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_SVC_H__ 20 #define __BFA_SVC_H__ 21 22 #include "bfa_cs.h" 23 #include "bfi_ms.h" 24 25 26 /* 27 * Scatter-gather DMA related defines 28 */ 29 #define BFA_SGPG_MIN (16) 30 #define BFA_SGPG_MAX (8192) 31 32 /* 33 * Alignment macro for SG page allocation 34 */ 35 #define BFA_SGPG_ROUNDUP(_l) (((_l) + (sizeof(struct bfi_sgpg_s) - 1)) \ 36 & ~(sizeof(struct bfi_sgpg_s) - 1)) 37 38 struct bfa_sgpg_wqe_s { 39 struct list_head qe; /* queue sg page element */ 40 int nsgpg; /* pages to be allocated */ 41 int nsgpg_total; /* total pages required */ 42 void (*cbfn) (void *cbarg); /* callback function */ 43 void *cbarg; /* callback arg */ 44 struct list_head sgpg_q; /* queue of alloced sgpgs */ 45 }; 46 47 struct bfa_sgpg_s { 48 struct list_head qe; /* queue sg page element */ 49 struct bfi_sgpg_s *sgpg; /* va of SG page */ 50 union bfi_addr_u sgpg_pa; /* pa of SG page */ 51 }; 52 53 /* 54 * Given number of SG elements, BFA_SGPG_NPAGE() returns the number of 55 * SG pages required. 56 */ 57 #define BFA_SGPG_NPAGE(_nsges) (((_nsges) / BFI_SGPG_DATA_SGES) + 1) 58 59 /* Max SGPG dma segs required */ 60 #define BFA_SGPG_DMA_SEGS \ 61 BFI_MEM_DMA_NSEGS(BFA_SGPG_MAX, (uint32_t)sizeof(struct bfi_sgpg_s)) 62 63 struct bfa_sgpg_mod_s { 64 struct bfa_s *bfa; 65 int num_sgpgs; /* number of SG pages */ 66 int free_sgpgs; /* number of free SG pages */ 67 struct list_head sgpg_q; /* queue of free SG pages */ 68 struct list_head sgpg_wait_q; /* wait queue for SG pages */ 69 struct bfa_mem_dma_s dma_seg[BFA_SGPG_DMA_SEGS]; 70 struct bfa_mem_kva_s kva_seg; 71 }; 72 #define BFA_SGPG_MOD(__bfa) (&(__bfa)->modules.sgpg_mod) 73 #define BFA_MEM_SGPG_KVA(__bfa) (&(BFA_SGPG_MOD(__bfa)->kva_seg)) 74 75 bfa_status_t bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, 76 int nsgpgs); 77 void bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs); 78 void bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe, 79 void (*cbfn) (void *cbarg), void *cbarg); 80 void bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpgs); 81 void bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe); 82 83 84 /* 85 * FCXP related defines 86 */ 87 #define BFA_FCXP_MIN (1) 88 #define BFA_FCXP_MAX (256) 89 #define BFA_FCXP_MAX_IBUF_SZ (2 * 1024 + 256) 90 #define BFA_FCXP_MAX_LBUF_SZ (4 * 1024 + 256) 91 92 /* Max FCXP dma segs required */ 93 #define BFA_FCXP_DMA_SEGS \ 94 BFI_MEM_DMA_NSEGS(BFA_FCXP_MAX, \ 95 (u32)BFA_FCXP_MAX_IBUF_SZ + BFA_FCXP_MAX_LBUF_SZ) 96 97 struct bfa_fcxp_mod_s { 98 struct bfa_s *bfa; /* backpointer to BFA */ 99 struct bfa_fcxp_s *fcxp_list; /* array of FCXPs */ 100 u16 num_fcxps; /* max num FCXP requests */ 101 struct list_head fcxp_req_free_q; /* free FCXPs used for sending req */ 102 struct list_head fcxp_rsp_free_q; /* free FCXPs used for sending req */ 103 struct list_head fcxp_active_q; /* active FCXPs */ 104 struct list_head req_wait_q; /* wait queue for free req_fcxp */ 105 struct list_head rsp_wait_q; /* wait queue for free rsp_fcxp */ 106 struct list_head fcxp_req_unused_q; /* unused req_fcxps */ 107 struct list_head fcxp_rsp_unused_q; /* unused rsp_fcxps */ 108 u32 req_pld_sz; 109 u32 rsp_pld_sz; 110 struct bfa_mem_dma_s dma_seg[BFA_FCXP_DMA_SEGS]; 111 struct bfa_mem_kva_s kva_seg; 112 }; 113 114 #define BFA_FCXP_MOD(__bfa) (&(__bfa)->modules.fcxp_mod) 115 #define BFA_FCXP_FROM_TAG(__mod, __tag) (&(__mod)->fcxp_list[__tag]) 116 #define BFA_MEM_FCXP_KVA(__bfa) (&(BFA_FCXP_MOD(__bfa)->kva_seg)) 117 118 typedef void (*fcxp_send_cb_t) (struct bfa_s *ioc, struct bfa_fcxp_s *fcxp, 119 void *cb_arg, bfa_status_t req_status, 120 u32 rsp_len, u32 resid_len, 121 struct fchs_s *rsp_fchs); 122 123 typedef u64 (*bfa_fcxp_get_sgaddr_t) (void *bfad_fcxp, int sgeid); 124 typedef u32 (*bfa_fcxp_get_sglen_t) (void *bfad_fcxp, int sgeid); 125 typedef void (*bfa_cb_fcxp_send_t) (void *bfad_fcxp, struct bfa_fcxp_s *fcxp, 126 void *cbarg, enum bfa_status req_status, 127 u32 rsp_len, u32 resid_len, 128 struct fchs_s *rsp_fchs); 129 typedef void (*bfa_fcxp_alloc_cbfn_t) (void *cbarg, struct bfa_fcxp_s *fcxp); 130 131 132 133 /* 134 * Information needed for a FCXP request 135 */ 136 struct bfa_fcxp_req_info_s { 137 struct bfa_rport_s *bfa_rport; 138 /* Pointer to the bfa rport that was 139 * returned from bfa_rport_create(). 140 * This could be left NULL for WKA or 141 * for FCXP interactions before the 142 * rport nexus is established 143 */ 144 struct fchs_s fchs; /* request FC header structure */ 145 u8 cts; /* continuous sequence */ 146 u8 class; /* FC class for the request/response */ 147 u16 max_frmsz; /* max send frame size */ 148 u16 vf_id; /* vsan tag if applicable */ 149 u8 lp_tag; /* lport tag */ 150 u32 req_tot_len; /* request payload total length */ 151 }; 152 153 struct bfa_fcxp_rsp_info_s { 154 struct fchs_s rsp_fchs; 155 /* Response frame's FC header will 156 * be sent back in this field */ 157 u8 rsp_timeout; 158 /* timeout in seconds, 0-no response */ 159 u8 rsvd2[3]; 160 u32 rsp_maxlen; /* max response length expected */ 161 }; 162 163 struct bfa_fcxp_s { 164 struct list_head qe; /* fcxp queue element */ 165 bfa_sm_t sm; /* state machine */ 166 void *caller; /* driver or fcs */ 167 struct bfa_fcxp_mod_s *fcxp_mod; 168 /* back pointer to fcxp mod */ 169 u16 fcxp_tag; /* internal tag */ 170 struct bfa_fcxp_req_info_s req_info; 171 /* request info */ 172 struct bfa_fcxp_rsp_info_s rsp_info; 173 /* response info */ 174 u8 use_ireqbuf; /* use internal req buf */ 175 u8 use_irspbuf; /* use internal rsp buf */ 176 u32 nreq_sgles; /* num request SGLEs */ 177 u32 nrsp_sgles; /* num response SGLEs */ 178 struct list_head req_sgpg_q; /* SG pages for request buf */ 179 struct list_head req_sgpg_wqe; /* wait queue for req SG page */ 180 struct list_head rsp_sgpg_q; /* SG pages for response buf */ 181 struct list_head rsp_sgpg_wqe; /* wait queue for rsp SG page */ 182 183 bfa_fcxp_get_sgaddr_t req_sga_cbfn; 184 /* SG elem addr user function */ 185 bfa_fcxp_get_sglen_t req_sglen_cbfn; 186 /* SG elem len user function */ 187 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn; 188 /* SG elem addr user function */ 189 bfa_fcxp_get_sglen_t rsp_sglen_cbfn; 190 /* SG elem len user function */ 191 bfa_cb_fcxp_send_t send_cbfn; /* send completion callback */ 192 void *send_cbarg; /* callback arg */ 193 struct bfa_sge_s req_sge[BFA_FCXP_MAX_SGES]; 194 /* req SG elems */ 195 struct bfa_sge_s rsp_sge[BFA_FCXP_MAX_SGES]; 196 /* rsp SG elems */ 197 u8 rsp_status; /* comp: rsp status */ 198 u32 rsp_len; /* comp: actual response len */ 199 u32 residue_len; /* comp: residual rsp length */ 200 struct fchs_s rsp_fchs; /* comp: response fchs */ 201 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */ 202 struct bfa_reqq_wait_s reqq_wqe; 203 bfa_boolean_t reqq_waiting; 204 bfa_boolean_t req_rsp; /* Used to track req/rsp fcxp */ 205 }; 206 207 struct bfa_fcxp_wqe_s { 208 struct list_head qe; 209 bfa_fcxp_alloc_cbfn_t alloc_cbfn; 210 void *alloc_cbarg; 211 void *caller; 212 struct bfa_s *bfa; 213 int nreq_sgles; 214 int nrsp_sgles; 215 bfa_fcxp_get_sgaddr_t req_sga_cbfn; 216 bfa_fcxp_get_sglen_t req_sglen_cbfn; 217 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn; 218 bfa_fcxp_get_sglen_t rsp_sglen_cbfn; 219 }; 220 221 #define BFA_FCXP_REQ_PLD(_fcxp) (bfa_fcxp_get_reqbuf(_fcxp)) 222 #define BFA_FCXP_RSP_FCHS(_fcxp) (&((_fcxp)->rsp_info.fchs)) 223 #define BFA_FCXP_RSP_PLD(_fcxp) (bfa_fcxp_get_rspbuf(_fcxp)) 224 225 #define BFA_FCXP_REQ_PLD_PA(_fcxp) \ 226 bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag, \ 227 (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz) 228 229 /* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */ 230 #define BFA_FCXP_RSP_PLD_PA(_fcxp) \ 231 (bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag, \ 232 (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz) + \ 233 (_fcxp)->fcxp_mod->req_pld_sz) 234 235 void bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); 236 237 238 /* 239 * RPORT related defines 240 */ 241 enum bfa_rport_event { 242 BFA_RPORT_SM_CREATE = 1, /* rport create event */ 243 BFA_RPORT_SM_DELETE = 2, /* deleting an existing rport */ 244 BFA_RPORT_SM_ONLINE = 3, /* rport is online */ 245 BFA_RPORT_SM_OFFLINE = 4, /* rport is offline */ 246 BFA_RPORT_SM_FWRSP = 5, /* firmware response */ 247 BFA_RPORT_SM_HWFAIL = 6, /* IOC h/w failure */ 248 BFA_RPORT_SM_QOS_SCN = 7, /* QoS SCN from firmware */ 249 BFA_RPORT_SM_SET_SPEED = 8, /* Set Rport Speed */ 250 BFA_RPORT_SM_QRESUME = 9, /* space in requeue queue */ 251 }; 252 253 #define BFA_RPORT_MIN 4 254 255 struct bfa_rport_mod_s { 256 struct bfa_rport_s *rps_list; /* list of rports */ 257 struct list_head rp_free_q; /* free bfa_rports */ 258 struct list_head rp_active_q; /* free bfa_rports */ 259 struct list_head rp_unused_q; /* unused bfa rports */ 260 u16 num_rports; /* number of rports */ 261 struct bfa_mem_kva_s kva_seg; 262 }; 263 264 #define BFA_RPORT_MOD(__bfa) (&(__bfa)->modules.rport_mod) 265 #define BFA_MEM_RPORT_KVA(__bfa) (&(BFA_RPORT_MOD(__bfa)->kva_seg)) 266 267 /* 268 * Convert rport tag to RPORT 269 */ 270 #define BFA_RPORT_FROM_TAG(__bfa, _tag) \ 271 (BFA_RPORT_MOD(__bfa)->rps_list + \ 272 ((_tag) & (BFA_RPORT_MOD(__bfa)->num_rports - 1))) 273 274 /* 275 * protected functions 276 */ 277 void bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); 278 void bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw); 279 280 /* 281 * BFA rport information. 282 */ 283 struct bfa_rport_info_s { 284 u16 max_frmsz; /* max rcv pdu size */ 285 u32 pid:24, /* remote port ID */ 286 lp_tag:8; /* tag */ 287 u32 local_pid:24, /* local port ID */ 288 cisc:8; /* CIRO supported */ 289 u8 fc_class; /* supported FC classes. enum fc_cos */ 290 u8 vf_en; /* virtual fabric enable */ 291 u16 vf_id; /* virtual fabric ID */ 292 enum bfa_port_speed speed; /* Rport's current speed */ 293 }; 294 295 /* 296 * BFA rport data structure 297 */ 298 struct bfa_rport_s { 299 struct list_head qe; /* queue element */ 300 bfa_sm_t sm; /* state machine */ 301 struct bfa_s *bfa; /* backpointer to BFA */ 302 void *rport_drv; /* fcs/driver rport object */ 303 u16 fw_handle; /* firmware rport handle */ 304 u16 rport_tag; /* BFA rport tag */ 305 u8 lun_mask; /* LUN mask flag */ 306 struct bfa_rport_info_s rport_info; /* rport info from fcs/driver */ 307 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ 308 struct bfa_cb_qe_s hcb_qe; /* BFA callback qelem */ 309 struct bfa_rport_hal_stats_s stats; /* BFA rport statistics */ 310 struct bfa_rport_qos_attr_s qos_attr; 311 union a { 312 bfa_status_t status; /* f/w status */ 313 void *fw_msg; /* QoS scn event */ 314 } event_arg; 315 }; 316 #define BFA_RPORT_FC_COS(_rport) ((_rport)->rport_info.fc_class) 317 318 319 /* 320 * UF - unsolicited receive related defines 321 */ 322 323 #define BFA_UF_MIN (4) 324 #define BFA_UF_MAX (256) 325 326 struct bfa_uf_s { 327 struct list_head qe; /* queue element */ 328 struct bfa_s *bfa; /* bfa instance */ 329 u16 uf_tag; /* identifying tag fw msgs */ 330 u16 vf_id; 331 u16 src_rport_handle; 332 u16 rsvd; 333 u8 *data_ptr; 334 u16 data_len; /* actual receive length */ 335 u16 pb_len; /* posted buffer length */ 336 void *buf_kva; /* buffer virtual address */ 337 u64 buf_pa; /* buffer physical address */ 338 struct bfa_cb_qe_s hcb_qe; /* comp: BFA comp qelem */ 339 struct bfa_sge_s sges[BFI_SGE_INLINE_MAX]; 340 }; 341 342 /* 343 * Callback prototype for unsolicited frame receive handler. 344 * 345 * @param[in] cbarg callback arg for receive handler 346 * @param[in] uf unsolicited frame descriptor 347 * 348 * @return None 349 */ 350 typedef void (*bfa_cb_uf_recv_t) (void *cbarg, struct bfa_uf_s *uf); 351 352 #define BFA_UF_BUFSZ (2 * 1024 + 256) 353 354 struct bfa_uf_buf_s { 355 u8 d[BFA_UF_BUFSZ]; 356 }; 357 358 #define BFA_PER_UF_DMA_SZ \ 359 (u32)BFA_ROUNDUP(sizeof(struct bfa_uf_buf_s), BFA_DMA_ALIGN_SZ) 360 361 /* Max UF dma segs required */ 362 #define BFA_UF_DMA_SEGS BFI_MEM_DMA_NSEGS(BFA_UF_MAX, BFA_PER_UF_DMA_SZ) 363 364 struct bfa_uf_mod_s { 365 struct bfa_s *bfa; /* back pointer to BFA */ 366 struct bfa_uf_s *uf_list; /* array of UFs */ 367 u16 num_ufs; /* num unsolicited rx frames */ 368 struct list_head uf_free_q; /* free UFs */ 369 struct list_head uf_posted_q; /* UFs posted to IOC */ 370 struct list_head uf_unused_q; /* unused UF's */ 371 struct bfi_uf_buf_post_s *uf_buf_posts; 372 /* pre-built UF post msgs */ 373 bfa_cb_uf_recv_t ufrecv; /* uf recv handler function */ 374 void *cbarg; /* uf receive handler arg */ 375 struct bfa_mem_dma_s dma_seg[BFA_UF_DMA_SEGS]; 376 struct bfa_mem_kva_s kva_seg; 377 }; 378 379 #define BFA_UF_MOD(__bfa) (&(__bfa)->modules.uf_mod) 380 #define BFA_MEM_UF_KVA(__bfa) (&(BFA_UF_MOD(__bfa)->kva_seg)) 381 382 #define ufm_pbs_pa(_ufmod, _uftag) \ 383 bfa_mem_get_dmabuf_pa(_ufmod, _uftag, BFA_PER_UF_DMA_SZ) 384 385 void bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); 386 void bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw); 387 388 /* 389 * LPS - bfa lport login/logout service interface 390 */ 391 struct bfa_lps_s { 392 struct list_head qe; /* queue element */ 393 struct bfa_s *bfa; /* parent bfa instance */ 394 bfa_sm_t sm; /* finite state machine */ 395 u8 bfa_tag; /* lport tag */ 396 u8 fw_tag; /* lport fw tag */ 397 u8 reqq; /* lport request queue */ 398 u8 alpa; /* ALPA for loop topologies */ 399 u32 lp_pid; /* lport port ID */ 400 bfa_boolean_t fdisc; /* snd FDISC instead of FLOGI */ 401 bfa_boolean_t auth_en; /* enable authentication */ 402 bfa_boolean_t auth_req; /* authentication required */ 403 bfa_boolean_t npiv_en; /* NPIV is allowed by peer */ 404 bfa_boolean_t fport; /* attached peer is F_PORT */ 405 bfa_boolean_t brcd_switch; /* attached peer is brcd sw */ 406 bfa_status_t status; /* login status */ 407 u16 pdusz; /* max receive PDU size */ 408 u16 pr_bbcred; /* BB_CREDIT from peer */ 409 u8 lsrjt_rsn; /* LSRJT reason */ 410 u8 lsrjt_expl; /* LSRJT explanation */ 411 u8 lun_mask; /* LUN mask flag */ 412 wwn_t pwwn; /* port wwn of lport */ 413 wwn_t nwwn; /* node wwn of lport */ 414 wwn_t pr_pwwn; /* port wwn of lport peer */ 415 wwn_t pr_nwwn; /* node wwn of lport peer */ 416 mac_t lp_mac; /* fpma/spma MAC for lport */ 417 mac_t fcf_mac; /* FCF MAC of lport */ 418 struct bfa_reqq_wait_s wqe; /* request wait queue element */ 419 void *uarg; /* user callback arg */ 420 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */ 421 struct bfi_lps_login_rsp_s *loginrsp; 422 bfa_eproto_status_t ext_status; 423 }; 424 425 struct bfa_lps_mod_s { 426 struct list_head lps_free_q; 427 struct list_head lps_active_q; 428 struct list_head lps_login_q; 429 struct bfa_lps_s *lps_arr; 430 int num_lps; 431 struct bfa_mem_kva_s kva_seg; 432 }; 433 434 #define BFA_LPS_MOD(__bfa) (&(__bfa)->modules.lps_mod) 435 #define BFA_LPS_FROM_TAG(__mod, __tag) (&(__mod)->lps_arr[__tag]) 436 #define BFA_MEM_LPS_KVA(__bfa) (&(BFA_LPS_MOD(__bfa)->kva_seg)) 437 438 /* 439 * external functions 440 */ 441 void bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); 442 443 444 /* 445 * FCPORT related defines 446 */ 447 448 #define BFA_FCPORT(_bfa) (&((_bfa)->modules.port)) 449 450 /* 451 * Link notification data structure 452 */ 453 struct bfa_fcport_ln_s { 454 struct bfa_fcport_s *fcport; 455 bfa_sm_t sm; 456 struct bfa_cb_qe_s ln_qe; /* BFA callback queue elem for ln */ 457 enum bfa_port_linkstate ln_event; /* ln event for callback */ 458 }; 459 460 struct bfa_fcport_trunk_s { 461 struct bfa_trunk_attr_s attr; 462 }; 463 464 /* 465 * BFA FC port data structure 466 */ 467 struct bfa_fcport_s { 468 struct bfa_s *bfa; /* parent BFA instance */ 469 bfa_sm_t sm; /* port state machine */ 470 wwn_t nwwn; /* node wwn of physical port */ 471 wwn_t pwwn; /* port wwn of physical oprt */ 472 enum bfa_port_speed speed_sup; 473 /* supported speeds */ 474 enum bfa_port_speed speed; /* current speed */ 475 enum bfa_port_topology topology; /* current topology */ 476 u8 rsvd[3]; 477 u8 myalpa; /* my ALPA in LOOP topology */ 478 u8 alpabm_valid; /* alpa bitmap valid or not */ 479 struct fc_alpabm_s alpabm; /* alpa bitmap */ 480 struct bfa_port_cfg_s cfg; /* current port configuration */ 481 bfa_boolean_t use_flash_cfg; /* get port cfg from flash */ 482 struct bfa_qos_attr_s qos_attr; /* QoS Attributes */ 483 struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */ 484 struct bfa_reqq_wait_s reqq_wait; 485 /* to wait for room in reqq */ 486 struct bfa_reqq_wait_s svcreq_wait; 487 /* to wait for room in reqq */ 488 struct bfa_reqq_wait_s stats_reqq_wait; 489 /* to wait for room in reqq (stats) */ 490 void *event_cbarg; 491 void (*event_cbfn) (void *cbarg, 492 enum bfa_port_linkstate event); 493 union { 494 union bfi_fcport_i2h_msg_u i2hmsg; 495 } event_arg; 496 void *bfad; /* BFA driver handle */ 497 struct bfa_fcport_ln_s ln; /* Link Notification */ 498 struct bfa_cb_qe_s hcb_qe; /* BFA callback queue elem */ 499 struct bfa_timer_s timer; /* timer */ 500 u32 msgtag; /* fimrware msg tag for reply */ 501 u8 *stats_kva; 502 u64 stats_pa; 503 union bfa_fcport_stats_u *stats; 504 bfa_status_t stats_status; /* stats/statsclr status */ 505 struct list_head stats_pending_q; 506 struct list_head statsclr_pending_q; 507 bfa_boolean_t stats_qfull; 508 u32 stats_reset_time; /* stats reset time stamp */ 509 bfa_boolean_t diag_busy; /* diag busy status */ 510 bfa_boolean_t beacon; /* port beacon status */ 511 bfa_boolean_t link_e2e_beacon; /* link beacon status */ 512 struct bfa_fcport_trunk_s trunk; 513 u16 fcoe_vlan; 514 struct bfa_mem_dma_s fcport_dma; 515 bfa_boolean_t stats_dma_ready; 516 struct bfa_bbcr_attr_s bbcr_attr; 517 enum bfa_fec_state_s fec_state; 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_boolean_t bfa_fcport_is_ddport(struct bfa_s *bfa); 556 bfa_status_t bfa_fcport_set_qos_bw(struct bfa_s *bfa, 557 struct bfa_qos_bw_s *qos_bw); 558 enum bfa_port_speed bfa_fcport_get_ratelim_speed(struct bfa_s *bfa); 559 560 void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit); 561 bfa_boolean_t bfa_fcport_is_ratelim(struct bfa_s *bfa); 562 void bfa_fcport_beacon(void *dev, bfa_boolean_t beacon, 563 bfa_boolean_t link_e2e_beacon); 564 bfa_boolean_t bfa_fcport_is_linkup(struct bfa_s *bfa); 565 bfa_status_t bfa_fcport_get_stats(struct bfa_s *bfa, 566 struct bfa_cb_pending_q_s *cb); 567 bfa_status_t bfa_fcport_clear_stats(struct bfa_s *bfa, 568 struct bfa_cb_pending_q_s *cb); 569 bfa_boolean_t bfa_fcport_is_qos_enabled(struct bfa_s *bfa); 570 bfa_boolean_t bfa_fcport_is_trunk_enabled(struct bfa_s *bfa); 571 void bfa_fcport_dportenable(struct bfa_s *bfa); 572 void bfa_fcport_dportdisable(struct bfa_s *bfa); 573 bfa_status_t bfa_fcport_is_pbcdisabled(struct bfa_s *bfa); 574 void bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state); 575 bfa_status_t bfa_fcport_cfg_bbcr(struct bfa_s *bfa, 576 bfa_boolean_t on_off, u8 bb_scn); 577 bfa_status_t bfa_fcport_get_bbcr_attr(struct bfa_s *bfa, 578 struct bfa_bbcr_attr_s *bbcr_attr); 579 580 /* 581 * bfa rport API functions 582 */ 583 struct bfa_rport_s *bfa_rport_create(struct bfa_s *bfa, void *rport_drv); 584 void bfa_rport_online(struct bfa_rport_s *rport, 585 struct bfa_rport_info_s *rport_info); 586 void bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed); 587 void bfa_cb_rport_online(void *rport); 588 void bfa_cb_rport_offline(void *rport); 589 void bfa_cb_rport_qos_scn_flowid(void *rport, 590 struct bfa_rport_qos_attr_s old_qos_attr, 591 struct bfa_rport_qos_attr_s new_qos_attr); 592 void bfa_cb_rport_scn_online(struct bfa_s *bfa); 593 void bfa_cb_rport_scn_offline(struct bfa_s *bfa); 594 void bfa_cb_rport_scn_no_dev(void *rp); 595 void bfa_cb_rport_qos_scn_prio(void *rport, 596 struct bfa_rport_qos_attr_s old_qos_attr, 597 struct bfa_rport_qos_attr_s new_qos_attr); 598 599 /* 600 * Rport LUN masking related 601 */ 602 #define BFA_RPORT_TAG_INVALID 0xffff 603 #define BFA_LP_TAG_INVALID 0xff 604 void bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp); 605 void bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp); 606 607 /* 608 * bfa fcxp API functions 609 */ 610 struct bfa_fcxp_s *bfa_fcxp_req_rsp_alloc(void *bfad_fcxp, struct bfa_s *bfa, 611 int nreq_sgles, int nrsp_sgles, 612 bfa_fcxp_get_sgaddr_t get_req_sga, 613 bfa_fcxp_get_sglen_t get_req_sglen, 614 bfa_fcxp_get_sgaddr_t get_rsp_sga, 615 bfa_fcxp_get_sglen_t get_rsp_sglen, 616 bfa_boolean_t req); 617 void bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe, 618 bfa_fcxp_alloc_cbfn_t alloc_cbfn, 619 void *cbarg, void *bfad_fcxp, 620 int nreq_sgles, int nrsp_sgles, 621 bfa_fcxp_get_sgaddr_t get_req_sga, 622 bfa_fcxp_get_sglen_t get_req_sglen, 623 bfa_fcxp_get_sgaddr_t get_rsp_sga, 624 bfa_fcxp_get_sglen_t get_rsp_sglen, 625 bfa_boolean_t req); 626 void bfa_fcxp_walloc_cancel(struct bfa_s *bfa, 627 struct bfa_fcxp_wqe_s *wqe); 628 void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp); 629 630 void *bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp); 631 void *bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp); 632 633 void bfa_fcxp_free(struct bfa_fcxp_s *fcxp); 634 635 void bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport, 636 u16 vf_id, u8 lp_tag, 637 bfa_boolean_t cts, enum fc_cos cos, 638 u32 reqlen, struct fchs_s *fchs, 639 bfa_cb_fcxp_send_t cbfn, 640 void *cbarg, 641 u32 rsp_maxlen, u8 rsp_timeout); 642 bfa_status_t bfa_fcxp_abort(struct bfa_fcxp_s *fcxp); 643 u32 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp); 644 u32 bfa_fcxp_get_maxrsp(struct bfa_s *bfa); 645 void bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw); 646 647 static inline void * 648 bfa_uf_get_frmbuf(struct bfa_uf_s *uf) 649 { 650 return uf->data_ptr; 651 } 652 653 static inline u16 654 bfa_uf_get_frmlen(struct bfa_uf_s *uf) 655 { 656 return uf->data_len; 657 } 658 659 /* 660 * bfa uf API functions 661 */ 662 void bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv, 663 void *cbarg); 664 void bfa_uf_free(struct bfa_uf_s *uf); 665 666 /* 667 * bfa lport service api 668 */ 669 670 u32 bfa_lps_get_max_vport(struct bfa_s *bfa); 671 struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa); 672 void bfa_lps_delete(struct bfa_lps_s *lps); 673 void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, 674 u16 pdusz, wwn_t pwwn, wwn_t nwwn, 675 bfa_boolean_t auth_en); 676 void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, 677 wwn_t pwwn, wwn_t nwwn); 678 void bfa_lps_fdisclogo(struct bfa_lps_s *lps); 679 void bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, u32 n2n_pid); 680 u8 bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag); 681 u32 bfa_lps_get_base_pid(struct bfa_s *bfa); 682 u8 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid); 683 void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status); 684 void bfa_cb_lps_flogo_comp(void *bfad, void *uarg); 685 void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status); 686 void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg); 687 void bfa_cb_lps_cvl_event(void *bfad, void *uarg); 688 689 /* FAA specific APIs */ 690 bfa_status_t bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr, 691 bfa_cb_iocfc_t cbfn, void *cbarg); 692 693 /* 694 * FC DIAG data structure 695 */ 696 struct bfa_fcdiag_qtest_s { 697 struct bfa_diag_qtest_result_s *result; 698 bfa_cb_diag_t cbfn; 699 void *cbarg; 700 struct bfa_timer_s timer; 701 u32 status; 702 u32 count; 703 u8 lock; 704 u8 queue; 705 u8 all; 706 u8 timer_active; 707 }; 708 709 struct bfa_fcdiag_lb_s { 710 bfa_cb_diag_t cbfn; 711 void *cbarg; 712 void *result; 713 bfa_boolean_t lock; 714 u32 status; 715 }; 716 717 struct bfa_dport_s { 718 struct bfa_s *bfa; /* Back pointer to BFA */ 719 bfa_sm_t sm; /* finite state machine */ 720 struct bfa_reqq_wait_s reqq_wait; 721 bfa_cb_diag_t cbfn; 722 void *cbarg; 723 union bfi_diag_dport_msg_u i2hmsg; 724 u8 test_state; /* enum dport_test_state */ 725 u8 dynamic; /* boolean_t */ 726 u8 rsvd[2]; 727 u32 lpcnt; 728 u32 payload; /* user defined payload pattern */ 729 wwn_t rp_pwwn; 730 wwn_t rp_nwwn; 731 struct bfa_diag_dport_result_s result; 732 }; 733 734 struct bfa_fcdiag_s { 735 struct bfa_s *bfa; /* Back pointer to BFA */ 736 struct bfa_trc_mod_s *trcmod; 737 struct bfa_fcdiag_lb_s lb; 738 struct bfa_fcdiag_qtest_s qtest; 739 struct bfa_dport_s dport; 740 }; 741 742 #define BFA_FCDIAG_MOD(__bfa) (&(__bfa)->modules.fcdiag) 743 744 void bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg); 745 746 bfa_status_t bfa_fcdiag_loopback(struct bfa_s *bfa, 747 enum bfa_port_opmode opmode, 748 enum bfa_port_speed speed, u32 lpcnt, u32 pat, 749 struct bfa_diag_loopback_result_s *result, 750 bfa_cb_diag_t cbfn, void *cbarg); 751 bfa_status_t bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 ignore, 752 u32 queue, struct bfa_diag_qtest_result_s *result, 753 bfa_cb_diag_t cbfn, void *cbarg); 754 bfa_status_t bfa_fcdiag_lb_is_running(struct bfa_s *bfa); 755 bfa_status_t bfa_dport_enable(struct bfa_s *bfa, u32 lpcnt, u32 pat, 756 bfa_cb_diag_t cbfn, void *cbarg); 757 bfa_status_t bfa_dport_disable(struct bfa_s *bfa, bfa_cb_diag_t cbfn, 758 void *cbarg); 759 bfa_status_t bfa_dport_start(struct bfa_s *bfa, u32 lpcnt, u32 pat, 760 bfa_cb_diag_t cbfn, void *cbarg); 761 bfa_status_t bfa_dport_show(struct bfa_s *bfa, 762 struct bfa_diag_dport_result_s *result); 763 764 #endif /* __BFA_SVC_H__ */ 765