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_SVC_H__ 19 #define __BFA_SVC_H__ 20 21 #include "bfa_cs.h" 22 #include "bfi_ms.h" 23 24 25 /* 26 * Scatter-gather DMA related defines 27 */ 28 #define BFA_SGPG_MIN (16) 29 #define BFA_SGPG_MAX (8192) 30 31 /* 32 * Alignment macro for SG page allocation 33 */ 34 #define BFA_SGPG_ROUNDUP(_l) (((_l) + (sizeof(struct bfi_sgpg_s) - 1)) \ 35 & ~(sizeof(struct bfi_sgpg_s) - 1)) 36 37 struct bfa_sgpg_wqe_s { 38 struct list_head qe; /* queue sg page element */ 39 int nsgpg; /* pages to be allocated */ 40 int nsgpg_total; /* total pages required */ 41 void (*cbfn) (void *cbarg); /* callback function */ 42 void *cbarg; /* callback arg */ 43 struct list_head sgpg_q; /* queue of alloced sgpgs */ 44 }; 45 46 struct bfa_sgpg_s { 47 struct list_head qe; /* queue sg page element */ 48 struct bfi_sgpg_s *sgpg; /* va of SG page */ 49 union bfi_addr_u sgpg_pa; /* pa of SG page */ 50 }; 51 52 /* 53 * Given number of SG elements, BFA_SGPG_NPAGE() returns the number of 54 * SG pages required. 55 */ 56 #define BFA_SGPG_NPAGE(_nsges) (((_nsges) / BFI_SGPG_DATA_SGES) + 1) 57 58 /* Max SGPG dma segs required */ 59 #define BFA_SGPG_DMA_SEGS \ 60 BFI_MEM_DMA_NSEGS(BFA_SGPG_MAX, (uint32_t)sizeof(struct bfi_sgpg_s)) 61 62 struct bfa_sgpg_mod_s { 63 struct bfa_s *bfa; 64 int num_sgpgs; /* number of SG pages */ 65 int free_sgpgs; /* number of free SG pages */ 66 struct list_head sgpg_q; /* queue of free SG pages */ 67 struct list_head sgpg_wait_q; /* wait queue for SG pages */ 68 struct bfa_mem_dma_s dma_seg[BFA_SGPG_DMA_SEGS]; 69 struct bfa_mem_kva_s kva_seg; 70 }; 71 #define BFA_SGPG_MOD(__bfa) (&(__bfa)->modules.sgpg_mod) 72 #define BFA_MEM_SGPG_KVA(__bfa) (&(BFA_SGPG_MOD(__bfa)->kva_seg)) 73 74 bfa_status_t bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, 75 int nsgpgs); 76 void bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs); 77 void bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe, 78 void (*cbfn) (void *cbarg), void *cbarg); 79 void bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpgs); 80 void bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe); 81 82 83 /* 84 * FCXP related defines 85 */ 86 #define BFA_FCXP_MIN (1) 87 #define BFA_FCXP_MAX (256) 88 #define BFA_FCXP_MAX_IBUF_SZ (2 * 1024 + 256) 89 #define BFA_FCXP_MAX_LBUF_SZ (4 * 1024 + 256) 90 91 /* Max FCXP dma segs required */ 92 #define BFA_FCXP_DMA_SEGS \ 93 BFI_MEM_DMA_NSEGS(BFA_FCXP_MAX, \ 94 (u32)BFA_FCXP_MAX_IBUF_SZ + BFA_FCXP_MAX_LBUF_SZ) 95 96 struct bfa_fcxp_mod_s { 97 struct bfa_s *bfa; /* backpointer to BFA */ 98 struct bfa_fcxp_s *fcxp_list; /* array of FCXPs */ 99 u16 num_fcxps; /* max num FCXP requests */ 100 struct list_head fcxp_req_free_q; /* free FCXPs used for sending req */ 101 struct list_head fcxp_rsp_free_q; /* free FCXPs used for sending req */ 102 struct list_head fcxp_active_q; /* active FCXPs */ 103 struct list_head req_wait_q; /* wait queue for free req_fcxp */ 104 struct list_head rsp_wait_q; /* wait queue for free rsp_fcxp */ 105 struct list_head fcxp_req_unused_q; /* unused req_fcxps */ 106 struct list_head fcxp_rsp_unused_q; /* unused rsp_fcxps */ 107 u32 req_pld_sz; 108 u32 rsp_pld_sz; 109 struct bfa_mem_dma_s dma_seg[BFA_FCXP_DMA_SEGS]; 110 struct bfa_mem_kva_s kva_seg; 111 }; 112 113 #define BFA_FCXP_MOD(__bfa) (&(__bfa)->modules.fcxp_mod) 114 #define BFA_FCXP_FROM_TAG(__mod, __tag) (&(__mod)->fcxp_list[__tag]) 115 #define BFA_MEM_FCXP_KVA(__bfa) (&(BFA_FCXP_MOD(__bfa)->kva_seg)) 116 117 typedef void (*fcxp_send_cb_t) (struct bfa_s *ioc, struct bfa_fcxp_s *fcxp, 118 void *cb_arg, bfa_status_t req_status, 119 u32 rsp_len, u32 resid_len, 120 struct fchs_s *rsp_fchs); 121 122 typedef u64 (*bfa_fcxp_get_sgaddr_t) (void *bfad_fcxp, int sgeid); 123 typedef u32 (*bfa_fcxp_get_sglen_t) (void *bfad_fcxp, int sgeid); 124 typedef void (*bfa_cb_fcxp_send_t) (void *bfad_fcxp, struct bfa_fcxp_s *fcxp, 125 void *cbarg, enum bfa_status req_status, 126 u32 rsp_len, u32 resid_len, 127 struct fchs_s *rsp_fchs); 128 typedef void (*bfa_fcxp_alloc_cbfn_t) (void *cbarg, struct bfa_fcxp_s *fcxp); 129 130 131 132 /* 133 * Information needed for a FCXP request 134 */ 135 struct bfa_fcxp_req_info_s { 136 struct bfa_rport_s *bfa_rport; 137 /* Pointer to the bfa rport that was 138 * returned from bfa_rport_create(). 139 * This could be left NULL for WKA or 140 * for FCXP interactions before the 141 * rport nexus is established 142 */ 143 struct fchs_s fchs; /* request FC header structure */ 144 u8 cts; /* continuous sequence */ 145 u8 class; /* FC class for the request/response */ 146 u16 max_frmsz; /* max send frame size */ 147 u16 vf_id; /* vsan tag if applicable */ 148 u8 lp_tag; /* lport tag */ 149 u32 req_tot_len; /* request payload total length */ 150 }; 151 152 struct bfa_fcxp_rsp_info_s { 153 struct fchs_s rsp_fchs; 154 /* Response frame's FC header will 155 * be sent back in this field */ 156 u8 rsp_timeout; 157 /* timeout in seconds, 0-no response */ 158 u8 rsvd2[3]; 159 u32 rsp_maxlen; /* max response length expected */ 160 }; 161 162 struct bfa_fcxp_s { 163 struct list_head qe; /* fcxp queue element */ 164 bfa_sm_t sm; /* state machine */ 165 void *caller; /* driver or fcs */ 166 struct bfa_fcxp_mod_s *fcxp_mod; 167 /* back pointer to fcxp mod */ 168 u16 fcxp_tag; /* internal tag */ 169 struct bfa_fcxp_req_info_s req_info; 170 /* request info */ 171 struct bfa_fcxp_rsp_info_s rsp_info; 172 /* response info */ 173 u8 use_ireqbuf; /* use internal req buf */ 174 u8 use_irspbuf; /* use internal rsp buf */ 175 u32 nreq_sgles; /* num request SGLEs */ 176 u32 nrsp_sgles; /* num response SGLEs */ 177 struct list_head req_sgpg_q; /* SG pages for request buf */ 178 struct list_head req_sgpg_wqe; /* wait queue for req SG page */ 179 struct list_head rsp_sgpg_q; /* SG pages for response buf */ 180 struct list_head rsp_sgpg_wqe; /* wait queue for rsp SG page */ 181 182 bfa_fcxp_get_sgaddr_t req_sga_cbfn; 183 /* SG elem addr user function */ 184 bfa_fcxp_get_sglen_t req_sglen_cbfn; 185 /* SG elem len user function */ 186 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn; 187 /* SG elem addr user function */ 188 bfa_fcxp_get_sglen_t rsp_sglen_cbfn; 189 /* SG elem len user function */ 190 bfa_cb_fcxp_send_t send_cbfn; /* send completion callback */ 191 void *send_cbarg; /* callback arg */ 192 struct bfa_sge_s req_sge[BFA_FCXP_MAX_SGES]; 193 /* req SG elems */ 194 struct bfa_sge_s rsp_sge[BFA_FCXP_MAX_SGES]; 195 /* rsp SG elems */ 196 u8 rsp_status; /* comp: rsp status */ 197 u32 rsp_len; /* comp: actual response len */ 198 u32 residue_len; /* comp: residual rsp length */ 199 struct fchs_s rsp_fchs; /* comp: response fchs */ 200 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */ 201 struct bfa_reqq_wait_s reqq_wqe; 202 bfa_boolean_t reqq_waiting; 203 bfa_boolean_t req_rsp; /* Used to track req/rsp fcxp */ 204 }; 205 206 struct bfa_fcxp_wqe_s { 207 struct list_head qe; 208 bfa_fcxp_alloc_cbfn_t alloc_cbfn; 209 void *alloc_cbarg; 210 void *caller; 211 struct bfa_s *bfa; 212 int nreq_sgles; 213 int nrsp_sgles; 214 bfa_fcxp_get_sgaddr_t req_sga_cbfn; 215 bfa_fcxp_get_sglen_t req_sglen_cbfn; 216 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn; 217 bfa_fcxp_get_sglen_t rsp_sglen_cbfn; 218 }; 219 220 #define BFA_FCXP_REQ_PLD(_fcxp) (bfa_fcxp_get_reqbuf(_fcxp)) 221 #define BFA_FCXP_RSP_FCHS(_fcxp) (&((_fcxp)->rsp_info.fchs)) 222 #define BFA_FCXP_RSP_PLD(_fcxp) (bfa_fcxp_get_rspbuf(_fcxp)) 223 224 #define BFA_FCXP_REQ_PLD_PA(_fcxp) \ 225 bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag, \ 226 (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz) 227 228 /* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */ 229 #define BFA_FCXP_RSP_PLD_PA(_fcxp) \ 230 (bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag, \ 231 (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz) + \ 232 (_fcxp)->fcxp_mod->req_pld_sz) 233 234 void bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); 235 236 237 /* 238 * RPORT related defines 239 */ 240 enum bfa_rport_event { 241 BFA_RPORT_SM_CREATE = 1, /* rport create event */ 242 BFA_RPORT_SM_DELETE = 2, /* deleting an existing rport */ 243 BFA_RPORT_SM_ONLINE = 3, /* rport is online */ 244 BFA_RPORT_SM_OFFLINE = 4, /* rport is offline */ 245 BFA_RPORT_SM_FWRSP = 5, /* firmware response */ 246 BFA_RPORT_SM_HWFAIL = 6, /* IOC h/w failure */ 247 BFA_RPORT_SM_QOS_SCN = 7, /* QoS SCN from firmware */ 248 BFA_RPORT_SM_SET_SPEED = 8, /* Set Rport Speed */ 249 BFA_RPORT_SM_QRESUME = 9, /* space in requeue queue */ 250 }; 251 252 #define BFA_RPORT_MIN 4 253 254 struct bfa_rport_mod_s { 255 struct bfa_rport_s *rps_list; /* list of rports */ 256 struct list_head rp_free_q; /* free bfa_rports */ 257 struct list_head rp_active_q; /* free bfa_rports */ 258 struct list_head rp_unused_q; /* unused bfa rports */ 259 u16 num_rports; /* number of rports */ 260 struct bfa_mem_kva_s kva_seg; 261 }; 262 263 #define BFA_RPORT_MOD(__bfa) (&(__bfa)->modules.rport_mod) 264 #define BFA_MEM_RPORT_KVA(__bfa) (&(BFA_RPORT_MOD(__bfa)->kva_seg)) 265 266 /* 267 * Convert rport tag to RPORT 268 */ 269 #define BFA_RPORT_FROM_TAG(__bfa, _tag) \ 270 (BFA_RPORT_MOD(__bfa)->rps_list + \ 271 ((_tag) & (BFA_RPORT_MOD(__bfa)->num_rports - 1))) 272 273 /* 274 * protected functions 275 */ 276 void bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); 277 void bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw); 278 279 /* 280 * BFA rport information. 281 */ 282 struct bfa_rport_info_s { 283 u16 max_frmsz; /* max rcv pdu size */ 284 u32 pid:24, /* remote port ID */ 285 lp_tag:8; /* tag */ 286 u32 local_pid:24, /* local port ID */ 287 cisc:8; /* CIRO supported */ 288 u8 fc_class; /* supported FC classes. enum fc_cos */ 289 u8 vf_en; /* virtual fabric enable */ 290 u16 vf_id; /* virtual fabric ID */ 291 enum bfa_port_speed speed; /* Rport's current speed */ 292 }; 293 294 /* 295 * BFA rport data structure 296 */ 297 struct bfa_rport_s { 298 struct list_head qe; /* queue element */ 299 bfa_sm_t sm; /* state machine */ 300 struct bfa_s *bfa; /* backpointer to BFA */ 301 void *rport_drv; /* fcs/driver rport object */ 302 u16 fw_handle; /* firmware rport handle */ 303 u16 rport_tag; /* BFA rport tag */ 304 u8 lun_mask; /* LUN mask flag */ 305 struct bfa_rport_info_s rport_info; /* rport info from fcs/driver */ 306 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ 307 struct bfa_cb_qe_s hcb_qe; /* BFA callback qelem */ 308 struct bfa_rport_hal_stats_s stats; /* BFA rport statistics */ 309 struct bfa_rport_qos_attr_s qos_attr; 310 union a { 311 bfa_status_t status; /* f/w status */ 312 void *fw_msg; /* QoS scn event */ 313 } event_arg; 314 }; 315 #define BFA_RPORT_FC_COS(_rport) ((_rport)->rport_info.fc_class) 316 317 318 /* 319 * UF - unsolicited receive related defines 320 */ 321 322 #define BFA_UF_MIN (4) 323 #define BFA_UF_MAX (256) 324 325 struct bfa_uf_s { 326 struct list_head qe; /* queue element */ 327 struct bfa_s *bfa; /* bfa instance */ 328 u16 uf_tag; /* identifying tag fw msgs */ 329 u16 vf_id; 330 u16 src_rport_handle; 331 u16 rsvd; 332 u8 *data_ptr; 333 u16 data_len; /* actual receive length */ 334 u16 pb_len; /* posted buffer length */ 335 void *buf_kva; /* buffer virtual address */ 336 u64 buf_pa; /* buffer physical address */ 337 struct bfa_cb_qe_s hcb_qe; /* comp: BFA comp qelem */ 338 struct bfa_sge_s sges[BFI_SGE_INLINE_MAX]; 339 }; 340 341 /* 342 * Callback prototype for unsolicited frame receive handler. 343 * 344 * @param[in] cbarg callback arg for receive handler 345 * @param[in] uf unsolicited frame descriptor 346 * 347 * @return None 348 */ 349 typedef void (*bfa_cb_uf_recv_t) (void *cbarg, struct bfa_uf_s *uf); 350 351 #define BFA_UF_BUFSZ (2 * 1024 + 256) 352 353 struct bfa_uf_buf_s { 354 u8 d[BFA_UF_BUFSZ]; 355 }; 356 357 #define BFA_PER_UF_DMA_SZ \ 358 (u32)BFA_ROUNDUP(sizeof(struct bfa_uf_buf_s), BFA_DMA_ALIGN_SZ) 359 360 /* Max UF dma segs required */ 361 #define BFA_UF_DMA_SEGS BFI_MEM_DMA_NSEGS(BFA_UF_MAX, BFA_PER_UF_DMA_SZ) 362 363 struct bfa_uf_mod_s { 364 struct bfa_s *bfa; /* back pointer to BFA */ 365 struct bfa_uf_s *uf_list; /* array of UFs */ 366 u16 num_ufs; /* num unsolicited rx frames */ 367 struct list_head uf_free_q; /* free UFs */ 368 struct list_head uf_posted_q; /* UFs posted to IOC */ 369 struct list_head uf_unused_q; /* unused UF's */ 370 struct bfi_uf_buf_post_s *uf_buf_posts; 371 /* pre-built UF post msgs */ 372 bfa_cb_uf_recv_t ufrecv; /* uf recv handler function */ 373 void *cbarg; /* uf receive handler arg */ 374 struct bfa_mem_dma_s dma_seg[BFA_UF_DMA_SEGS]; 375 struct bfa_mem_kva_s kva_seg; 376 }; 377 378 #define BFA_UF_MOD(__bfa) (&(__bfa)->modules.uf_mod) 379 #define BFA_MEM_UF_KVA(__bfa) (&(BFA_UF_MOD(__bfa)->kva_seg)) 380 381 #define ufm_pbs_pa(_ufmod, _uftag) \ 382 bfa_mem_get_dmabuf_pa(_ufmod, _uftag, BFA_PER_UF_DMA_SZ) 383 384 void bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); 385 void bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw); 386 387 /* 388 * LPS - bfa lport login/logout service interface 389 */ 390 struct bfa_lps_s { 391 struct list_head qe; /* queue element */ 392 struct bfa_s *bfa; /* parent bfa instance */ 393 bfa_sm_t sm; /* finite state machine */ 394 u8 bfa_tag; /* lport tag */ 395 u8 fw_tag; /* lport fw tag */ 396 u8 reqq; /* lport request queue */ 397 u8 alpa; /* ALPA for loop topologies */ 398 u32 lp_pid; /* lport port ID */ 399 bfa_boolean_t fdisc; /* snd FDISC instead of FLOGI */ 400 bfa_boolean_t auth_en; /* enable authentication */ 401 bfa_boolean_t auth_req; /* authentication required */ 402 bfa_boolean_t npiv_en; /* NPIV is allowed by peer */ 403 bfa_boolean_t fport; /* attached peer is F_PORT */ 404 bfa_boolean_t brcd_switch; /* attached peer is brcd sw */ 405 bfa_status_t status; /* login status */ 406 u16 pdusz; /* max receive PDU size */ 407 u16 pr_bbcred; /* BB_CREDIT from peer */ 408 u8 pr_bbscn; /* BB_SCN from peer */ 409 u8 bb_scn; /* local BB_SCN */ 410 u8 lsrjt_rsn; /* LSRJT reason */ 411 u8 lsrjt_expl; /* LSRJT explanation */ 412 u8 lun_mask; /* LUN mask flag */ 413 wwn_t pwwn; /* port wwn of lport */ 414 wwn_t nwwn; /* node wwn of lport */ 415 wwn_t pr_pwwn; /* port wwn of lport peer */ 416 wwn_t pr_nwwn; /* node wwn of lport peer */ 417 mac_t lp_mac; /* fpma/spma MAC for lport */ 418 mac_t fcf_mac; /* FCF MAC of lport */ 419 struct bfa_reqq_wait_s wqe; /* request wait queue element */ 420 void *uarg; /* user callback arg */ 421 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */ 422 struct bfi_lps_login_rsp_s *loginrsp; 423 bfa_eproto_status_t ext_status; 424 }; 425 426 struct bfa_lps_mod_s { 427 struct list_head lps_free_q; 428 struct list_head lps_active_q; 429 struct list_head lps_login_q; 430 struct bfa_lps_s *lps_arr; 431 int num_lps; 432 struct bfa_mem_kva_s kva_seg; 433 }; 434 435 #define BFA_LPS_MOD(__bfa) (&(__bfa)->modules.lps_mod) 436 #define BFA_LPS_FROM_TAG(__mod, __tag) (&(__mod)->lps_arr[__tag]) 437 #define BFA_MEM_LPS_KVA(__bfa) (&(BFA_LPS_MOD(__bfa)->kva_seg)) 438 439 /* 440 * external functions 441 */ 442 void bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); 443 444 445 /* 446 * FCPORT related defines 447 */ 448 449 #define BFA_FCPORT(_bfa) (&((_bfa)->modules.port)) 450 451 /* 452 * Link notification data structure 453 */ 454 struct bfa_fcport_ln_s { 455 struct bfa_fcport_s *fcport; 456 bfa_sm_t sm; 457 struct bfa_cb_qe_s ln_qe; /* BFA callback queue elem for ln */ 458 enum bfa_port_linkstate ln_event; /* ln event for callback */ 459 }; 460 461 struct bfa_fcport_trunk_s { 462 struct bfa_trunk_attr_s attr; 463 }; 464 465 /* 466 * BFA FC port data structure 467 */ 468 struct bfa_fcport_s { 469 struct bfa_s *bfa; /* parent BFA instance */ 470 bfa_sm_t sm; /* port state machine */ 471 wwn_t nwwn; /* node wwn of physical port */ 472 wwn_t pwwn; /* port wwn of physical oprt */ 473 enum bfa_port_speed speed_sup; 474 /* supported speeds */ 475 enum bfa_port_speed speed; /* current speed */ 476 enum bfa_port_topology topology; /* current topology */ 477 u8 rsvd[3]; 478 u8 myalpa; /* my ALPA in LOOP topology */ 479 u8 alpabm_valid; /* alpa bitmap valid or not */ 480 struct fc_alpabm_s alpabm; /* alpa bitmap */ 481 struct bfa_port_cfg_s cfg; /* current port configuration */ 482 bfa_boolean_t use_flash_cfg; /* get port cfg from flash */ 483 struct bfa_qos_attr_s qos_attr; /* QoS Attributes */ 484 struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */ 485 struct bfa_reqq_wait_s reqq_wait; 486 /* to wait for room in reqq */ 487 struct bfa_reqq_wait_s svcreq_wait; 488 /* to wait for room in reqq */ 489 struct bfa_reqq_wait_s stats_reqq_wait; 490 /* to wait for room in reqq (stats) */ 491 void *event_cbarg; 492 void (*event_cbfn) (void *cbarg, 493 enum bfa_port_linkstate event); 494 union { 495 union bfi_fcport_i2h_msg_u i2hmsg; 496 } event_arg; 497 void *bfad; /* BFA driver handle */ 498 struct bfa_fcport_ln_s ln; /* Link Notification */ 499 struct bfa_cb_qe_s hcb_qe; /* BFA callback queue elem */ 500 struct bfa_timer_s timer; /* timer */ 501 u32 msgtag; /* fimrware msg tag for reply */ 502 u8 *stats_kva; 503 u64 stats_pa; 504 union bfa_fcport_stats_u *stats; 505 bfa_status_t stats_status; /* stats/statsclr status */ 506 struct list_head stats_pending_q; 507 struct list_head statsclr_pending_q; 508 bfa_boolean_t stats_qfull; 509 u32 stats_reset_time; /* stats reset time stamp */ 510 bfa_boolean_t diag_busy; /* diag busy status */ 511 bfa_boolean_t beacon; /* port beacon status */ 512 bfa_boolean_t link_e2e_beacon; /* link beacon status */ 513 bfa_boolean_t bbsc_op_state; /* Cred recov Oper State */ 514 struct bfa_fcport_trunk_s trunk; 515 u16 fcoe_vlan; 516 struct bfa_mem_dma_s fcport_dma; 517 bfa_boolean_t stats_dma_ready; 518 }; 519 520 #define BFA_FCPORT_MOD(__bfa) (&(__bfa)->modules.fcport) 521 #define BFA_MEM_FCPORT_DMA(__bfa) (&(BFA_FCPORT_MOD(__bfa)->fcport_dma)) 522 523 /* 524 * protected functions 525 */ 526 void bfa_fcport_init(struct bfa_s *bfa); 527 void bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); 528 529 /* 530 * bfa fcport API functions 531 */ 532 bfa_status_t bfa_fcport_enable(struct bfa_s *bfa); 533 bfa_status_t bfa_fcport_disable(struct bfa_s *bfa); 534 bfa_status_t bfa_fcport_cfg_speed(struct bfa_s *bfa, 535 enum bfa_port_speed speed); 536 enum bfa_port_speed bfa_fcport_get_speed(struct bfa_s *bfa); 537 bfa_status_t bfa_fcport_cfg_topology(struct bfa_s *bfa, 538 enum bfa_port_topology topo); 539 enum bfa_port_topology bfa_fcport_get_topology(struct bfa_s *bfa); 540 enum bfa_port_topology bfa_fcport_get_cfg_topology(struct bfa_s *bfa); 541 bfa_status_t bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa); 542 bfa_boolean_t bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa); 543 u8 bfa_fcport_get_myalpa(struct bfa_s *bfa); 544 bfa_status_t bfa_fcport_clr_hardalpa(struct bfa_s *bfa); 545 bfa_status_t bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxsize); 546 u16 bfa_fcport_get_maxfrsize(struct bfa_s *bfa); 547 u8 bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa); 548 void bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr); 549 wwn_t bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node); 550 void bfa_fcport_event_register(struct bfa_s *bfa, 551 void (*event_cbfn) (void *cbarg, 552 enum bfa_port_linkstate event), void *event_cbarg); 553 bfa_boolean_t bfa_fcport_is_disabled(struct bfa_s *bfa); 554 bfa_boolean_t bfa_fcport_is_dport(struct bfa_s *bfa); 555 bfa_status_t bfa_fcport_set_qos_bw(struct bfa_s *bfa, 556 struct bfa_qos_bw_s *qos_bw); 557 enum bfa_port_speed bfa_fcport_get_ratelim_speed(struct bfa_s *bfa); 558 559 void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit, u8 bb_scn); 560 bfa_boolean_t bfa_fcport_is_ratelim(struct bfa_s *bfa); 561 void bfa_fcport_beacon(void *dev, bfa_boolean_t beacon, 562 bfa_boolean_t link_e2e_beacon); 563 bfa_boolean_t bfa_fcport_is_linkup(struct bfa_s *bfa); 564 bfa_status_t bfa_fcport_get_stats(struct bfa_s *bfa, 565 struct bfa_cb_pending_q_s *cb); 566 bfa_status_t bfa_fcport_clear_stats(struct bfa_s *bfa, 567 struct bfa_cb_pending_q_s *cb); 568 bfa_boolean_t bfa_fcport_is_qos_enabled(struct bfa_s *bfa); 569 bfa_boolean_t bfa_fcport_is_trunk_enabled(struct bfa_s *bfa); 570 void bfa_fcport_dportenable(struct bfa_s *bfa); 571 void bfa_fcport_dportdisable(struct bfa_s *bfa); 572 bfa_status_t bfa_fcport_is_pbcdisabled(struct bfa_s *bfa); 573 void bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state); 574 575 /* 576 * bfa rport API functions 577 */ 578 struct bfa_rport_s *bfa_rport_create(struct bfa_s *bfa, void *rport_drv); 579 void bfa_rport_online(struct bfa_rport_s *rport, 580 struct bfa_rport_info_s *rport_info); 581 void bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed); 582 void bfa_cb_rport_online(void *rport); 583 void bfa_cb_rport_offline(void *rport); 584 void bfa_cb_rport_qos_scn_flowid(void *rport, 585 struct bfa_rport_qos_attr_s old_qos_attr, 586 struct bfa_rport_qos_attr_s new_qos_attr); 587 void bfa_cb_rport_scn_online(struct bfa_s *bfa); 588 void bfa_cb_rport_scn_offline(struct bfa_s *bfa); 589 void bfa_cb_rport_scn_no_dev(void *rp); 590 void bfa_cb_rport_qos_scn_prio(void *rport, 591 struct bfa_rport_qos_attr_s old_qos_attr, 592 struct bfa_rport_qos_attr_s new_qos_attr); 593 594 /* 595 * Rport LUN masking related 596 */ 597 #define BFA_RPORT_TAG_INVALID 0xffff 598 #define BFA_LP_TAG_INVALID 0xff 599 void bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp); 600 void bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp); 601 602 /* 603 * bfa fcxp API functions 604 */ 605 struct bfa_fcxp_s *bfa_fcxp_req_rsp_alloc(void *bfad_fcxp, struct bfa_s *bfa, 606 int nreq_sgles, int nrsp_sgles, 607 bfa_fcxp_get_sgaddr_t get_req_sga, 608 bfa_fcxp_get_sglen_t get_req_sglen, 609 bfa_fcxp_get_sgaddr_t get_rsp_sga, 610 bfa_fcxp_get_sglen_t get_rsp_sglen, 611 bfa_boolean_t req); 612 void bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe, 613 bfa_fcxp_alloc_cbfn_t alloc_cbfn, 614 void *cbarg, void *bfad_fcxp, 615 int nreq_sgles, int nrsp_sgles, 616 bfa_fcxp_get_sgaddr_t get_req_sga, 617 bfa_fcxp_get_sglen_t get_req_sglen, 618 bfa_fcxp_get_sgaddr_t get_rsp_sga, 619 bfa_fcxp_get_sglen_t get_rsp_sglen, 620 bfa_boolean_t req); 621 void bfa_fcxp_walloc_cancel(struct bfa_s *bfa, 622 struct bfa_fcxp_wqe_s *wqe); 623 void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp); 624 625 void *bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp); 626 void *bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp); 627 628 void bfa_fcxp_free(struct bfa_fcxp_s *fcxp); 629 630 void bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport, 631 u16 vf_id, u8 lp_tag, 632 bfa_boolean_t cts, enum fc_cos cos, 633 u32 reqlen, struct fchs_s *fchs, 634 bfa_cb_fcxp_send_t cbfn, 635 void *cbarg, 636 u32 rsp_maxlen, u8 rsp_timeout); 637 bfa_status_t bfa_fcxp_abort(struct bfa_fcxp_s *fcxp); 638 u32 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp); 639 u32 bfa_fcxp_get_maxrsp(struct bfa_s *bfa); 640 void bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw); 641 642 static inline void * 643 bfa_uf_get_frmbuf(struct bfa_uf_s *uf) 644 { 645 return uf->data_ptr; 646 } 647 648 static inline u16 649 bfa_uf_get_frmlen(struct bfa_uf_s *uf) 650 { 651 return uf->data_len; 652 } 653 654 /* 655 * bfa uf API functions 656 */ 657 void bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv, 658 void *cbarg); 659 void bfa_uf_free(struct bfa_uf_s *uf); 660 661 /* 662 * bfa lport service api 663 */ 664 665 u32 bfa_lps_get_max_vport(struct bfa_s *bfa); 666 struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa); 667 void bfa_lps_delete(struct bfa_lps_s *lps); 668 void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, 669 u16 pdusz, wwn_t pwwn, wwn_t nwwn, 670 bfa_boolean_t auth_en, u8 bb_scn); 671 void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, 672 wwn_t pwwn, wwn_t nwwn); 673 void bfa_lps_fdisclogo(struct bfa_lps_s *lps); 674 void bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, u32 n2n_pid); 675 u8 bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag); 676 u32 bfa_lps_get_base_pid(struct bfa_s *bfa); 677 u8 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid); 678 void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status); 679 void bfa_cb_lps_flogo_comp(void *bfad, void *uarg); 680 void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status); 681 void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg); 682 void bfa_cb_lps_cvl_event(void *bfad, void *uarg); 683 684 /* FAA specific APIs */ 685 bfa_status_t bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr, 686 bfa_cb_iocfc_t cbfn, void *cbarg); 687 688 /* 689 * FC DIAG data structure 690 */ 691 struct bfa_fcdiag_qtest_s { 692 struct bfa_diag_qtest_result_s *result; 693 bfa_cb_diag_t cbfn; 694 void *cbarg; 695 struct bfa_timer_s timer; 696 u32 status; 697 u32 count; 698 u8 lock; 699 u8 queue; 700 u8 all; 701 u8 timer_active; 702 }; 703 704 struct bfa_fcdiag_lb_s { 705 bfa_cb_diag_t cbfn; 706 void *cbarg; 707 void *result; 708 bfa_boolean_t lock; 709 u32 status; 710 }; 711 712 struct bfa_dport_s { 713 struct bfa_s *bfa; /* Back pointer to BFA */ 714 bfa_sm_t sm; /* finite state machine */ 715 u32 msgtag; /* firmware msg tag for reply */ 716 struct bfa_reqq_wait_s reqq_wait; 717 bfa_cb_diag_t cbfn; 718 void *cbarg; 719 }; 720 721 struct bfa_fcdiag_s { 722 struct bfa_s *bfa; /* Back pointer to BFA */ 723 struct bfa_trc_mod_s *trcmod; 724 struct bfa_fcdiag_lb_s lb; 725 struct bfa_fcdiag_qtest_s qtest; 726 struct bfa_dport_s dport; 727 }; 728 729 #define BFA_FCDIAG_MOD(__bfa) (&(__bfa)->modules.fcdiag) 730 731 void bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg); 732 733 bfa_status_t bfa_fcdiag_loopback(struct bfa_s *bfa, 734 enum bfa_port_opmode opmode, 735 enum bfa_port_speed speed, u32 lpcnt, u32 pat, 736 struct bfa_diag_loopback_result_s *result, 737 bfa_cb_diag_t cbfn, void *cbarg); 738 bfa_status_t bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 ignore, 739 u32 queue, struct bfa_diag_qtest_result_s *result, 740 bfa_cb_diag_t cbfn, void *cbarg); 741 bfa_status_t bfa_fcdiag_lb_is_running(struct bfa_s *bfa); 742 bfa_status_t bfa_dport_enable(struct bfa_s *bfa, bfa_cb_diag_t cbfn, 743 void *cbarg); 744 bfa_status_t bfa_dport_disable(struct bfa_s *bfa, bfa_cb_diag_t cbfn, 745 void *cbarg); 746 bfa_status_t bfa_dport_get_state(struct bfa_s *bfa, 747 enum bfa_dport_state *state); 748 749 #endif /* __BFA_SVC_H__ */ 750