfa_fcs_itnim_s *itnim, 598 struct bfa_itnim_stats_s *stats); 599 struct bfa_fcs_itnim_s *bfa_fcs_itnim_lookup(struct bfa_fcs_lport_s *port, 600 wwn_t rpwwn); 601 bfa_status_t bfa_fcs_itnim_attr_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, 602 struct bfa_itnim_attr_s *attr); 603 bfa_status_t bfa_fcs_itnim_stats_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, 604 struct bfa_itnim_stats_s *stats); 605 bfa_status_t bfa_fcs_itnim_stats_clear(struct bfa_fcs_lport_s *port, 606 wwn_t rpwwn); 607 struct bfa_fcs_itnim_s *bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport); 608 void bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim); 609 void bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim); 610 void bfa_fcs_itnim_brp_online(struct bfa_fcs_itnim_s *itnim); 611 bfa_status_t bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim); 612 void bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim); 613 void bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim, 614 struct fchs_s *fchs, u16 len); 615 616 #define BFA_FCS_FDMI_SUPP_SPEEDS_4G (FDMI_TRANS_SPEED_1G | \ 617 FDMI_TRANS_SPEED_2G | \ 618 FDMI_TRANS_SPEED_4G) 619 620 #define BFA_FCS_FDMI_SUPP_SPEEDS_8G (FDMI_TRANS_SPEED_1G | \ 621 FDMI_TRANS_SPEED_2G | \ 622 FDMI_TRANS_SPEED_4G | \ 623 FDMI_TRANS_SPEED_8G) 624 625 #define BFA_FCS_FDMI_SUPP_SPEEDS_16G (FDMI_TRANS_SPEED_2G | \ 626 FDMI_TRANS_SPEED_4G | \ 627 FDMI_TRANS_SPEED_8G | \ 628 FDMI_TRANS_SPEED_16G) 629 630 #define BFA_FCS_FDMI_SUPP_SPEEDS_10G FDMI_TRANS_SPEED_10G 631 632 #define BFA_FCS_FDMI_VENDOR_INFO_LEN 8 633 #define BFA_FCS_FDMI_FC4_TYPE_LEN 32 634 635 /* 636 * HBA Attribute Block : BFA internal representation. Note : Some variable 637 * sizes have been trimmed to suit BFA For Ex : Model will be "QLogic ". Based 638 * on this the size has been reduced to 16 bytes from the standard's 64 bytes. 639 */ 640 struct bfa_fcs_fdmi_hba_attr_s { 641 wwn_t node_name; 642 u8 manufacturer[64]; 643 u8 serial_num[64]; 644 u8 model[16]; 645 u8 model_desc[128]; 646 u8 hw_version[8]; 647 u8 driver_version[BFA_VERSION_LEN]; 648 u8 option_rom_ver[BFA_VERSION_LEN]; 649 u8 fw_version[BFA_VERSION_LEN]; 650 u8 os_name[256]; 651 __be32 max_ct_pyld; 652 struct bfa_lport_symname_s node_sym_name; 653 u8 vendor_info[BFA_FCS_FDMI_VENDOR_INFO_LEN]; 654 __be32 num_ports; 655 wwn_t fabric_name; 656 u8 bios_ver[BFA_VERSION_LEN]; 657 }; 658 659 /* 660 * Port Attribute Block 661 */ 662 struct bfa_fcs_fdmi_port_attr_s { 663 u8 supp_fc4_types[BFA_FCS_FDMI_FC4_TYPE_LEN]; 664 __be32 supp_speed; /* supported speed */ 665 __be32 curr_speed; /* current Speed */ 666 __be32 max_frm_size; /* max frame size */ 667 u8 os_device_name[256]; /* OS device Name */ 668 u8 host_name[256]; /* host name */ 669 wwn_t port_name; 670 wwn_t node_name; 671 struct bfa_lport_symname_s port_sym_name; 672 __be32 port_type; 673 enum fc_cos scos; 674 wwn_t port_fabric_name; 675 u8 port_act_fc4_type[BFA_FCS_FDMI_FC4_TYPE_LEN]; 676 __be32 port_state; 677 __be32 num_ports; 678 }; 679 680 struct bfa_fcs_stats_s { 681 struct { 682 u32 untagged; /* untagged receive frames */ 683 u32 tagged; /* tagged receive frames */ 684 u32 vfid_unknown; /* VF id is unknown */ 685 } uf; 686 }; 687 688 struct bfa_fcs_driver_info_s { 689 u8 version[BFA_VERSION_LEN]; /* Driver Version */ 690 u8 host_machine_name[BFA_FCS_OS_STR_LEN]; 691 u8 host_os_name[BFA_FCS_OS_STR_LEN]; /* OS name and version */ 692 u8 host_os_patch[BFA_FCS_OS_STR_LEN]; /* patch or service pack */ 693 u8 os_device_name[BFA_FCS_OS_STR_LEN]; /* Driver Device Name */ 694 }; 695 696 struct bfa_fcs_s { 697 struct bfa_s *bfa; /* corresponding BFA bfa instance */ 698 struct bfad_s *bfad; /* corresponding BDA driver instance */ 699 struct bfa_trc_mod_s *trcmod; /* tracing module */ 700 bfa_boolean_t vf_enabled; /* VF mode is enabled */ 701 bfa_boolean_t fdmi_enabled; /* FDMI is enabled */ 702 bfa_boolean_t min_cfg; /* min cfg enabled/disabled */ 703 u16 port_vfid; /* port default VF ID */ 704 struct bfa_fcs_driver_info_s driver_info; 705 struct bfa_fcs_fabric_s fabric; /* base fabric state machine */ 706 struct bfa_fcs_stats_s stats; /* FCS statistics */ 707 struct bfa_wc_s wc; /* waiting counter */ 708 int fcs_aen_seq; 709 u32 num_rport_logins; 710 }; 711 712 /* 713 * fcs_fabric_sm fabric state machine functions 714 */ 715 716 /* 717 * Fabric state machine events 718 */ 719 enum bfa_fcs_fabric_event { 720 BFA_FCS_FABRIC_SM_CREATE = 1, /* create from driver */ 721 BFA_FCS_FABRIC_SM_DELETE = 2, /* delete from driver */ 722 BFA_FCS_FABRIC_SM_LINK_DOWN = 3, /* link down from port */ 723 BFA_FCS_FABRIC_SM_LINK_UP = 4, /* link up from port */ 724 BFA_FCS_FABRIC_SM_CONT_OP = 5, /* flogi/auth continue op */ 725 BFA_FCS_FABRIC_SM_RETRY_OP = 6, /* flogi/auth retry op */ 726 BFA_FCS_FABRIC_SM_NO_FABRIC = 7, /* from flogi/auth */ 727 BFA_FCS_FABRIC_SM_PERF_EVFP = 8, /* from flogi/auth */ 728 BFA_FCS_FABRIC_SM_ISOLATE = 9, /* from EVFP processing */ 729 BFA_FCS_FABRIC_SM_NO_TAGGING = 10, /* no VFT tagging from EVFP */ 730 BFA_FCS_FABRIC_SM_DELAYED = 11, /* timeout delay event */ 731 BFA_FCS_FABRIC_SM_AUTH_FAILED = 12, /* auth failed */ 732 BFA_FCS_FABRIC_SM_AUTH_SUCCESS = 13, /* auth successful */ 733 BFA_FCS_FABRIC_SM_DELCOMP = 14, /* all vports deleted event */ 734 BFA_FCS_FABRIC_SM_LOOPBACK = 15, /* Received our own FLOGI */ 735 BFA_FCS_FABRIC_SM_START = 16, /* from driver */ 736 BFA_FCS_FABRIC_SM_STOP = 17, /* Stop from driver */ 737 BFA_FCS_FABRIC_SM_STOPCOMP = 18, /* Stop completion */ 738 BFA_FCS_FABRIC_SM_LOGOCOMP = 19, /* FLOGO completion */ 739 }; 740 741 /* 742 * fcs_rport_sm FCS rport state machine events 743 */ 744 745 enum rport_event { 746 RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ 747 RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ 748 RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ 749 RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ 750 RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ 751 RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ 752 RPSM_EVENT_DELETE = 7, /* RPORT delete request */ 753 RPSM_EVENT_FAB_SCN = 8, /* state change notification */ 754 RPSM_EVENT_ACCEPTED = 9, /* Good response from remote device */ 755 RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ 756 RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ 757 RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ 758 RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ 759 RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ 760 RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ 761 RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */ 762 RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */ 763 RPSM_EVENT_PLOGI_RETRY = 18, /* Retry PLOGI continuously */ 764 RPSM_EVENT_SCN_OFFLINE = 19, /* loop scn offline */ 765 RPSM_EVENT_SCN_ONLINE = 20, /* loop scn online */ 766 RPSM_EVENT_FC4_FCS_ONLINE = 21, /* FC-4 FCS online complete */ 767 }; 768 769 /* 770 * fcs_itnim_sm FCS itnim state machine events 771 */ 772 enum bfa_fcs_itnim_event { 773 BFA_FCS_ITNIM_SM_FCS_ONLINE = 1, /* rport online event */ 774 BFA_FCS_ITNIM_SM_OFFLINE = 2, /* rport offline */ 775 BFA_FCS_ITNIM_SM_FRMSENT = 3, /* prli frame is sent */ 776 BFA_FCS_ITNIM_SM_RSP_OK = 4, /* good response */ 777 BFA_FCS_ITNIM_SM_RSP_ERROR = 5, /* error response */ 778 BFA_FCS_ITNIM_SM_TIMEOUT = 6, /* delay timeout */ 779 BFA_FCS_ITNIM_SM_HCB_OFFLINE = 7, /* BFA online callback */ 780 BFA_FCS_ITNIM_SM_HCB_ONLINE = 8, /* BFA offline callback */ 781 BFA_FCS_ITNIM_SM_INITIATOR = 9, /* rport is initiator */ 782 BFA_FCS_ITNIM_SM_DELETE = 10, /* delete event from rport */ 783 BFA_FCS_ITNIM_SM_PRLO = 11, /* delete event from rport */ 784 BFA_FCS_ITNIM_SM_RSP_NOT_SUPP = 12, /* cmd not supported rsp */ 785 BFA_FCS_ITNIM_SM_HAL_ONLINE = 13, /* bfa rport online event */ 786 }; 787 788 /* 789 * bfa fcs API functions 790 */ 791 void bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, 792 struct bfad_s *bfad, 793 bfa_boolean_t min_cfg); 794 void bfa_fcs_init(struct bfa_fcs_s *fcs); 795 void bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs); 796 void bfa_fcs_update_cfg(struct bfa_fcs_s *fcs); 797 void bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, 798 struct bfa_fcs_driver_info_s *driver_info); 799 void bfa_fcs_exit(struct bfa_fcs_s *fcs); 800 void bfa_fcs_stop(struct bfa_fcs_s *fcs); 801 802 /* 803 * bfa fcs vf public functions 804 */ 805 bfa_fcs_vf_t *bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id); 806 void bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t vpwwn[], int *nports); 807 808 /* 809 * fabric protected interface functions 810 */ 811 void bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs); 812 void bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric); 813 void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric); 814 void bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, 815 struct bfa_fcs_vport_s *vport); 816 void bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, 817 struct bfa_fcs_vport_s *vport); 818 struct bfa_fcs_vport_s *bfa_fcs_fabric_vport_lookup( 819 struct bfa_fcs_fabric_s *fabric, wwn_t pwwn); 820 void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs); 821 void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, 822 struct fchs_s *fchs, u16 len); 823 void bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric); 824 void bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric); 825 void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, 826 wwn_t fabric_name); 827 u16 bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric); 828 void bfa_fcs_fabric_modstop(struct bfa_fcs_s *fcs); 829 void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, 830 enum bfa_fcs_fabric_event event); 831 void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, 832 enum bfa_fcs_fabric_event event); 833 void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, 834 enum bfa_fcs_fabric_event event); 835 836 /* 837 * BFA FCS callback interfaces 838 */ 839 840 /* 841 * fcb Main fcs callbacks 842 */ 843 844 struct bfad_port_s; 845 struct bfad_vf_s; 846 struct bfad_vport_s; 847 struct bfad_rport_s; 848 849 /* 850 * lport callbacks 851 */ 852 struct bfad_port_s *bfa_fcb_lport_new(struct bfad_s *bfad, 853 struct bfa_fcs_lport_s *port, 854 enum bfa_lport_role roles, 855 struct bfad_vf_s *vf_drv, 856 struct bfad_vport_s *vp_drv); 857 858 /* 859 * vport callbacks 860 */ 861 void bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s); 862 863 /* 864 * rport callbacks 865 */ 866 bfa_status_t bfa_fcb_rport_alloc(struct bfad_s *bfad, 867 struct bfa_fcs_rport_s **rport, 868 struct bfad_rport_s **rport_drv); 869 870 /* 871 * itnim callbacks 872 */ 873 int bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim, 874 struct bfad_itnim_s **itnim_drv); 875 void bfa_fcb_itnim_free(struct bfad_s *bfad, 876 struct bfad_itnim_s *itnim_drv); 877 void bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv); 878 void bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv); 879 880 #endif /* __BFA_FCS_H__ */ 881