1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. 4 * Copyright (c) 2014- QLogic Corporation. 5 * All rights reserved 6 * www.qlogic.com 7 * 8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. 9 */ 10 11 #ifndef __BFA_FCS_H__ 12 #define __BFA_FCS_H__ 13 14 #include "bfa_cs.h" 15 #include "bfa_defs.h" 16 #include "bfa_defs_fcs.h" 17 #include "bfa_modules.h" 18 #include "bfa_fc.h" 19 20 #define BFA_FCS_OS_STR_LEN 64 21 22 /* 23 * lps_pvt BFA LPS private functions 24 */ 25 26 enum bfa_lps_event { 27 BFA_LPS_SM_LOGIN = 1, /* login request from user */ 28 BFA_LPS_SM_LOGOUT = 2, /* logout request from user */ 29 BFA_LPS_SM_FWRSP = 3, /* f/w response to login/logout */ 30 BFA_LPS_SM_RESUME = 4, /* space present in reqq queue */ 31 BFA_LPS_SM_DELETE = 5, /* lps delete from user */ 32 BFA_LPS_SM_OFFLINE = 6, /* Link is offline */ 33 BFA_LPS_SM_RX_CVL = 7, /* Rx clear virtual link */ 34 BFA_LPS_SM_SET_N2N_PID = 8, /* Set assigned PID for n2n */ 35 }; 36 37 38 /* 39 * !!! Only append to the enums defined here to avoid any versioning 40 * !!! needed between trace utility and driver version 41 */ 42 enum { 43 BFA_TRC_FCS_FCS = 1, 44 BFA_TRC_FCS_PORT = 2, 45 BFA_TRC_FCS_RPORT = 3, 46 BFA_TRC_FCS_FCPIM = 4, 47 }; 48 49 50 struct bfa_fcs_s; 51 52 #define __fcs_min_cfg(__fcs) ((__fcs)->min_cfg) 53 54 #define BFA_FCS_BRCD_SWITCH_OUI 0x051e 55 #define N2N_LOCAL_PID 0x010000 56 #define N2N_REMOTE_PID 0x020000 57 #define BFA_FCS_RETRY_TIMEOUT 2000 58 #define BFA_FCS_MAX_NS_RETRIES 5 59 #define BFA_FCS_PID_IS_WKA(pid) ((bfa_ntoh3b(pid) > 0xFFF000) ? 1 : 0) 60 #define BFA_FCS_MAX_RPORT_LOGINS 1024 61 62 struct bfa_fcs_lport_ns_s { 63 bfa_sm_t sm; /* state machine */ 64 struct bfa_timer_s timer; 65 struct bfa_fcs_lport_s *port; /* parent port */ 66 struct bfa_fcxp_s *fcxp; 67 struct bfa_fcxp_wqe_s fcxp_wqe; 68 u8 num_rnnid_retries; 69 u8 num_rsnn_nn_retries; 70 }; 71 72 73 struct bfa_fcs_lport_scn_s { 74 bfa_sm_t sm; /* state machine */ 75 struct bfa_timer_s timer; 76 struct bfa_fcs_lport_s *port; /* parent port */ 77 struct bfa_fcxp_s *fcxp; 78 struct bfa_fcxp_wqe_s fcxp_wqe; 79 }; 80 81 82 struct bfa_fcs_lport_fdmi_s { 83 bfa_sm_t sm; /* state machine */ 84 struct bfa_timer_s timer; 85 struct bfa_fcs_lport_ms_s *ms; /* parent ms */ 86 struct bfa_fcxp_s *fcxp; 87 struct bfa_fcxp_wqe_s fcxp_wqe; 88 u8 retry_cnt; /* retry count */ 89 u8 rsvd[3]; 90 }; 91 92 93 struct bfa_fcs_lport_ms_s { 94 bfa_sm_t sm; /* state machine */ 95 struct bfa_timer_s timer; 96 struct bfa_fcs_lport_s *port; /* parent port */ 97 struct bfa_fcxp_s *fcxp; 98 struct bfa_fcxp_wqe_s fcxp_wqe; 99 struct bfa_fcs_lport_fdmi_s fdmi; /* FDMI component of MS */ 100 u8 retry_cnt; /* retry count */ 101 u8 rsvd[3]; 102 }; 103 104 105 struct bfa_fcs_lport_fab_s { 106 struct bfa_fcs_lport_ns_s ns; /* NS component of port */ 107 struct bfa_fcs_lport_scn_s scn; /* scn component of port */ 108 struct bfa_fcs_lport_ms_s ms; /* MS component of port */ 109 }; 110 111 #define MAX_ALPA_COUNT 127 112 113 struct bfa_fcs_lport_loop_s { 114 u8 num_alpa; /* Num of ALPA entries in the map */ 115 u8 alpabm_valid; /* alpa bitmap valid or not (1 or 0) */ 116 u8 alpa_pos_map[MAX_ALPA_COUNT]; /* ALPA Positional Map */ 117 struct bfa_fcs_lport_s *port; /* parent port */ 118 }; 119 120 struct bfa_fcs_lport_n2n_s { 121 u32 rsvd; 122 __be16 reply_oxid; /* ox_id from the req flogi to be 123 *used in flogi acc */ 124 wwn_t rem_port_wwn; /* Attached port's wwn */ 125 }; 126 127 128 union bfa_fcs_lport_topo_u { 129 struct bfa_fcs_lport_fab_s pfab; 130 struct bfa_fcs_lport_loop_s ploop; 131 struct bfa_fcs_lport_n2n_s pn2n; 132 }; 133 134 135 struct bfa_fcs_lport_s { 136 struct list_head qe; /* used by port/vport */ 137 bfa_sm_t sm; /* state machine */ 138 struct bfa_fcs_fabric_s *fabric; /* parent fabric */ 139 struct bfa_lport_cfg_s port_cfg; /* port configuration */ 140 struct bfa_timer_s link_timer; /* timer for link offline */ 141 u32 pid:24; /* FC address */ 142 u8 lp_tag; /* lport tag */ 143 u16 num_rports; /* Num of r-ports */ 144 struct list_head rport_q; /* queue of discovered r-ports */ 145 struct bfa_fcs_s *fcs; /* FCS instance */ 146 union bfa_fcs_lport_topo_u port_topo; /* fabric/loop/n2n details */ 147 struct bfad_port_s *bfad_port; /* driver peer instance */ 148 struct bfa_fcs_vport_s *vport; /* NULL for base ports */ 149 struct bfa_fcxp_s *fcxp; 150 struct bfa_fcxp_wqe_s fcxp_wqe; 151 struct bfa_lport_stats_s stats; 152 struct bfa_wc_s wc; /* waiting counter for events */ 153 }; 154 #define BFA_FCS_GET_HAL_FROM_PORT(port) (port->fcs->bfa) 155 #define BFA_FCS_GET_NS_FROM_PORT(port) (&port->port_topo.pfab.ns) 156 #define BFA_FCS_GET_SCN_FROM_PORT(port) (&port->port_topo.pfab.scn) 157 #define BFA_FCS_GET_MS_FROM_PORT(port) (&port->port_topo.pfab.ms) 158 #define BFA_FCS_GET_FDMI_FROM_PORT(port) (&port->port_topo.pfab.ms.fdmi) 159 #define BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \ 160 (port->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM) 161 162 /* 163 * forward declaration 164 */ 165 struct bfad_vf_s; 166 167 enum bfa_fcs_fabric_type { 168 BFA_FCS_FABRIC_UNKNOWN = 0, 169 BFA_FCS_FABRIC_SWITCHED = 1, 170 BFA_FCS_FABRIC_N2N = 2, 171 BFA_FCS_FABRIC_LOOP = 3, 172 }; 173 174 175 struct bfa_fcs_fabric_s { 176 struct list_head qe; /* queue element */ 177 bfa_sm_t sm; /* state machine */ 178 struct bfa_fcs_s *fcs; /* FCS instance */ 179 struct bfa_fcs_lport_s bport; /* base logical port */ 180 enum bfa_fcs_fabric_type fab_type; /* fabric type */ 181 enum bfa_port_type oper_type; /* current link topology */ 182 u8 is_vf; /* is virtual fabric? */ 183 u8 is_npiv; /* is NPIV supported ? */ 184 u8 is_auth; /* is Security/Auth supported ? */ 185 u16 bb_credit; /* BB credit from fabric */ 186 u16 vf_id; /* virtual fabric ID */ 187 u16 num_vports; /* num vports */ 188 u16 rsvd; 189 struct list_head vport_q; /* queue of virtual ports */ 190 struct list_head vf_q; /* queue of virtual fabrics */ 191 struct bfad_vf_s *vf_drv; /* driver vf structure */ 192 struct bfa_timer_s link_timer; /* Link Failure timer. Vport */ 193 wwn_t fabric_name; /* attached fabric name */ 194 bfa_boolean_t auth_reqd; /* authentication required */ 195 struct bfa_timer_s delay_timer; /* delay timer */ 196 union { 197 u16 swp_vfid;/* switch port VF id */ 198 } event_arg; 199 struct bfa_wc_s wc; /* wait counter for delete */ 200 struct bfa_vf_stats_s stats; /* fabric/vf stats */ 201 struct bfa_lps_s *lps; /* lport login services */ 202 u8 fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ]; 203 /* attached fabric's ip addr */ 204 struct bfa_wc_s stop_wc; /* wait counter for stop */ 205 }; 206 207 #define bfa_fcs_fabric_npiv_capable(__f) ((__f)->is_npiv) 208 #define bfa_fcs_fabric_is_switched(__f) \ 209 ((__f)->fab_type == BFA_FCS_FABRIC_SWITCHED) 210 211 /* 212 * The design calls for a single implementation of base fabric and vf. 213 */ 214 #define bfa_fcs_vf_t struct bfa_fcs_fabric_s 215 216 struct bfa_vf_event_s { 217 u32 undefined; 218 }; 219 220 /* 221 * @todo : need to move to a global config file. 222 * Maximum Rports supported per port (physical/logical). 223 */ 224 #define BFA_FCS_MAX_RPORTS_SUPP 256 /* @todo : tentative value */ 225 226 #define bfa_fcs_lport_t struct bfa_fcs_lport_s 227 228 /* 229 * Symbolic Name related defines 230 * Total bytes 255. 231 * Physical Port's symbolic name 128 bytes. 232 * For Vports, Vport's symbolic name is appended to the Physical port's 233 * Symbolic Name. 234 * 235 * Physical Port's symbolic name Format : (Total 128 bytes) 236 * Adapter Model number/name : 16 bytes 237 * Driver Version : 10 bytes 238 * Host Machine Name : 30 bytes 239 * Host OS Info : 44 bytes 240 * Host OS PATCH Info : 16 bytes 241 * ( remaining 12 bytes reserved to be used for separator) 242 */ 243 #define BFA_FCS_PORT_SYMBNAME_SEPARATOR " | " 244 245 #define BFA_FCS_PORT_SYMBNAME_MODEL_SZ 16 246 #define BFA_FCS_PORT_SYMBNAME_VERSION_SZ 10 247 #define BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ 30 248 #define BFA_FCS_PORT_SYMBNAME_OSINFO_SZ 44 249 #define BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ 16 250 251 /* 252 * Get FC port ID for a logical port. 253 */ 254 #define bfa_fcs_lport_get_fcid(_lport) ((_lport)->pid) 255 #define bfa_fcs_lport_get_pwwn(_lport) ((_lport)->port_cfg.pwwn) 256 #define bfa_fcs_lport_get_nwwn(_lport) ((_lport)->port_cfg.nwwn) 257 #define bfa_fcs_lport_get_psym_name(_lport) ((_lport)->port_cfg.sym_name) 258 #define bfa_fcs_lport_get_nsym_name(_lport) ((_lport)->port_cfg.node_sym_name) 259 #define bfa_fcs_lport_is_initiator(_lport) \ 260 ((_lport)->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM) 261 #define bfa_fcs_lport_get_nrports(_lport) \ 262 ((_lport) ? (_lport)->num_rports : 0) 263 264 static inline struct bfad_port_s * bfa_fcs_lport_get_drvport(struct bfa_fcs_lport_s * port)265 bfa_fcs_lport_get_drvport(struct bfa_fcs_lport_s *port) 266 { 267 return port->bfad_port; 268 } 269 270 #define bfa_fcs_lport_get_opertype(_lport) ((_lport)->fabric->oper_type) 271 #define bfa_fcs_lport_get_fabric_name(_lport) ((_lport)->fabric->fabric_name) 272 #define bfa_fcs_lport_get_fabric_ipaddr(_lport) \ 273 ((_lport)->fabric->fabric_ip_addr) 274 275 /* 276 * bfa fcs port public functions 277 */ 278 279 bfa_boolean_t bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port); 280 struct bfa_fcs_lport_s *bfa_fcs_get_base_port(struct bfa_fcs_s *fcs); 281 void bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port, 282 struct bfa_rport_qualifier_s rport[], int *nrports); 283 wwn_t bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, 284 int index, int nrports, bfa_boolean_t bwwn); 285 286 struct bfa_fcs_lport_s *bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, 287 u16 vf_id, wwn_t lpwwn); 288 289 void bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port, char *symname); 290 void bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port, 291 struct bfa_lport_info_s *port_info); 292 void bfa_fcs_lport_get_attr(struct bfa_fcs_lport_s *port, 293 struct bfa_lport_attr_s *port_attr); 294 void bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port, 295 struct bfa_lport_stats_s *port_stats); 296 void bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port); 297 enum bfa_port_speed bfa_fcs_lport_get_rport_max_speed( 298 struct bfa_fcs_lport_s *port); 299 300 /* MS FCS routines */ 301 void bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port); 302 void bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port); 303 void bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port); 304 void bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port); 305 306 /* FDMI FCS routines */ 307 void bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms); 308 void bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms); 309 void bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms); 310 void bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport, struct fchs_s *fchs, 311 u16 len); 312 void bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs, 313 u16 vf_id, struct bfa_fcs_vport_s *vport); 314 void bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport, 315 struct bfa_lport_cfg_s *port_cfg); 316 void bfa_fcs_lport_online(struct bfa_fcs_lport_s *port); 317 void bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port); 318 void bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port); 319 void bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port); 320 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pid( 321 struct bfa_fcs_lport_s *port, u32 pid); 322 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_old_pid( 323 struct bfa_fcs_lport_s *port, u32 pid); 324 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pwwn( 325 struct bfa_fcs_lport_s *port, wwn_t pwwn); 326 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_nwwn( 327 struct bfa_fcs_lport_s *port, wwn_t nwwn); 328 struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_qualifier( 329 struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 pid); 330 void bfa_fcs_lport_add_rport(struct bfa_fcs_lport_s *port, 331 struct bfa_fcs_rport_s *rport); 332 void bfa_fcs_lport_del_rport(struct bfa_fcs_lport_s *port, 333 struct bfa_fcs_rport_s *rport); 334 void bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *vport); 335 void bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *vport); 336 void bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *vport); 337 void bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port); 338 void bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, 339 struct bfa_fcxp_s *fcxp_alloced); 340 void bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *vport); 341 void bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *vport); 342 void bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *vport); 343 void bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port, 344 struct fchs_s *rx_frame, u32 len); 345 void bfa_fcs_lport_lip_scn_online(bfa_fcs_lport_t *port); 346 347 struct bfa_fcs_vport_s { 348 struct list_head qe; /* queue elem */ 349 bfa_sm_t sm; /* state machine */ 350 bfa_fcs_lport_t lport; /* logical port */ 351 struct bfa_timer_s timer; 352 struct bfad_vport_s *vport_drv; /* Driver private */ 353 struct bfa_vport_stats_s vport_stats; /* vport statistics */ 354 struct bfa_lps_s *lps; /* Lport login service*/ 355 int fdisc_retries; 356 }; 357 358 #define bfa_fcs_vport_get_port(vport) \ 359 ((struct bfa_fcs_lport_s *)(&vport->port)) 360 361 /* 362 * bfa fcs vport public functions 363 */ 364 bfa_status_t bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, 365 struct bfa_fcs_s *fcs, u16 vf_id, 366 struct bfa_lport_cfg_s *port_cfg, 367 struct bfad_vport_s *vport_drv); 368 bfa_status_t bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, 369 struct bfa_fcs_s *fcs, u16 vf_id, 370 struct bfa_lport_cfg_s *port_cfg, 371 struct bfad_vport_s *vport_drv); 372 bfa_boolean_t bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport); 373 bfa_status_t bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport); 374 bfa_status_t bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport); 375 bfa_status_t bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport); 376 void bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport, 377 struct bfa_vport_attr_s *vport_attr); 378 struct bfa_fcs_vport_s *bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, 379 u16 vf_id, wwn_t vpwwn); 380 void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport); 381 void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport); 382 void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport); 383 void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport); 384 void bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport); 385 void bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport); 386 void bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport); 387 388 #define BFA_FCS_RPORT_DEF_DEL_TIMEOUT 90 /* in secs */ 389 #define BFA_FCS_RPORT_MAX_RETRIES (5) 390 391 /* 392 * forward declarations 393 */ 394 struct bfad_rport_s; 395 396 struct bfa_fcs_itnim_s; 397 struct bfa_fcs_tin_s; 398 struct bfa_fcs_iprp_s; 399 400 /* Rport Features (RPF) */ 401 struct bfa_fcs_rpf_s { 402 bfa_sm_t sm; /* state machine */ 403 struct bfa_fcs_rport_s *rport; /* parent rport */ 404 struct bfa_timer_s timer; /* general purpose timer */ 405 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ 406 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ 407 int rpsc_retries; /* max RPSC retry attempts */ 408 enum bfa_port_speed rpsc_speed; 409 /* Current Speed from RPSC. O if RPSC fails */ 410 enum bfa_port_speed assigned_speed; 411 /* 412 * Speed assigned by the user. will be used if RPSC is 413 * not supported by the rport. 414 */ 415 }; 416 417 struct bfa_fcs_rport_s { 418 struct list_head qe; /* used by port/vport */ 419 struct bfa_fcs_lport_s *port; /* parent FCS port */ 420 struct bfa_fcs_s *fcs; /* fcs instance */ 421 struct bfad_rport_s *rp_drv; /* driver peer instance */ 422 u32 pid; /* port ID of rport */ 423 u32 old_pid; /* PID before rport goes offline */ 424 u16 maxfrsize; /* maximum frame size */ 425 __be16 reply_oxid; /* OX_ID of inbound requests */ 426 enum fc_cos fc_cos; /* FC classes of service supp */ 427 bfa_boolean_t cisc; /* CISC capable device */ 428 bfa_boolean_t prlo; /* processing prlo or LOGO */ 429 bfa_boolean_t plogi_pending; /* Rx Plogi Pending */ 430 wwn_t pwwn; /* port wwn of rport */ 431 wwn_t nwwn; /* node wwn of rport */ 432 struct bfa_rport_symname_s psym_name; /* port symbolic name */ 433 bfa_sm_t sm; /* state machine */ 434 struct bfa_timer_s timer; /* general purpose timer */ 435 struct bfa_fcs_itnim_s *itnim; /* ITN initiator mode role */ 436 struct bfa_fcs_tin_s *tin; /* ITN initiator mode role */ 437 struct bfa_fcs_iprp_s *iprp; /* IP/FC role */ 438 struct bfa_rport_s *bfa_rport; /* BFA Rport */ 439 struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ 440 int plogi_retries; /* max plogi retry attempts */ 441 int ns_retries; /* max NS query retry attempts */ 442 struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ 443 struct bfa_rport_stats_s stats; /* rport stats */ 444 enum bfa_rport_function scsi_function; /* Initiator/Target */ 445 struct bfa_fcs_rpf_s rpf; /* Rport features module */ 446 bfa_boolean_t scn_online; /* SCN online flag */ 447 }; 448 449 static inline struct bfa_rport_s * bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s * rport)450 bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s *rport) 451 { 452 return rport->bfa_rport; 453 } 454 455 /* 456 * bfa fcs rport API functions 457 */ 458 void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, 459 struct bfa_rport_attr_s *attr); 460 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, 461 wwn_t rpwwn); 462 struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn( 463 struct bfa_fcs_lport_s *port, wwn_t rnwwn); 464 void bfa_fcs_rport_set_del_timeout(u8 rport_tmo); 465 void bfa_fcs_rport_set_max_logins(u32 max_logins); 466 void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, 467 struct fchs_s *fchs, u16 len); 468 void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport); 469 470 struct bfa_fcs_rport_s *bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, 471 u32 pid); 472 void bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, 473 struct fc_logi_s *plogi_rsp); 474 void bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, 475 struct fchs_s *rx_fchs, 476 struct fc_logi_s *plogi); 477 void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, 478 struct fc_logi_s *plogi); 479 void bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id); 480 481 void bfa_fcs_rport_itntm_ack(struct bfa_fcs_rport_s *rport); 482 void bfa_fcs_rport_fcptm_offline_done(struct bfa_fcs_rport_s *rport); 483 int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport); 484 struct bfa_fcs_rport_s *bfa_fcs_rport_create_by_wwn( 485 struct bfa_fcs_lport_s *port, wwn_t wwn); 486 void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport); 487 void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport); 488 void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport); 489 490 /* 491 * forward declarations 492 */ 493 struct bfad_itnim_s; 494 495 struct bfa_fcs_itnim_s { 496 bfa_sm_t sm; /* state machine */ 497 struct bfa_fcs_rport_s *rport; /* parent remote rport */ 498 struct bfad_itnim_s *itnim_drv; /* driver peer instance */ 499 struct bfa_fcs_s *fcs; /* fcs instance */ 500 struct bfa_timer_s timer; /* timer functions */ 501 struct bfa_itnim_s *bfa_itnim; /* BFA itnim struct */ 502 u32 prli_retries; /* max prli retry attempts */ 503 bfa_boolean_t seq_rec; /* seq recovery support */ 504 bfa_boolean_t rec_support; /* REC supported */ 505 bfa_boolean_t conf_comp; /* FCP_CONF support */ 506 bfa_boolean_t task_retry_id; /* task retry id supp */ 507 struct bfa_fcxp_wqe_s fcxp_wqe; /* wait qelem for fcxp */ 508 struct bfa_fcxp_s *fcxp; /* FCXP in use */ 509 struct bfa_itnim_stats_s stats; /* itn statistics */ 510 }; 511 #define bfa_fcs_fcxp_alloc(__fcs, __req) \ 512 bfa_fcxp_req_rsp_alloc(NULL, (__fcs)->bfa, 0, 0, \ 513 NULL, NULL, NULL, NULL, __req) 514 #define bfa_fcs_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \ 515 __alloc_cbarg, __req) \ 516 bfa_fcxp_req_rsp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \ 517 __alloc_cbarg, NULL, 0, 0, NULL, NULL, NULL, NULL, __req) 518 519 static inline struct bfad_port_s * bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s * itnim)520 bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s *itnim) 521 { 522 return itnim->rport->port->bfad_port; 523 } 524 525 526 static inline struct bfa_fcs_lport_s * bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s * itnim)527 bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s *itnim) 528 { 529 return itnim->rport->port; 530 } 531 532 533 static inline wwn_t bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s * itnim)534 bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s *itnim) 535 { 536 return itnim->rport->nwwn; 537 } 538 539 540 static inline wwn_t bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s * itnim)541 bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s *itnim) 542 { 543 return itnim->rport->pwwn; 544 } 545 546 547 static inline u32 bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s * itnim)548 bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s *itnim) 549 { 550 return itnim->rport->pid; 551 } 552 553 554 static inline u32 bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s * itnim)555 bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s *itnim) 556 { 557 return itnim->rport->maxfrsize; 558 } 559 560 561 static inline enum fc_cos bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s * itnim)562 bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s *itnim) 563 { 564 return itnim->rport->fc_cos; 565 } 566 567 568 static inline struct bfad_itnim_s * bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s * itnim)569 bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s *itnim) 570 { 571 return itnim->itnim_drv; 572 } 573 574 575 static inline struct bfa_itnim_s * bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s * itnim)576 bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s *itnim) 577 { 578 return itnim->bfa_itnim; 579 } 580 581 /* 582 * bfa fcs FCP Initiator mode API functions 583 */ 584 void bfa_fcs_itnim_get_attr(struct bfa_fcs_itnim_s *itnim, 585 struct bfa_itnim_attr_s *attr); 586 void bfa_fcs_itnim_get_stats(struct bfa_fcs_itnim_s *itnim, 587 struct bfa_itnim_stats_s *stats); 588 struct bfa_fcs_itnim_s *bfa_fcs_itnim_lookup(struct bfa_fcs_lport_s *port, 589 wwn_t rpwwn); 590 bfa_status_t bfa_fcs_itnim_attr_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, 591 struct bfa_itnim_attr_s *attr); 592 bfa_status_t bfa_fcs_itnim_stats_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, 593 struct bfa_itnim_stats_s *stats); 594 bfa_status_t bfa_fcs_itnim_stats_clear(struct bfa_fcs_lport_s *port, 595 wwn_t rpwwn); 596 struct bfa_fcs_itnim_s *bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport); 597 void bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim); 598 void bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim); 599 void bfa_fcs_itnim_brp_online(struct bfa_fcs_itnim_s *itnim); 600 bfa_status_t bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim); 601 void bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim); 602 void bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim, 603 struct fchs_s *fchs, u16 len); 604 605 #define BFA_FCS_FDMI_SUPP_SPEEDS_4G (FDMI_TRANS_SPEED_1G | \ 606 FDMI_TRANS_SPEED_2G | \ 607 FDMI_TRANS_SPEED_4G) 608 609 #define BFA_FCS_FDMI_SUPP_SPEEDS_8G (FDMI_TRANS_SPEED_1G | \ 610 FDMI_TRANS_SPEED_2G | \ 611 FDMI_TRANS_SPEED_4G | \ 612 FDMI_TRANS_SPEED_8G) 613 614 #define BFA_FCS_FDMI_SUPP_SPEEDS_16G (FDMI_TRANS_SPEED_2G | \ 615 FDMI_TRANS_SPEED_4G | \ 616 FDMI_TRANS_SPEED_8G | \ 617 FDMI_TRANS_SPEED_16G) 618 619 #define BFA_FCS_FDMI_SUPP_SPEEDS_10G FDMI_TRANS_SPEED_10G 620 621 #define BFA_FCS_FDMI_VENDOR_INFO_LEN 8 622 #define BFA_FCS_FDMI_FC4_TYPE_LEN 32 623 624 /* 625 * HBA Attribute Block : BFA internal representation. Note : Some variable 626 * sizes have been trimmed to suit BFA For Ex : Model will be "QLogic ". Based 627 * on this the size has been reduced to 16 bytes from the standard's 64 bytes. 628 */ 629 struct bfa_fcs_fdmi_hba_attr_s { 630 wwn_t node_name; 631 u8 manufacturer[64]; 632 u8 serial_num[64]; 633 u8 model[16]; 634 u8 model_desc[128]; 635 u8 hw_version[8]; 636 u8 driver_version[BFA_VERSION_LEN]; 637 u8 option_rom_ver[BFA_VERSION_LEN]; 638 u8 fw_version[BFA_VERSION_LEN]; 639 u8 os_name[256]; 640 __be32 max_ct_pyld; 641 struct bfa_lport_symname_s node_sym_name; 642 u8 vendor_info[BFA_FCS_FDMI_VENDOR_INFO_LEN]; 643 __be32 num_ports; 644 wwn_t fabric_name; 645 u8 bios_ver[BFA_VERSION_LEN]; 646 }; 647 648 /* 649 * Port Attribute Block 650 */ 651 struct bfa_fcs_fdmi_port_attr_s { 652 u8 supp_fc4_types[BFA_FCS_FDMI_FC4_TYPE_LEN]; 653 __be32 supp_speed; /* supported speed */ 654 __be32 curr_speed; /* current Speed */ 655 __be32 max_frm_size; /* max frame size */ 656 u8 os_device_name[256]; /* OS device Name */ 657 u8 host_name[256]; /* host name */ 658 wwn_t port_name; 659 wwn_t node_name; 660 struct bfa_lport_symname_s port_sym_name; 661 __be32 port_type; 662 enum fc_cos scos; 663 wwn_t port_fabric_name; 664 u8 port_act_fc4_type[BFA_FCS_FDMI_FC4_TYPE_LEN]; 665 __be32 port_state; 666 __be32 num_ports; 667 }; 668 669 struct bfa_fcs_stats_s { 670 struct { 671 u32 untagged; /* untagged receive frames */ 672 u32 tagged; /* tagged receive frames */ 673 u32 vfid_unknown; /* VF id is unknown */ 674 } uf; 675 }; 676 677 struct bfa_fcs_driver_info_s { 678 u8 version[BFA_VERSION_LEN]; /* Driver Version */ 679 u8 host_machine_name[BFA_FCS_OS_STR_LEN]; 680 u8 host_os_name[BFA_FCS_OS_STR_LEN]; /* OS name and version */ 681 u8 host_os_patch[BFA_FCS_OS_STR_LEN]; /* patch or service pack */ 682 u8 os_device_name[BFA_FCS_OS_STR_LEN]; /* Driver Device Name */ 683 }; 684 685 struct bfa_fcs_s { 686 struct bfa_s *bfa; /* corresponding BFA bfa instance */ 687 struct bfad_s *bfad; /* corresponding BDA driver instance */ 688 struct bfa_trc_mod_s *trcmod; /* tracing module */ 689 bfa_boolean_t vf_enabled; /* VF mode is enabled */ 690 bfa_boolean_t fdmi_enabled; /* FDMI is enabled */ 691 bfa_boolean_t min_cfg; /* min cfg enabled/disabled */ 692 u16 port_vfid; /* port default VF ID */ 693 struct bfa_fcs_driver_info_s driver_info; 694 struct bfa_fcs_fabric_s fabric; /* base fabric state machine */ 695 struct bfa_fcs_stats_s stats; /* FCS statistics */ 696 struct bfa_wc_s wc; /* waiting counter */ 697 int fcs_aen_seq; 698 u32 num_rport_logins; 699 }; 700 701 /* 702 * fcs_fabric_sm fabric state machine functions 703 */ 704 705 /* 706 * Fabric state machine events 707 */ 708 enum bfa_fcs_fabric_event { 709 BFA_FCS_FABRIC_SM_CREATE = 1, /* create from driver */ 710 BFA_FCS_FABRIC_SM_DELETE = 2, /* delete from driver */ 711 BFA_FCS_FABRIC_SM_LINK_DOWN = 3, /* link down from port */ 712 BFA_FCS_FABRIC_SM_LINK_UP = 4, /* link up from port */ 713 BFA_FCS_FABRIC_SM_CONT_OP = 5, /* flogi/auth continue op */ 714 BFA_FCS_FABRIC_SM_RETRY_OP = 6, /* flogi/auth retry op */ 715 BFA_FCS_FABRIC_SM_NO_FABRIC = 7, /* from flogi/auth */ 716 BFA_FCS_FABRIC_SM_PERF_EVFP = 8, /* from flogi/auth */ 717 BFA_FCS_FABRIC_SM_ISOLATE = 9, /* from EVFP processing */ 718 BFA_FCS_FABRIC_SM_NO_TAGGING = 10, /* no VFT tagging from EVFP */ 719 BFA_FCS_FABRIC_SM_DELAYED = 11, /* timeout delay event */ 720 BFA_FCS_FABRIC_SM_AUTH_FAILED = 12, /* auth failed */ 721 BFA_FCS_FABRIC_SM_AUTH_SUCCESS = 13, /* auth successful */ 722 BFA_FCS_FABRIC_SM_DELCOMP = 14, /* all vports deleted event */ 723 BFA_FCS_FABRIC_SM_LOOPBACK = 15, /* Received our own FLOGI */ 724 BFA_FCS_FABRIC_SM_START = 16, /* from driver */ 725 BFA_FCS_FABRIC_SM_STOP = 17, /* Stop from driver */ 726 BFA_FCS_FABRIC_SM_STOPCOMP = 18, /* Stop completion */ 727 BFA_FCS_FABRIC_SM_LOGOCOMP = 19, /* FLOGO completion */ 728 }; 729 730 /* 731 * fcs_rport_sm FCS rport state machine events 732 */ 733 734 enum rport_event { 735 RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ 736 RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ 737 RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ 738 RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ 739 RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ 740 RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ 741 RPSM_EVENT_DELETE = 7, /* RPORT delete request */ 742 RPSM_EVENT_FAB_SCN = 8, /* state change notification */ 743 RPSM_EVENT_ACCEPTED = 9, /* Good response from remote device */ 744 RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ 745 RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ 746 RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ 747 RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ 748 RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ 749 RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ 750 RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */ 751 RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */ 752 RPSM_EVENT_PLOGI_RETRY = 18, /* Retry PLOGI continuously */ 753 RPSM_EVENT_SCN_OFFLINE = 19, /* loop scn offline */ 754 RPSM_EVENT_SCN_ONLINE = 20, /* loop scn online */ 755 RPSM_EVENT_FC4_FCS_ONLINE = 21, /* FC-4 FCS online complete */ 756 }; 757 758 /* 759 * fcs_itnim_sm FCS itnim state machine events 760 */ 761 enum bfa_fcs_itnim_event { 762 BFA_FCS_ITNIM_SM_FCS_ONLINE = 1, /* rport online event */ 763 BFA_FCS_ITNIM_SM_OFFLINE = 2, /* rport offline */ 764 BFA_FCS_ITNIM_SM_FRMSENT = 3, /* prli frame is sent */ 765 BFA_FCS_ITNIM_SM_RSP_OK = 4, /* good response */ 766 BFA_FCS_ITNIM_SM_RSP_ERROR = 5, /* error response */ 767 BFA_FCS_ITNIM_SM_TIMEOUT = 6, /* delay timeout */ 768 BFA_FCS_ITNIM_SM_HCB_OFFLINE = 7, /* BFA online callback */ 769 BFA_FCS_ITNIM_SM_HCB_ONLINE = 8, /* BFA offline callback */ 770 BFA_FCS_ITNIM_SM_INITIATOR = 9, /* rport is initiator */ 771 BFA_FCS_ITNIM_SM_DELETE = 10, /* delete event from rport */ 772 BFA_FCS_ITNIM_SM_PRLO = 11, /* delete event from rport */ 773 BFA_FCS_ITNIM_SM_RSP_NOT_SUPP = 12, /* cmd not supported rsp */ 774 BFA_FCS_ITNIM_SM_HAL_ONLINE = 13, /* bfa rport online event */ 775 }; 776 777 /* 778 * bfa fcs API functions 779 */ 780 void bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, 781 struct bfad_s *bfad, 782 bfa_boolean_t min_cfg); 783 void bfa_fcs_init(struct bfa_fcs_s *fcs); 784 void bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs); 785 void bfa_fcs_update_cfg(struct bfa_fcs_s *fcs); 786 void bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, 787 struct bfa_fcs_driver_info_s *driver_info); 788 void bfa_fcs_exit(struct bfa_fcs_s *fcs); 789 void bfa_fcs_stop(struct bfa_fcs_s *fcs); 790 791 /* 792 * bfa fcs vf public functions 793 */ 794 bfa_fcs_vf_t *bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id); 795 void bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t vpwwn[], int *nports); 796 797 /* 798 * fabric protected interface functions 799 */ 800 void bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs); 801 void bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric); 802 void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric); 803 void bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, 804 struct bfa_fcs_vport_s *vport); 805 void bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, 806 struct bfa_fcs_vport_s *vport); 807 struct bfa_fcs_vport_s *bfa_fcs_fabric_vport_lookup( 808 struct bfa_fcs_fabric_s *fabric, wwn_t pwwn); 809 void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs); 810 void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, 811 struct fchs_s *fchs, u16 len); 812 void bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric); 813 void bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric); 814 void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, 815 wwn_t fabric_name); 816 u16 bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric); 817 void bfa_fcs_fabric_modstop(struct bfa_fcs_s *fcs); 818 void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, 819 enum bfa_fcs_fabric_event event); 820 void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, 821 enum bfa_fcs_fabric_event event); 822 void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, 823 enum bfa_fcs_fabric_event event); 824 825 /* 826 * BFA FCS callback interfaces 827 */ 828 829 /* 830 * fcb Main fcs callbacks 831 */ 832 833 struct bfad_port_s; 834 struct bfad_vf_s; 835 struct bfad_vport_s; 836 struct bfad_rport_s; 837 838 /* 839 * lport callbacks 840 */ 841 struct bfad_port_s *bfa_fcb_lport_new(struct bfad_s *bfad, 842 struct bfa_fcs_lport_s *port, 843 enum bfa_lport_role roles, 844 struct bfad_vf_s *vf_drv, 845 struct bfad_vport_s *vp_drv); 846 847 /* 848 * vport callbacks 849 */ 850 void bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s); 851 852 /* 853 * rport callbacks 854 */ 855 bfa_status_t bfa_fcb_rport_alloc(struct bfad_s *bfad, 856 struct bfa_fcs_rport_s **rport, 857 struct bfad_rport_s **rport_drv); 858 859 /* 860 * itnim callbacks 861 */ 862 int bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim, 863 struct bfad_itnim_s **itnim_drv); 864 void bfa_fcb_itnim_free(struct bfad_s *bfad, 865 struct bfad_itnim_s *itnim_drv); 866 void bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv); 867 void bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv); 868 869 #endif /* __BFA_FCS_H__ */ 870