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 #include "bfad_drv.h" 12 #include "bfad_im.h" 13 #include "bfa_plog.h" 14 #include "bfa_cs.h" 15 #include "bfa_modules.h" 16 17 BFA_TRC_FILE(HAL, FCXP); 18 19 /* 20 * LPS related definitions 21 */ 22 #define BFA_LPS_MIN_LPORTS (1) 23 #define BFA_LPS_MAX_LPORTS (256) 24 25 /* 26 * Maximum Vports supported per physical port or vf. 27 */ 28 #define BFA_LPS_MAX_VPORTS_SUPP_CB 255 29 #define BFA_LPS_MAX_VPORTS_SUPP_CT 190 30 31 32 /* 33 * FC PORT related definitions 34 */ 35 /* 36 * The port is considered disabled if corresponding physical port or IOC are 37 * disabled explicitly 38 */ 39 #define BFA_PORT_IS_DISABLED(bfa) \ 40 ((bfa_fcport_is_disabled(bfa) == BFA_TRUE) || \ 41 (bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE)) 42 43 /* 44 * BFA port state machine events 45 */ 46 enum bfa_fcport_sm_event { 47 BFA_FCPORT_SM_START = 1, /* start port state machine */ 48 BFA_FCPORT_SM_STOP = 2, /* stop port state machine */ 49 BFA_FCPORT_SM_ENABLE = 3, /* enable port */ 50 BFA_FCPORT_SM_DISABLE = 4, /* disable port state machine */ 51 BFA_FCPORT_SM_FWRSP = 5, /* firmware enable/disable rsp */ 52 BFA_FCPORT_SM_LINKUP = 6, /* firmware linkup event */ 53 BFA_FCPORT_SM_LINKDOWN = 7, /* firmware linkup down */ 54 BFA_FCPORT_SM_QRESUME = 8, /* CQ space available */ 55 BFA_FCPORT_SM_HWFAIL = 9, /* IOC h/w failure */ 56 BFA_FCPORT_SM_DPORTENABLE = 10, /* enable dport */ 57 BFA_FCPORT_SM_DPORTDISABLE = 11,/* disable dport */ 58 BFA_FCPORT_SM_FAA_MISCONFIG = 12, /* FAA misconfiguratin */ 59 BFA_FCPORT_SM_DDPORTENABLE = 13, /* enable ddport */ 60 BFA_FCPORT_SM_DDPORTDISABLE = 14, /* disable ddport */ 61 }; 62 63 /* 64 * BFA port link notification state machine events 65 */ 66 67 enum bfa_fcport_ln_sm_event { 68 BFA_FCPORT_LN_SM_LINKUP = 1, /* linkup event */ 69 BFA_FCPORT_LN_SM_LINKDOWN = 2, /* linkdown event */ 70 BFA_FCPORT_LN_SM_NOTIFICATION = 3 /* done notification */ 71 }; 72 73 /* 74 * RPORT related definitions 75 */ 76 #define bfa_rport_offline_cb(__rp) do { \ 77 if ((__rp)->bfa->fcs) \ 78 bfa_cb_rport_offline((__rp)->rport_drv); \ 79 else { \ 80 bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \ 81 __bfa_cb_rport_offline, (__rp)); \ 82 } \ 83 } while (0) 84 85 #define bfa_rport_online_cb(__rp) do { \ 86 if ((__rp)->bfa->fcs) \ 87 bfa_cb_rport_online((__rp)->rport_drv); \ 88 else { \ 89 bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \ 90 __bfa_cb_rport_online, (__rp)); \ 91 } \ 92 } while (0) 93 94 /* 95 * forward declarations FCXP related functions 96 */ 97 static void __bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete); 98 static void hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp, 99 struct bfi_fcxp_send_rsp_s *fcxp_rsp); 100 static void hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen, 101 struct bfa_fcxp_s *fcxp, struct fchs_s *fchs); 102 static void bfa_fcxp_qresume(void *cbarg); 103 static void bfa_fcxp_queue(struct bfa_fcxp_s *fcxp, 104 struct bfi_fcxp_send_req_s *send_req); 105 106 /* 107 * forward declarations for LPS functions 108 */ 109 static void bfa_lps_login_rsp(struct bfa_s *bfa, 110 struct bfi_lps_login_rsp_s *rsp); 111 static void bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count); 112 static void bfa_lps_logout_rsp(struct bfa_s *bfa, 113 struct bfi_lps_logout_rsp_s *rsp); 114 static void bfa_lps_reqq_resume(void *lps_arg); 115 static void bfa_lps_free(struct bfa_lps_s *lps); 116 static void bfa_lps_send_login(struct bfa_lps_s *lps); 117 static void bfa_lps_send_logout(struct bfa_lps_s *lps); 118 static void bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps); 119 static void bfa_lps_login_comp(struct bfa_lps_s *lps); 120 static void bfa_lps_logout_comp(struct bfa_lps_s *lps); 121 static void bfa_lps_cvl_event(struct bfa_lps_s *lps); 122 123 /* 124 * forward declaration for LPS state machine 125 */ 126 static void bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event); 127 static void bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event); 128 static void bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event 129 event); 130 static void bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event); 131 static void bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps, 132 enum bfa_lps_event event); 133 static void bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event); 134 static void bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event 135 event); 136 137 /* 138 * forward declaration for FC Port functions 139 */ 140 static bfa_boolean_t bfa_fcport_send_enable(struct bfa_fcport_s *fcport); 141 static bfa_boolean_t bfa_fcport_send_disable(struct bfa_fcport_s *fcport); 142 static void bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport); 143 static void bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport); 144 static void bfa_fcport_set_wwns(struct bfa_fcport_s *fcport); 145 static void __bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete); 146 static void bfa_fcport_scn(struct bfa_fcport_s *fcport, 147 enum bfa_port_linkstate event, bfa_boolean_t trunk); 148 static void bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, 149 enum bfa_port_linkstate event); 150 static void __bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete); 151 static void bfa_fcport_stats_get_timeout(void *cbarg); 152 static void bfa_fcport_stats_clr_timeout(void *cbarg); 153 static void bfa_trunk_iocdisable(struct bfa_s *bfa); 154 155 /* 156 * forward declaration for FC PORT state machine 157 */ 158 static void bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport, 159 enum bfa_fcport_sm_event event); 160 static void bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport, 161 enum bfa_fcport_sm_event event); 162 static void bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport, 163 enum bfa_fcport_sm_event event); 164 static void bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport, 165 enum bfa_fcport_sm_event event); 166 static void bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport, 167 enum bfa_fcport_sm_event event); 168 static void bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport, 169 enum bfa_fcport_sm_event event); 170 static void bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport, 171 enum bfa_fcport_sm_event event); 172 static void bfa_fcport_sm_toggling_qwait(struct bfa_fcport_s *fcport, 173 enum bfa_fcport_sm_event event); 174 static void bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport, 175 enum bfa_fcport_sm_event event); 176 static void bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport, 177 enum bfa_fcport_sm_event event); 178 static void bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport, 179 enum bfa_fcport_sm_event event); 180 static void bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport, 181 enum bfa_fcport_sm_event event); 182 static void bfa_fcport_sm_dport(struct bfa_fcport_s *fcport, 183 enum bfa_fcport_sm_event event); 184 static void bfa_fcport_sm_ddport(struct bfa_fcport_s *fcport, 185 enum bfa_fcport_sm_event event); 186 static void bfa_fcport_sm_faa_misconfig(struct bfa_fcport_s *fcport, 187 enum bfa_fcport_sm_event event); 188 189 static void bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln, 190 enum bfa_fcport_ln_sm_event event); 191 static void bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln, 192 enum bfa_fcport_ln_sm_event event); 193 static void bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln, 194 enum bfa_fcport_ln_sm_event event); 195 static void bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln, 196 enum bfa_fcport_ln_sm_event event); 197 static void bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln, 198 enum bfa_fcport_ln_sm_event event); 199 static void bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln, 200 enum bfa_fcport_ln_sm_event event); 201 static void bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln, 202 enum bfa_fcport_ln_sm_event event); 203 204 static struct bfa_sm_table_s hal_port_sm_table[] = { 205 {BFA_SM(bfa_fcport_sm_uninit), BFA_PORT_ST_UNINIT}, 206 {BFA_SM(bfa_fcport_sm_enabling_qwait), BFA_PORT_ST_ENABLING_QWAIT}, 207 {BFA_SM(bfa_fcport_sm_enabling), BFA_PORT_ST_ENABLING}, 208 {BFA_SM(bfa_fcport_sm_linkdown), BFA_PORT_ST_LINKDOWN}, 209 {BFA_SM(bfa_fcport_sm_linkup), BFA_PORT_ST_LINKUP}, 210 {BFA_SM(bfa_fcport_sm_disabling_qwait), BFA_PORT_ST_DISABLING_QWAIT}, 211 {BFA_SM(bfa_fcport_sm_toggling_qwait), BFA_PORT_ST_TOGGLING_QWAIT}, 212 {BFA_SM(bfa_fcport_sm_disabling), BFA_PORT_ST_DISABLING}, 213 {BFA_SM(bfa_fcport_sm_disabled), BFA_PORT_ST_DISABLED}, 214 {BFA_SM(bfa_fcport_sm_stopped), BFA_PORT_ST_STOPPED}, 215 {BFA_SM(bfa_fcport_sm_iocdown), BFA_PORT_ST_IOCDOWN}, 216 {BFA_SM(bfa_fcport_sm_iocfail), BFA_PORT_ST_IOCDOWN}, 217 {BFA_SM(bfa_fcport_sm_dport), BFA_PORT_ST_DPORT}, 218 {BFA_SM(bfa_fcport_sm_ddport), BFA_PORT_ST_DDPORT}, 219 {BFA_SM(bfa_fcport_sm_faa_misconfig), BFA_PORT_ST_FAA_MISCONFIG}, 220 }; 221 222 223 /* 224 * forward declaration for RPORT related functions 225 */ 226 static struct bfa_rport_s *bfa_rport_alloc(struct bfa_rport_mod_s *rp_mod); 227 static void bfa_rport_free(struct bfa_rport_s *rport); 228 static bfa_boolean_t bfa_rport_send_fwcreate(struct bfa_rport_s *rp); 229 static bfa_boolean_t bfa_rport_send_fwdelete(struct bfa_rport_s *rp); 230 static bfa_boolean_t bfa_rport_send_fwspeed(struct bfa_rport_s *rp); 231 static void __bfa_cb_rport_online(void *cbarg, 232 bfa_boolean_t complete); 233 static void __bfa_cb_rport_offline(void *cbarg, 234 bfa_boolean_t complete); 235 236 /* 237 * forward declaration for RPORT state machine 238 */ 239 static void bfa_rport_sm_uninit(struct bfa_rport_s *rp, 240 enum bfa_rport_event event); 241 static void bfa_rport_sm_created(struct bfa_rport_s *rp, 242 enum bfa_rport_event event); 243 static void bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, 244 enum bfa_rport_event event); 245 static void bfa_rport_sm_online(struct bfa_rport_s *rp, 246 enum bfa_rport_event event); 247 static void bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, 248 enum bfa_rport_event event); 249 static void bfa_rport_sm_offline(struct bfa_rport_s *rp, 250 enum bfa_rport_event event); 251 static void bfa_rport_sm_deleting(struct bfa_rport_s *rp, 252 enum bfa_rport_event event); 253 static void bfa_rport_sm_offline_pending(struct bfa_rport_s *rp, 254 enum bfa_rport_event event); 255 static void bfa_rport_sm_delete_pending(struct bfa_rport_s *rp, 256 enum bfa_rport_event event); 257 static void bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, 258 enum bfa_rport_event event); 259 static void bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, 260 enum bfa_rport_event event); 261 static void bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, 262 enum bfa_rport_event event); 263 static void bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, 264 enum bfa_rport_event event); 265 266 /* 267 * PLOG related definitions 268 */ 269 static int 270 plkd_validate_logrec(struct bfa_plog_rec_s *pl_rec) 271 { 272 if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) && 273 (pl_rec->log_type != BFA_PL_LOG_TYPE_STRING)) 274 return 1; 275 276 if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) && 277 (pl_rec->log_num_ints > BFA_PL_INT_LOG_SZ)) 278 return 1; 279 280 return 0; 281 } 282 283 static void 284 bfa_plog_add(struct bfa_plog_s *plog, struct bfa_plog_rec_s *pl_rec) 285 { 286 u16 tail; 287 struct bfa_plog_rec_s *pl_recp; 288 289 if (plog->plog_enabled == 0) 290 return; 291 292 if (plkd_validate_logrec(pl_rec)) { 293 WARN_ON(1); 294 return; 295 } 296 297 tail = plog->tail; 298 299 pl_recp = &(plog->plog_recs[tail]); 300 301 memcpy(pl_recp, pl_rec, sizeof(struct bfa_plog_rec_s)); 302 303 pl_recp->tv = ktime_get_real_seconds(); 304 BFA_PL_LOG_REC_INCR(plog->tail); 305 306 if (plog->head == plog->tail) 307 BFA_PL_LOG_REC_INCR(plog->head); 308 } 309 310 void 311 bfa_plog_init(struct bfa_plog_s *plog) 312 { 313 memset((char *)plog, 0, sizeof(struct bfa_plog_s)); 314 315 memcpy(plog->plog_sig, BFA_PL_SIG_STR, BFA_PL_SIG_LEN); 316 plog->head = plog->tail = 0; 317 plog->plog_enabled = 1; 318 } 319 320 void 321 bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid, 322 enum bfa_plog_eid event, 323 u16 misc, char *log_str) 324 { 325 struct bfa_plog_rec_s lp; 326 327 if (plog->plog_enabled) { 328 memset(&lp, 0, sizeof(struct bfa_plog_rec_s)); 329 lp.mid = mid; 330 lp.eid = event; 331 lp.log_type = BFA_PL_LOG_TYPE_STRING; 332 lp.misc = misc; 333 strlcpy(lp.log_entry.string_log, log_str, 334 BFA_PL_STRING_LOG_SZ); 335 lp.log_entry.string_log[BFA_PL_STRING_LOG_SZ - 1] = '\0'; 336 bfa_plog_add(plog, &lp); 337 } 338 } 339 340 void 341 bfa_plog_intarr(struct bfa_plog_s *plog, enum bfa_plog_mid mid, 342 enum bfa_plog_eid event, 343 u16 misc, u32 *intarr, u32 num_ints) 344 { 345 struct bfa_plog_rec_s lp; 346 u32 i; 347 348 if (num_ints > BFA_PL_INT_LOG_SZ) 349 num_ints = BFA_PL_INT_LOG_SZ; 350 351 if (plog->plog_enabled) { 352 memset(&lp, 0, sizeof(struct bfa_plog_rec_s)); 353 lp.mid = mid; 354 lp.eid = event; 355 lp.log_type = BFA_PL_LOG_TYPE_INT; 356 lp.misc = misc; 357 358 for (i = 0; i < num_ints; i++) 359 lp.log_entry.int_log[i] = intarr[i]; 360 361 lp.log_num_ints = (u8) num_ints; 362 363 bfa_plog_add(plog, &lp); 364 } 365 } 366 367 void 368 bfa_plog_fchdr(struct bfa_plog_s *plog, enum bfa_plog_mid mid, 369 enum bfa_plog_eid event, 370 u16 misc, struct fchs_s *fchdr) 371 { 372 struct bfa_plog_rec_s lp; 373 u32 *tmp_int = (u32 *) fchdr; 374 u32 ints[BFA_PL_INT_LOG_SZ]; 375 376 if (plog->plog_enabled) { 377 memset(&lp, 0, sizeof(struct bfa_plog_rec_s)); 378 379 ints[0] = tmp_int[0]; 380 ints[1] = tmp_int[1]; 381 ints[2] = tmp_int[4]; 382 383 bfa_plog_intarr(plog, mid, event, misc, ints, 3); 384 } 385 } 386 387 void 388 bfa_plog_fchdr_and_pl(struct bfa_plog_s *plog, enum bfa_plog_mid mid, 389 enum bfa_plog_eid event, u16 misc, struct fchs_s *fchdr, 390 u32 pld_w0) 391 { 392 struct bfa_plog_rec_s lp; 393 u32 *tmp_int = (u32 *) fchdr; 394 u32 ints[BFA_PL_INT_LOG_SZ]; 395 396 if (plog->plog_enabled) { 397 memset(&lp, 0, sizeof(struct bfa_plog_rec_s)); 398 399 ints[0] = tmp_int[0]; 400 ints[1] = tmp_int[1]; 401 ints[2] = tmp_int[4]; 402 ints[3] = pld_w0; 403 404 bfa_plog_intarr(plog, mid, event, misc, ints, 4); 405 } 406 } 407 408 409 /* 410 * fcxp_pvt BFA FCXP private functions 411 */ 412 413 static void 414 claim_fcxps_mem(struct bfa_fcxp_mod_s *mod) 415 { 416 u16 i; 417 struct bfa_fcxp_s *fcxp; 418 419 fcxp = (struct bfa_fcxp_s *) bfa_mem_kva_curp(mod); 420 memset(fcxp, 0, sizeof(struct bfa_fcxp_s) * mod->num_fcxps); 421 422 INIT_LIST_HEAD(&mod->fcxp_req_free_q); 423 INIT_LIST_HEAD(&mod->fcxp_rsp_free_q); 424 INIT_LIST_HEAD(&mod->fcxp_active_q); 425 INIT_LIST_HEAD(&mod->fcxp_req_unused_q); 426 INIT_LIST_HEAD(&mod->fcxp_rsp_unused_q); 427 428 mod->fcxp_list = fcxp; 429 430 for (i = 0; i < mod->num_fcxps; i++) { 431 fcxp->fcxp_mod = mod; 432 fcxp->fcxp_tag = i; 433 434 if (i < (mod->num_fcxps / 2)) { 435 list_add_tail(&fcxp->qe, &mod->fcxp_req_free_q); 436 fcxp->req_rsp = BFA_TRUE; 437 } else { 438 list_add_tail(&fcxp->qe, &mod->fcxp_rsp_free_q); 439 fcxp->req_rsp = BFA_FALSE; 440 } 441 442 bfa_reqq_winit(&fcxp->reqq_wqe, bfa_fcxp_qresume, fcxp); 443 fcxp->reqq_waiting = BFA_FALSE; 444 445 fcxp = fcxp + 1; 446 } 447 448 bfa_mem_kva_curp(mod) = (void *)fcxp; 449 } 450 451 void 452 bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo, 453 struct bfa_s *bfa) 454 { 455 struct bfa_fcxp_mod_s *fcxp_mod = BFA_FCXP_MOD(bfa); 456 struct bfa_mem_kva_s *fcxp_kva = BFA_MEM_FCXP_KVA(bfa); 457 struct bfa_mem_dma_s *seg_ptr; 458 u16 nsegs, idx, per_seg_fcxp; 459 u16 num_fcxps = cfg->fwcfg.num_fcxp_reqs; 460 u32 per_fcxp_sz; 461 462 if (num_fcxps == 0) 463 return; 464 465 if (cfg->drvcfg.min_cfg) 466 per_fcxp_sz = 2 * BFA_FCXP_MAX_IBUF_SZ; 467 else 468 per_fcxp_sz = BFA_FCXP_MAX_IBUF_SZ + BFA_FCXP_MAX_LBUF_SZ; 469 470 /* dma memory */ 471 nsegs = BFI_MEM_DMA_NSEGS(num_fcxps, per_fcxp_sz); 472 per_seg_fcxp = BFI_MEM_NREQS_SEG(per_fcxp_sz); 473 474 bfa_mem_dma_seg_iter(fcxp_mod, seg_ptr, nsegs, idx) { 475 if (num_fcxps >= per_seg_fcxp) { 476 num_fcxps -= per_seg_fcxp; 477 bfa_mem_dma_setup(minfo, seg_ptr, 478 per_seg_fcxp * per_fcxp_sz); 479 } else 480 bfa_mem_dma_setup(minfo, seg_ptr, 481 num_fcxps * per_fcxp_sz); 482 } 483 484 /* kva memory */ 485 bfa_mem_kva_setup(minfo, fcxp_kva, 486 cfg->fwcfg.num_fcxp_reqs * sizeof(struct bfa_fcxp_s)); 487 } 488 489 void 490 bfa_fcxp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, 491 struct bfa_pcidev_s *pcidev) 492 { 493 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); 494 495 mod->bfa = bfa; 496 mod->num_fcxps = cfg->fwcfg.num_fcxp_reqs; 497 498 /* 499 * Initialize FCXP request and response payload sizes. 500 */ 501 mod->req_pld_sz = mod->rsp_pld_sz = BFA_FCXP_MAX_IBUF_SZ; 502 if (!cfg->drvcfg.min_cfg) 503 mod->rsp_pld_sz = BFA_FCXP_MAX_LBUF_SZ; 504 505 INIT_LIST_HEAD(&mod->req_wait_q); 506 INIT_LIST_HEAD(&mod->rsp_wait_q); 507 508 claim_fcxps_mem(mod); 509 } 510 511 void 512 bfa_fcxp_iocdisable(struct bfa_s *bfa) 513 { 514 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); 515 struct bfa_fcxp_s *fcxp; 516 struct list_head *qe, *qen; 517 518 /* Enqueue unused fcxp resources to free_q */ 519 list_splice_tail_init(&mod->fcxp_req_unused_q, &mod->fcxp_req_free_q); 520 list_splice_tail_init(&mod->fcxp_rsp_unused_q, &mod->fcxp_rsp_free_q); 521 522 list_for_each_safe(qe, qen, &mod->fcxp_active_q) { 523 fcxp = (struct bfa_fcxp_s *) qe; 524 if (fcxp->caller == NULL) { 525 fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg, 526 BFA_STATUS_IOC_FAILURE, 0, 0, NULL); 527 bfa_fcxp_free(fcxp); 528 } else { 529 fcxp->rsp_status = BFA_STATUS_IOC_FAILURE; 530 bfa_cb_queue(bfa, &fcxp->hcb_qe, 531 __bfa_fcxp_send_cbfn, fcxp); 532 } 533 } 534 } 535 536 static struct bfa_fcxp_s * 537 bfa_fcxp_get(struct bfa_fcxp_mod_s *fm, bfa_boolean_t req) 538 { 539 struct bfa_fcxp_s *fcxp; 540 541 if (req) 542 bfa_q_deq(&fm->fcxp_req_free_q, &fcxp); 543 else 544 bfa_q_deq(&fm->fcxp_rsp_free_q, &fcxp); 545 546 if (fcxp) 547 list_add_tail(&fcxp->qe, &fm->fcxp_active_q); 548 549 return fcxp; 550 } 551 552 static void 553 bfa_fcxp_init_reqrsp(struct bfa_fcxp_s *fcxp, 554 struct bfa_s *bfa, 555 u8 *use_ibuf, 556 u32 *nr_sgles, 557 bfa_fcxp_get_sgaddr_t *r_sga_cbfn, 558 bfa_fcxp_get_sglen_t *r_sglen_cbfn, 559 struct list_head *r_sgpg_q, 560 int n_sgles, 561 bfa_fcxp_get_sgaddr_t sga_cbfn, 562 bfa_fcxp_get_sglen_t sglen_cbfn) 563 { 564 565 WARN_ON(bfa == NULL); 566 567 bfa_trc(bfa, fcxp->fcxp_tag); 568 569 if (n_sgles == 0) { 570 *use_ibuf = 1; 571 } else { 572 WARN_ON(*sga_cbfn == NULL); 573 WARN_ON(*sglen_cbfn == NULL); 574 575 *use_ibuf = 0; 576 *r_sga_cbfn = sga_cbfn; 577 *r_sglen_cbfn = sglen_cbfn; 578 579 *nr_sgles = n_sgles; 580 581 /* 582 * alloc required sgpgs 583 */ 584 if (n_sgles > BFI_SGE_INLINE) 585 WARN_ON(1); 586 } 587 588 } 589 590 static void 591 bfa_fcxp_init(struct bfa_fcxp_s *fcxp, 592 void *caller, struct bfa_s *bfa, int nreq_sgles, 593 int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn, 594 bfa_fcxp_get_sglen_t req_sglen_cbfn, 595 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn, 596 bfa_fcxp_get_sglen_t rsp_sglen_cbfn) 597 { 598 599 WARN_ON(bfa == NULL); 600 601 bfa_trc(bfa, fcxp->fcxp_tag); 602 603 fcxp->caller = caller; 604 605 bfa_fcxp_init_reqrsp(fcxp, bfa, 606 &fcxp->use_ireqbuf, &fcxp->nreq_sgles, &fcxp->req_sga_cbfn, 607 &fcxp->req_sglen_cbfn, &fcxp->req_sgpg_q, 608 nreq_sgles, req_sga_cbfn, req_sglen_cbfn); 609 610 bfa_fcxp_init_reqrsp(fcxp, bfa, 611 &fcxp->use_irspbuf, &fcxp->nrsp_sgles, &fcxp->rsp_sga_cbfn, 612 &fcxp->rsp_sglen_cbfn, &fcxp->rsp_sgpg_q, 613 nrsp_sgles, rsp_sga_cbfn, rsp_sglen_cbfn); 614 615 } 616 617 static void 618 bfa_fcxp_put(struct bfa_fcxp_s *fcxp) 619 { 620 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod; 621 struct bfa_fcxp_wqe_s *wqe; 622 623 if (fcxp->req_rsp) 624 bfa_q_deq(&mod->req_wait_q, &wqe); 625 else 626 bfa_q_deq(&mod->rsp_wait_q, &wqe); 627 628 if (wqe) { 629 bfa_trc(mod->bfa, fcxp->fcxp_tag); 630 631 bfa_fcxp_init(fcxp, wqe->caller, wqe->bfa, wqe->nreq_sgles, 632 wqe->nrsp_sgles, wqe->req_sga_cbfn, 633 wqe->req_sglen_cbfn, wqe->rsp_sga_cbfn, 634 wqe->rsp_sglen_cbfn); 635 636 wqe->alloc_cbfn(wqe->alloc_cbarg, fcxp); 637 return; 638 } 639 640 WARN_ON(!bfa_q_is_on_q(&mod->fcxp_active_q, fcxp)); 641 list_del(&fcxp->qe); 642 643 if (fcxp->req_rsp) 644 list_add_tail(&fcxp->qe, &mod->fcxp_req_free_q); 645 else 646 list_add_tail(&fcxp->qe, &mod->fcxp_rsp_free_q); 647 } 648 649 static void 650 bfa_fcxp_null_comp(void *bfad_fcxp, struct bfa_fcxp_s *fcxp, void *cbarg, 651 bfa_status_t req_status, u32 rsp_len, 652 u32 resid_len, struct fchs_s *rsp_fchs) 653 { 654 /* discarded fcxp completion */ 655 } 656 657 static void 658 __bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete) 659 { 660 struct bfa_fcxp_s *fcxp = cbarg; 661 662 if (complete) { 663 fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg, 664 fcxp->rsp_status, fcxp->rsp_len, 665 fcxp->residue_len, &fcxp->rsp_fchs); 666 } else { 667 bfa_fcxp_free(fcxp); 668 } 669 } 670 671 static void 672 hal_fcxp_send_comp(struct bfa_s *bfa, struct bfi_fcxp_send_rsp_s *fcxp_rsp) 673 { 674 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); 675 struct bfa_fcxp_s *fcxp; 676 u16 fcxp_tag = be16_to_cpu(fcxp_rsp->fcxp_tag); 677 678 bfa_trc(bfa, fcxp_tag); 679 680 fcxp_rsp->rsp_len = be32_to_cpu(fcxp_rsp->rsp_len); 681 682 /* 683 * @todo f/w should not set residue to non-0 when everything 684 * is received. 685 */ 686 if (fcxp_rsp->req_status == BFA_STATUS_OK) 687 fcxp_rsp->residue_len = 0; 688 else 689 fcxp_rsp->residue_len = be32_to_cpu(fcxp_rsp->residue_len); 690 691 fcxp = BFA_FCXP_FROM_TAG(mod, fcxp_tag); 692 693 WARN_ON(fcxp->send_cbfn == NULL); 694 695 hal_fcxp_rx_plog(mod->bfa, fcxp, fcxp_rsp); 696 697 if (fcxp->send_cbfn != NULL) { 698 bfa_trc(mod->bfa, (NULL == fcxp->caller)); 699 if (fcxp->caller == NULL) { 700 fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg, 701 fcxp_rsp->req_status, fcxp_rsp->rsp_len, 702 fcxp_rsp->residue_len, &fcxp_rsp->fchs); 703 /* 704 * fcxp automatically freed on return from the callback 705 */ 706 bfa_fcxp_free(fcxp); 707 } else { 708 fcxp->rsp_status = fcxp_rsp->req_status; 709 fcxp->rsp_len = fcxp_rsp->rsp_len; 710 fcxp->residue_len = fcxp_rsp->residue_len; 711 fcxp->rsp_fchs = fcxp_rsp->fchs; 712 713 bfa_cb_queue(bfa, &fcxp->hcb_qe, 714 __bfa_fcxp_send_cbfn, fcxp); 715 } 716 } else { 717 bfa_trc(bfa, (NULL == fcxp->send_cbfn)); 718 } 719 } 720 721 static void 722 hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen, struct bfa_fcxp_s *fcxp, 723 struct fchs_s *fchs) 724 { 725 /* 726 * TODO: TX ox_id 727 */ 728 if (reqlen > 0) { 729 if (fcxp->use_ireqbuf) { 730 u32 pld_w0 = 731 *((u32 *) BFA_FCXP_REQ_PLD(fcxp)); 732 733 bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP, 734 BFA_PL_EID_TX, 735 reqlen + sizeof(struct fchs_s), fchs, 736 pld_w0); 737 } else { 738 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, 739 BFA_PL_EID_TX, 740 reqlen + sizeof(struct fchs_s), 741 fchs); 742 } 743 } else { 744 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_TX, 745 reqlen + sizeof(struct fchs_s), fchs); 746 } 747 } 748 749 static void 750 hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp, 751 struct bfi_fcxp_send_rsp_s *fcxp_rsp) 752 { 753 if (fcxp_rsp->rsp_len > 0) { 754 if (fcxp->use_irspbuf) { 755 u32 pld_w0 = 756 *((u32 *) BFA_FCXP_RSP_PLD(fcxp)); 757 758 bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP, 759 BFA_PL_EID_RX, 760 (u16) fcxp_rsp->rsp_len, 761 &fcxp_rsp->fchs, pld_w0); 762 } else { 763 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, 764 BFA_PL_EID_RX, 765 (u16) fcxp_rsp->rsp_len, 766 &fcxp_rsp->fchs); 767 } 768 } else { 769 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_RX, 770 (u16) fcxp_rsp->rsp_len, &fcxp_rsp->fchs); 771 } 772 } 773 774 /* 775 * Handler to resume sending fcxp when space in available in cpe queue. 776 */ 777 static void 778 bfa_fcxp_qresume(void *cbarg) 779 { 780 struct bfa_fcxp_s *fcxp = cbarg; 781 struct bfa_s *bfa = fcxp->fcxp_mod->bfa; 782 struct bfi_fcxp_send_req_s *send_req; 783 784 fcxp->reqq_waiting = BFA_FALSE; 785 send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP); 786 bfa_fcxp_queue(fcxp, send_req); 787 } 788 789 /* 790 * Queue fcxp send request to foimrware. 791 */ 792 static void 793 bfa_fcxp_queue(struct bfa_fcxp_s *fcxp, struct bfi_fcxp_send_req_s *send_req) 794 { 795 struct bfa_s *bfa = fcxp->fcxp_mod->bfa; 796 struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info; 797 struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info; 798 struct bfa_rport_s *rport = reqi->bfa_rport; 799 800 bfi_h2i_set(send_req->mh, BFI_MC_FCXP, BFI_FCXP_H2I_SEND_REQ, 801 bfa_fn_lpu(bfa)); 802 803 send_req->fcxp_tag = cpu_to_be16(fcxp->fcxp_tag); 804 if (rport) { 805 send_req->rport_fw_hndl = rport->fw_handle; 806 send_req->max_frmsz = cpu_to_be16(rport->rport_info.max_frmsz); 807 if (send_req->max_frmsz == 0) 808 send_req->max_frmsz = cpu_to_be16(FC_MAX_PDUSZ); 809 } else { 810 send_req->rport_fw_hndl = 0; 811 send_req->max_frmsz = cpu_to_be16(FC_MAX_PDUSZ); 812 } 813 814 send_req->vf_id = cpu_to_be16(reqi->vf_id); 815 send_req->lp_fwtag = bfa_lps_get_fwtag(bfa, reqi->lp_tag); 816 send_req->class = reqi->class; 817 send_req->rsp_timeout = rspi->rsp_timeout; 818 send_req->cts = reqi->cts; 819 send_req->fchs = reqi->fchs; 820 821 send_req->req_len = cpu_to_be32(reqi->req_tot_len); 822 send_req->rsp_maxlen = cpu_to_be32(rspi->rsp_maxlen); 823 824 /* 825 * setup req sgles 826 */ 827 if (fcxp->use_ireqbuf == 1) { 828 bfa_alen_set(&send_req->req_alen, reqi->req_tot_len, 829 BFA_FCXP_REQ_PLD_PA(fcxp)); 830 } else { 831 if (fcxp->nreq_sgles > 0) { 832 WARN_ON(fcxp->nreq_sgles != 1); 833 bfa_alen_set(&send_req->req_alen, reqi->req_tot_len, 834 fcxp->req_sga_cbfn(fcxp->caller, 0)); 835 } else { 836 WARN_ON(reqi->req_tot_len != 0); 837 bfa_alen_set(&send_req->rsp_alen, 0, 0); 838 } 839 } 840 841 /* 842 * setup rsp sgles 843 */ 844 if (fcxp->use_irspbuf == 1) { 845 WARN_ON(rspi->rsp_maxlen > BFA_FCXP_MAX_LBUF_SZ); 846 847 bfa_alen_set(&send_req->rsp_alen, rspi->rsp_maxlen, 848 BFA_FCXP_RSP_PLD_PA(fcxp)); 849 } else { 850 if (fcxp->nrsp_sgles > 0) { 851 WARN_ON(fcxp->nrsp_sgles != 1); 852 bfa_alen_set(&send_req->rsp_alen, rspi->rsp_maxlen, 853 fcxp->rsp_sga_cbfn(fcxp->caller, 0)); 854 855 } else { 856 WARN_ON(rspi->rsp_maxlen != 0); 857 bfa_alen_set(&send_req->rsp_alen, 0, 0); 858 } 859 } 860 861 hal_fcxp_tx_plog(bfa, reqi->req_tot_len, fcxp, &reqi->fchs); 862 863 bfa_reqq_produce(bfa, BFA_REQQ_FCXP, send_req->mh); 864 865 bfa_trc(bfa, bfa_reqq_pi(bfa, BFA_REQQ_FCXP)); 866 bfa_trc(bfa, bfa_reqq_ci(bfa, BFA_REQQ_FCXP)); 867 } 868 869 /* 870 * Allocate an FCXP instance to send a response or to send a request 871 * that has a response. Request/response buffers are allocated by caller. 872 * 873 * @param[in] bfa BFA bfa instance 874 * @param[in] nreq_sgles Number of SG elements required for request 875 * buffer. 0, if fcxp internal buffers are used. 876 * Use bfa_fcxp_get_reqbuf() to get the 877 * internal req buffer. 878 * @param[in] req_sgles SG elements describing request buffer. Will be 879 * copied in by BFA and hence can be freed on 880 * return from this function. 881 * @param[in] get_req_sga function ptr to be called to get a request SG 882 * Address (given the sge index). 883 * @param[in] get_req_sglen function ptr to be called to get a request SG 884 * len (given the sge index). 885 * @param[in] get_rsp_sga function ptr to be called to get a response SG 886 * Address (given the sge index). 887 * @param[in] get_rsp_sglen function ptr to be called to get a response SG 888 * len (given the sge index). 889 * @param[in] req Allocated FCXP is used to send req or rsp? 890 * request - BFA_TRUE, response - BFA_FALSE 891 * 892 * @return FCXP instance. NULL on failure. 893 */ 894 struct bfa_fcxp_s * 895 bfa_fcxp_req_rsp_alloc(void *caller, struct bfa_s *bfa, int nreq_sgles, 896 int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn, 897 bfa_fcxp_get_sglen_t req_sglen_cbfn, 898 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn, 899 bfa_fcxp_get_sglen_t rsp_sglen_cbfn, bfa_boolean_t req) 900 { 901 struct bfa_fcxp_s *fcxp = NULL; 902 903 WARN_ON(bfa == NULL); 904 905 fcxp = bfa_fcxp_get(BFA_FCXP_MOD(bfa), req); 906 if (fcxp == NULL) 907 return NULL; 908 909 bfa_trc(bfa, fcxp->fcxp_tag); 910 911 bfa_fcxp_init(fcxp, caller, bfa, nreq_sgles, nrsp_sgles, req_sga_cbfn, 912 req_sglen_cbfn, rsp_sga_cbfn, rsp_sglen_cbfn); 913 914 return fcxp; 915 } 916 917 /* 918 * Get the internal request buffer pointer 919 * 920 * @param[in] fcxp BFA fcxp pointer 921 * 922 * @return pointer to the internal request buffer 923 */ 924 void * 925 bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp) 926 { 927 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod; 928 void *reqbuf; 929 930 WARN_ON(fcxp->use_ireqbuf != 1); 931 reqbuf = bfa_mem_get_dmabuf_kva(mod, fcxp->fcxp_tag, 932 mod->req_pld_sz + mod->rsp_pld_sz); 933 return reqbuf; 934 } 935 936 u32 937 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp) 938 { 939 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod; 940 941 return mod->req_pld_sz; 942 } 943 944 /* 945 * Get the internal response buffer pointer 946 * 947 * @param[in] fcxp BFA fcxp pointer 948 * 949 * @return pointer to the internal request buffer 950 */ 951 void * 952 bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp) 953 { 954 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod; 955 void *fcxp_buf; 956 957 WARN_ON(fcxp->use_irspbuf != 1); 958 959 fcxp_buf = bfa_mem_get_dmabuf_kva(mod, fcxp->fcxp_tag, 960 mod->req_pld_sz + mod->rsp_pld_sz); 961 962 /* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */ 963 return ((u8 *) fcxp_buf) + mod->req_pld_sz; 964 } 965 966 /* 967 * Free the BFA FCXP 968 * 969 * @param[in] fcxp BFA fcxp pointer 970 * 971 * @return void 972 */ 973 void 974 bfa_fcxp_free(struct bfa_fcxp_s *fcxp) 975 { 976 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod; 977 978 WARN_ON(fcxp == NULL); 979 bfa_trc(mod->bfa, fcxp->fcxp_tag); 980 bfa_fcxp_put(fcxp); 981 } 982 983 /* 984 * Send a FCXP request 985 * 986 * @param[in] fcxp BFA fcxp pointer 987 * @param[in] rport BFA rport pointer. Could be left NULL for WKA rports 988 * @param[in] vf_id virtual Fabric ID 989 * @param[in] lp_tag lport tag 990 * @param[in] cts use Continuous sequence 991 * @param[in] cos fc Class of Service 992 * @param[in] reqlen request length, does not include FCHS length 993 * @param[in] fchs fc Header Pointer. The header content will be copied 994 * in by BFA. 995 * 996 * @param[in] cbfn call back function to be called on receiving 997 * the response 998 * @param[in] cbarg arg for cbfn 999 * @param[in] rsp_timeout 1000 * response timeout 1001 * 1002 * @return bfa_status_t 1003 */ 1004 void 1005 bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport, 1006 u16 vf_id, u8 lp_tag, bfa_boolean_t cts, enum fc_cos cos, 1007 u32 reqlen, struct fchs_s *fchs, bfa_cb_fcxp_send_t cbfn, 1008 void *cbarg, u32 rsp_maxlen, u8 rsp_timeout) 1009 { 1010 struct bfa_s *bfa = fcxp->fcxp_mod->bfa; 1011 struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info; 1012 struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info; 1013 struct bfi_fcxp_send_req_s *send_req; 1014 1015 bfa_trc(bfa, fcxp->fcxp_tag); 1016 1017 /* 1018 * setup request/response info 1019 */ 1020 reqi->bfa_rport = rport; 1021 reqi->vf_id = vf_id; 1022 reqi->lp_tag = lp_tag; 1023 reqi->class = cos; 1024 rspi->rsp_timeout = rsp_timeout; 1025 reqi->cts = cts; 1026 reqi->fchs = *fchs; 1027 reqi->req_tot_len = reqlen; 1028 rspi->rsp_maxlen = rsp_maxlen; 1029 fcxp->send_cbfn = cbfn ? cbfn : bfa_fcxp_null_comp; 1030 fcxp->send_cbarg = cbarg; 1031 1032 /* 1033 * If no room in CPE queue, wait for space in request queue 1034 */ 1035 send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP); 1036 if (!send_req) { 1037 bfa_trc(bfa, fcxp->fcxp_tag); 1038 fcxp->reqq_waiting = BFA_TRUE; 1039 bfa_reqq_wait(bfa, BFA_REQQ_FCXP, &fcxp->reqq_wqe); 1040 return; 1041 } 1042 1043 bfa_fcxp_queue(fcxp, send_req); 1044 } 1045 1046 /* 1047 * Abort a BFA FCXP 1048 * 1049 * @param[in] fcxp BFA fcxp pointer 1050 * 1051 * @return void 1052 */ 1053 bfa_status_t 1054 bfa_fcxp_abort(struct bfa_fcxp_s *fcxp) 1055 { 1056 bfa_trc(fcxp->fcxp_mod->bfa, fcxp->fcxp_tag); 1057 WARN_ON(1); 1058 return BFA_STATUS_OK; 1059 } 1060 1061 void 1062 bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe, 1063 bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *alloc_cbarg, 1064 void *caller, int nreq_sgles, 1065 int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn, 1066 bfa_fcxp_get_sglen_t req_sglen_cbfn, 1067 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn, 1068 bfa_fcxp_get_sglen_t rsp_sglen_cbfn, bfa_boolean_t req) 1069 { 1070 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); 1071 1072 if (req) 1073 WARN_ON(!list_empty(&mod->fcxp_req_free_q)); 1074 else 1075 WARN_ON(!list_empty(&mod->fcxp_rsp_free_q)); 1076 1077 wqe->alloc_cbfn = alloc_cbfn; 1078 wqe->alloc_cbarg = alloc_cbarg; 1079 wqe->caller = caller; 1080 wqe->bfa = bfa; 1081 wqe->nreq_sgles = nreq_sgles; 1082 wqe->nrsp_sgles = nrsp_sgles; 1083 wqe->req_sga_cbfn = req_sga_cbfn; 1084 wqe->req_sglen_cbfn = req_sglen_cbfn; 1085 wqe->rsp_sga_cbfn = rsp_sga_cbfn; 1086 wqe->rsp_sglen_cbfn = rsp_sglen_cbfn; 1087 1088 if (req) 1089 list_add_tail(&wqe->qe, &mod->req_wait_q); 1090 else 1091 list_add_tail(&wqe->qe, &mod->rsp_wait_q); 1092 } 1093 1094 void 1095 bfa_fcxp_walloc_cancel(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe) 1096 { 1097 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); 1098 1099 WARN_ON(!bfa_q_is_on_q(&mod->req_wait_q, wqe) || 1100 !bfa_q_is_on_q(&mod->rsp_wait_q, wqe)); 1101 list_del(&wqe->qe); 1102 } 1103 1104 void 1105 bfa_fcxp_discard(struct bfa_fcxp_s *fcxp) 1106 { 1107 /* 1108 * If waiting for room in request queue, cancel reqq wait 1109 * and free fcxp. 1110 */ 1111 if (fcxp->reqq_waiting) { 1112 fcxp->reqq_waiting = BFA_FALSE; 1113 bfa_reqq_wcancel(&fcxp->reqq_wqe); 1114 bfa_fcxp_free(fcxp); 1115 return; 1116 } 1117 1118 fcxp->send_cbfn = bfa_fcxp_null_comp; 1119 } 1120 1121 void 1122 bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg) 1123 { 1124 switch (msg->mhdr.msg_id) { 1125 case BFI_FCXP_I2H_SEND_RSP: 1126 hal_fcxp_send_comp(bfa, (struct bfi_fcxp_send_rsp_s *) msg); 1127 break; 1128 1129 default: 1130 bfa_trc(bfa, msg->mhdr.msg_id); 1131 WARN_ON(1); 1132 } 1133 } 1134 1135 u32 1136 bfa_fcxp_get_maxrsp(struct bfa_s *bfa) 1137 { 1138 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); 1139 1140 return mod->rsp_pld_sz; 1141 } 1142 1143 void 1144 bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw) 1145 { 1146 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); 1147 struct list_head *qe; 1148 int i; 1149 1150 for (i = 0; i < (mod->num_fcxps - num_fcxp_fw); i++) { 1151 if (i < ((mod->num_fcxps - num_fcxp_fw) / 2)) { 1152 bfa_q_deq_tail(&mod->fcxp_req_free_q, &qe); 1153 list_add_tail(qe, &mod->fcxp_req_unused_q); 1154 } else { 1155 bfa_q_deq_tail(&mod->fcxp_rsp_free_q, &qe); 1156 list_add_tail(qe, &mod->fcxp_rsp_unused_q); 1157 } 1158 } 1159 } 1160 1161 /* 1162 * BFA LPS state machine functions 1163 */ 1164 1165 /* 1166 * Init state -- no login 1167 */ 1168 static void 1169 bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event) 1170 { 1171 bfa_trc(lps->bfa, lps->bfa_tag); 1172 bfa_trc(lps->bfa, event); 1173 1174 switch (event) { 1175 case BFA_LPS_SM_LOGIN: 1176 if (bfa_reqq_full(lps->bfa, lps->reqq)) { 1177 bfa_sm_set_state(lps, bfa_lps_sm_loginwait); 1178 bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe); 1179 } else { 1180 bfa_sm_set_state(lps, bfa_lps_sm_login); 1181 bfa_lps_send_login(lps); 1182 } 1183 1184 if (lps->fdisc) 1185 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, 1186 BFA_PL_EID_LOGIN, 0, "FDISC Request"); 1187 else 1188 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, 1189 BFA_PL_EID_LOGIN, 0, "FLOGI Request"); 1190 break; 1191 1192 case BFA_LPS_SM_LOGOUT: 1193 bfa_lps_logout_comp(lps); 1194 break; 1195 1196 case BFA_LPS_SM_DELETE: 1197 bfa_lps_free(lps); 1198 break; 1199 1200 case BFA_LPS_SM_RX_CVL: 1201 case BFA_LPS_SM_OFFLINE: 1202 break; 1203 1204 case BFA_LPS_SM_FWRSP: 1205 /* 1206 * Could happen when fabric detects loopback and discards 1207 * the lps request. Fw will eventually sent out the timeout 1208 * Just ignore 1209 */ 1210 break; 1211 case BFA_LPS_SM_SET_N2N_PID: 1212 /* 1213 * When topology is set to loop, bfa_lps_set_n2n_pid() sends 1214 * this event. Ignore this event. 1215 */ 1216 break; 1217 1218 default: 1219 bfa_sm_fault(lps->bfa, event); 1220 } 1221 } 1222 1223 /* 1224 * login is in progress -- awaiting response from firmware 1225 */ 1226 static void 1227 bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event) 1228 { 1229 bfa_trc(lps->bfa, lps->bfa_tag); 1230 bfa_trc(lps->bfa, event); 1231 1232 switch (event) { 1233 case BFA_LPS_SM_FWRSP: 1234 if (lps->status == BFA_STATUS_OK) { 1235 bfa_sm_set_state(lps, bfa_lps_sm_online); 1236 if (lps->fdisc) 1237 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, 1238 BFA_PL_EID_LOGIN, 0, "FDISC Accept"); 1239 else 1240 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, 1241 BFA_PL_EID_LOGIN, 0, "FLOGI Accept"); 1242 /* If N2N, send the assigned PID to FW */ 1243 bfa_trc(lps->bfa, lps->fport); 1244 bfa_trc(lps->bfa, lps->lp_pid); 1245 1246 if (!lps->fport && lps->lp_pid) 1247 bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID); 1248 } else { 1249 bfa_sm_set_state(lps, bfa_lps_sm_init); 1250 if (lps->fdisc) 1251 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, 1252 BFA_PL_EID_LOGIN, 0, 1253 "FDISC Fail (RJT or timeout)"); 1254 else 1255 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, 1256 BFA_PL_EID_LOGIN, 0, 1257 "FLOGI Fail (RJT or timeout)"); 1258 } 1259 bfa_lps_login_comp(lps); 1260 break; 1261 1262 case BFA_LPS_SM_OFFLINE: 1263 case BFA_LPS_SM_DELETE: 1264 bfa_sm_set_state(lps, bfa_lps_sm_init); 1265 break; 1266 1267 case BFA_LPS_SM_SET_N2N_PID: 1268 bfa_trc(lps->bfa, lps->fport); 1269 bfa_trc(lps->bfa, lps->lp_pid); 1270 break; 1271 1272 default: 1273 bfa_sm_fault(lps->bfa, event); 1274 } 1275 } 1276 1277 /* 1278 * login pending - awaiting space in request queue 1279 */ 1280 static void 1281 bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event) 1282 { 1283 bfa_trc(lps->bfa, lps->bfa_tag); 1284 bfa_trc(lps->bfa, event); 1285 1286 switch (event) { 1287 case BFA_LPS_SM_RESUME: 1288 bfa_sm_set_state(lps, bfa_lps_sm_login); 1289 bfa_lps_send_login(lps); 1290 break; 1291 1292 case BFA_LPS_SM_OFFLINE: 1293 case BFA_LPS_SM_DELETE: 1294 bfa_sm_set_state(lps, bfa_lps_sm_init); 1295 bfa_reqq_wcancel(&lps->wqe); 1296 break; 1297 1298 case BFA_LPS_SM_RX_CVL: 1299 /* 1300 * Login was not even sent out; so when getting out 1301 * of this state, it will appear like a login retry 1302 * after Clear virtual link 1303 */ 1304 break; 1305 1306 default: 1307 bfa_sm_fault(lps->bfa, event); 1308 } 1309 } 1310 1311 /* 1312 * login complete 1313 */ 1314 static void 1315 bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event) 1316 { 1317 bfa_trc(lps->bfa, lps->bfa_tag); 1318 bfa_trc(lps->bfa, event); 1319 1320 switch (event) { 1321 case BFA_LPS_SM_LOGOUT: 1322 if (bfa_reqq_full(lps->bfa, lps->reqq)) { 1323 bfa_sm_set_state(lps, bfa_lps_sm_logowait); 1324 bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe); 1325 } else { 1326 bfa_sm_set_state(lps, bfa_lps_sm_logout); 1327 bfa_lps_send_logout(lps); 1328 } 1329 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, 1330 BFA_PL_EID_LOGO, 0, "Logout"); 1331 break; 1332 1333 case BFA_LPS_SM_RX_CVL: 1334 bfa_sm_set_state(lps, bfa_lps_sm_init); 1335 1336 /* Let the vport module know about this event */ 1337 bfa_lps_cvl_event(lps); 1338 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, 1339 BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx"); 1340 break; 1341 1342 case BFA_LPS_SM_SET_N2N_PID: 1343 if (bfa_reqq_full(lps->bfa, lps->reqq)) { 1344 bfa_sm_set_state(lps, bfa_lps_sm_online_n2n_pid_wait); 1345 bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe); 1346 } else 1347 bfa_lps_send_set_n2n_pid(lps); 1348 break; 1349 1350 case BFA_LPS_SM_OFFLINE: 1351 case BFA_LPS_SM_DELETE: 1352 bfa_sm_set_state(lps, bfa_lps_sm_init); 1353 break; 1354 1355 default: 1356 bfa_sm_fault(lps->bfa, event); 1357 } 1358 } 1359 1360 /* 1361 * login complete 1362 */ 1363 static void 1364 bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps, enum bfa_lps_event event) 1365 { 1366 bfa_trc(lps->bfa, lps->bfa_tag); 1367 bfa_trc(lps->bfa, event); 1368 1369 switch (event) { 1370 case BFA_LPS_SM_RESUME: 1371 bfa_sm_set_state(lps, bfa_lps_sm_online); 1372 bfa_lps_send_set_n2n_pid(lps); 1373 break; 1374 1375 case BFA_LPS_SM_LOGOUT: 1376 bfa_sm_set_state(lps, bfa_lps_sm_logowait); 1377 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, 1378 BFA_PL_EID_LOGO, 0, "Logout"); 1379 break; 1380 1381 case BFA_LPS_SM_RX_CVL: 1382 bfa_sm_set_state(lps, bfa_lps_sm_init); 1383 bfa_reqq_wcancel(&lps->wqe); 1384 1385 /* Let the vport module know about this event */ 1386 bfa_lps_cvl_event(lps); 1387 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, 1388 BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx"); 1389 break; 1390 1391 case BFA_LPS_SM_OFFLINE: 1392 case BFA_LPS_SM_DELETE: 1393 bfa_sm_set_state(lps, bfa_lps_sm_init); 1394 bfa_reqq_wcancel(&lps->wqe); 1395 break; 1396 1397 default: 1398 bfa_sm_fault(lps->bfa, event); 1399 } 1400 } 1401 1402 /* 1403 * logout in progress - awaiting firmware response 1404 */ 1405 static void 1406 bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event) 1407 { 1408 bfa_trc(lps->bfa, lps->bfa_tag); 1409 bfa_trc(lps->bfa, event); 1410 1411 switch (event) { 1412 case BFA_LPS_SM_FWRSP: 1413 case BFA_LPS_SM_OFFLINE: 1414 bfa_sm_set_state(lps, bfa_lps_sm_init); 1415 bfa_lps_logout_comp(lps); 1416 break; 1417 1418 case BFA_LPS_SM_DELETE: 1419 bfa_sm_set_state(lps, bfa_lps_sm_init); 1420 break; 1421 1422 default: 1423 bfa_sm_fault(lps->bfa, event); 1424 } 1425 } 1426 1427 /* 1428 * logout pending -- awaiting space in request queue 1429 */ 1430 static void 1431 bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event) 1432 { 1433 bfa_trc(lps->bfa, lps->bfa_tag); 1434 bfa_trc(lps->bfa, event); 1435 1436 switch (event) { 1437 case BFA_LPS_SM_RESUME: 1438 bfa_sm_set_state(lps, bfa_lps_sm_logout); 1439 bfa_lps_send_logout(lps); 1440 break; 1441 1442 case BFA_LPS_SM_OFFLINE: 1443 case BFA_LPS_SM_DELETE: 1444 bfa_sm_set_state(lps, bfa_lps_sm_init); 1445 bfa_reqq_wcancel(&lps->wqe); 1446 break; 1447 1448 default: 1449 bfa_sm_fault(lps->bfa, event); 1450 } 1451 } 1452 1453 1454 1455 /* 1456 * lps_pvt BFA LPS private functions 1457 */ 1458 1459 /* 1460 * return memory requirement 1461 */ 1462 void 1463 bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo, 1464 struct bfa_s *bfa) 1465 { 1466 struct bfa_mem_kva_s *lps_kva = BFA_MEM_LPS_KVA(bfa); 1467 1468 if (cfg->drvcfg.min_cfg) 1469 bfa_mem_kva_setup(minfo, lps_kva, 1470 sizeof(struct bfa_lps_s) * BFA_LPS_MIN_LPORTS); 1471 else 1472 bfa_mem_kva_setup(minfo, lps_kva, 1473 sizeof(struct bfa_lps_s) * BFA_LPS_MAX_LPORTS); 1474 } 1475 1476 /* 1477 * bfa module attach at initialization time 1478 */ 1479 void 1480 bfa_lps_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, 1481 struct bfa_pcidev_s *pcidev) 1482 { 1483 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); 1484 struct bfa_lps_s *lps; 1485 int i; 1486 1487 mod->num_lps = BFA_LPS_MAX_LPORTS; 1488 if (cfg->drvcfg.min_cfg) 1489 mod->num_lps = BFA_LPS_MIN_LPORTS; 1490 else 1491 mod->num_lps = BFA_LPS_MAX_LPORTS; 1492 mod->lps_arr = lps = (struct bfa_lps_s *) bfa_mem_kva_curp(mod); 1493 1494 bfa_mem_kva_curp(mod) += mod->num_lps * sizeof(struct bfa_lps_s); 1495 1496 INIT_LIST_HEAD(&mod->lps_free_q); 1497 INIT_LIST_HEAD(&mod->lps_active_q); 1498 INIT_LIST_HEAD(&mod->lps_login_q); 1499 1500 for (i = 0; i < mod->num_lps; i++, lps++) { 1501 lps->bfa = bfa; 1502 lps->bfa_tag = (u8) i; 1503 lps->reqq = BFA_REQQ_LPS; 1504 bfa_reqq_winit(&lps->wqe, bfa_lps_reqq_resume, lps); 1505 list_add_tail(&lps->qe, &mod->lps_free_q); 1506 } 1507 } 1508 1509 /* 1510 * IOC in disabled state -- consider all lps offline 1511 */ 1512 void 1513 bfa_lps_iocdisable(struct bfa_s *bfa) 1514 { 1515 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); 1516 struct bfa_lps_s *lps; 1517 struct list_head *qe, *qen; 1518 1519 list_for_each_safe(qe, qen, &mod->lps_active_q) { 1520 lps = (struct bfa_lps_s *) qe; 1521 bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE); 1522 } 1523 list_for_each_safe(qe, qen, &mod->lps_login_q) { 1524 lps = (struct bfa_lps_s *) qe; 1525 bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE); 1526 } 1527 list_splice_tail_init(&mod->lps_login_q, &mod->lps_active_q); 1528 } 1529 1530 /* 1531 * Firmware login response 1532 */ 1533 static void 1534 bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp) 1535 { 1536 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); 1537 struct bfa_lps_s *lps; 1538 1539 WARN_ON(rsp->bfa_tag >= mod->num_lps); 1540 lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag); 1541 1542 lps->status = rsp->status; 1543 switch (rsp->status) { 1544 case BFA_STATUS_OK: 1545 lps->fw_tag = rsp->fw_tag; 1546 lps->fport = rsp->f_port; 1547 if (lps->fport) 1548 lps->lp_pid = rsp->lp_pid; 1549 lps->npiv_en = rsp->npiv_en; 1550 lps->pr_bbcred = be16_to_cpu(rsp->bb_credit); 1551 lps->pr_pwwn = rsp->port_name; 1552 lps->pr_nwwn = rsp->node_name; 1553 lps->auth_req = rsp->auth_req; 1554 lps->lp_mac = rsp->lp_mac; 1555 lps->brcd_switch = rsp->brcd_switch; 1556 lps->fcf_mac = rsp->fcf_mac; 1557 1558 break; 1559 1560 case BFA_STATUS_FABRIC_RJT: 1561 lps->lsrjt_rsn = rsp->lsrjt_rsn; 1562 lps->lsrjt_expl = rsp->lsrjt_expl; 1563 1564 break; 1565 1566 case BFA_STATUS_EPROTOCOL: 1567 lps->ext_status = rsp->ext_status; 1568 1569 break; 1570 1571 case BFA_STATUS_VPORT_MAX: 1572 if (rsp->ext_status) 1573 bfa_lps_no_res(lps, rsp->ext_status); 1574 break; 1575 1576 default: 1577 /* Nothing to do with other status */ 1578 break; 1579 } 1580 1581 list_del(&lps->qe); 1582 list_add_tail(&lps->qe, &mod->lps_active_q); 1583 bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP); 1584 } 1585 1586 static void 1587 bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count) 1588 { 1589 struct bfa_s *bfa = first_lps->bfa; 1590 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); 1591 struct list_head *qe, *qe_next; 1592 struct bfa_lps_s *lps; 1593 1594 bfa_trc(bfa, count); 1595 1596 qe = bfa_q_next(first_lps); 1597 1598 while (count && qe) { 1599 qe_next = bfa_q_next(qe); 1600 lps = (struct bfa_lps_s *)qe; 1601 bfa_trc(bfa, lps->bfa_tag); 1602 lps->status = first_lps->status; 1603 list_del(&lps->qe); 1604 list_add_tail(&lps->qe, &mod->lps_active_q); 1605 bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP); 1606 qe = qe_next; 1607 count--; 1608 } 1609 } 1610 1611 /* 1612 * Firmware logout response 1613 */ 1614 static void 1615 bfa_lps_logout_rsp(struct bfa_s *bfa, struct bfi_lps_logout_rsp_s *rsp) 1616 { 1617 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); 1618 struct bfa_lps_s *lps; 1619 1620 WARN_ON(rsp->bfa_tag >= mod->num_lps); 1621 lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag); 1622 1623 bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP); 1624 } 1625 1626 /* 1627 * Firmware received a Clear virtual link request (for FCoE) 1628 */ 1629 static void 1630 bfa_lps_rx_cvl_event(struct bfa_s *bfa, struct bfi_lps_cvl_event_s *cvl) 1631 { 1632 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); 1633 struct bfa_lps_s *lps; 1634 1635 lps = BFA_LPS_FROM_TAG(mod, cvl->bfa_tag); 1636 1637 bfa_sm_send_event(lps, BFA_LPS_SM_RX_CVL); 1638 } 1639 1640 /* 1641 * Space is available in request queue, resume queueing request to firmware. 1642 */ 1643 static void 1644 bfa_lps_reqq_resume(void *lps_arg) 1645 { 1646 struct bfa_lps_s *lps = lps_arg; 1647 1648 bfa_sm_send_event(lps, BFA_LPS_SM_RESUME); 1649 } 1650 1651 /* 1652 * lps is freed -- triggered by vport delete 1653 */ 1654 static void 1655 bfa_lps_free(struct bfa_lps_s *lps) 1656 { 1657 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(lps->bfa); 1658 1659 lps->lp_pid = 0; 1660 list_del(&lps->qe); 1661 list_add_tail(&lps->qe, &mod->lps_free_q); 1662 } 1663 1664 /* 1665 * send login request to firmware 1666 */ 1667 static void 1668 bfa_lps_send_login(struct bfa_lps_s *lps) 1669 { 1670 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(lps->bfa); 1671 struct bfi_lps_login_req_s *m; 1672 1673 m = bfa_reqq_next(lps->bfa, lps->reqq); 1674 WARN_ON(!m); 1675 1676 bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGIN_REQ, 1677 bfa_fn_lpu(lps->bfa)); 1678 1679 m->bfa_tag = lps->bfa_tag; 1680 m->alpa = lps->alpa; 1681 m->pdu_size = cpu_to_be16(lps->pdusz); 1682 m->pwwn = lps->pwwn; 1683 m->nwwn = lps->nwwn; 1684 m->fdisc = lps->fdisc; 1685 m->auth_en = lps->auth_en; 1686 1687 bfa_reqq_produce(lps->bfa, lps->reqq, m->mh); 1688 list_del(&lps->qe); 1689 list_add_tail(&lps->qe, &mod->lps_login_q); 1690 } 1691 1692 /* 1693 * send logout request to firmware 1694 */ 1695 static void 1696 bfa_lps_send_logout(struct bfa_lps_s *lps) 1697 { 1698 struct bfi_lps_logout_req_s *m; 1699 1700 m = bfa_reqq_next(lps->bfa, lps->reqq); 1701 WARN_ON(!m); 1702 1703 bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGOUT_REQ, 1704 bfa_fn_lpu(lps->bfa)); 1705 1706 m->fw_tag = lps->fw_tag; 1707 m->port_name = lps->pwwn; 1708 bfa_reqq_produce(lps->bfa, lps->reqq, m->mh); 1709 } 1710 1711 /* 1712 * send n2n pid set request to firmware 1713 */ 1714 static void 1715 bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps) 1716 { 1717 struct bfi_lps_n2n_pid_req_s *m; 1718 1719 m = bfa_reqq_next(lps->bfa, lps->reqq); 1720 WARN_ON(!m); 1721 1722 bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_N2N_PID_REQ, 1723 bfa_fn_lpu(lps->bfa)); 1724 1725 m->fw_tag = lps->fw_tag; 1726 m->lp_pid = lps->lp_pid; 1727 bfa_reqq_produce(lps->bfa, lps->reqq, m->mh); 1728 } 1729 1730 /* 1731 * Indirect login completion handler for non-fcs 1732 */ 1733 static void 1734 bfa_lps_login_comp_cb(void *arg, bfa_boolean_t complete) 1735 { 1736 struct bfa_lps_s *lps = arg; 1737 1738 if (!complete) 1739 return; 1740 1741 if (lps->fdisc) 1742 bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status); 1743 else 1744 bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status); 1745 } 1746 1747 /* 1748 * Login completion handler -- direct call for fcs, queue for others 1749 */ 1750 static void 1751 bfa_lps_login_comp(struct bfa_lps_s *lps) 1752 { 1753 if (!lps->bfa->fcs) { 1754 bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_login_comp_cb, 1755 lps); 1756 return; 1757 } 1758 1759 if (lps->fdisc) 1760 bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status); 1761 else 1762 bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status); 1763 } 1764 1765 /* 1766 * Indirect logout completion handler for non-fcs 1767 */ 1768 static void 1769 bfa_lps_logout_comp_cb(void *arg, bfa_boolean_t complete) 1770 { 1771 struct bfa_lps_s *lps = arg; 1772 1773 if (!complete) 1774 return; 1775 1776 if (lps->fdisc) 1777 bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg); 1778 else 1779 bfa_cb_lps_flogo_comp(lps->bfa->bfad, lps->uarg); 1780 } 1781 1782 /* 1783 * Logout completion handler -- direct call for fcs, queue for others 1784 */ 1785 static void 1786 bfa_lps_logout_comp(struct bfa_lps_s *lps) 1787 { 1788 if (!lps->bfa->fcs) { 1789 bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_logout_comp_cb, 1790 lps); 1791 return; 1792 } 1793 if (lps->fdisc) 1794 bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg); 1795 } 1796 1797 /* 1798 * Clear virtual link completion handler for non-fcs 1799 */ 1800 static void 1801 bfa_lps_cvl_event_cb(void *arg, bfa_boolean_t complete) 1802 { 1803 struct bfa_lps_s *lps = arg; 1804 1805 if (!complete) 1806 return; 1807 1808 /* Clear virtual link to base port will result in link down */ 1809 if (lps->fdisc) 1810 bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg); 1811 } 1812 1813 /* 1814 * Received Clear virtual link event --direct call for fcs, 1815 * queue for others 1816 */ 1817 static void 1818 bfa_lps_cvl_event(struct bfa_lps_s *lps) 1819 { 1820 if (!lps->bfa->fcs) { 1821 bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_cvl_event_cb, 1822 lps); 1823 return; 1824 } 1825 1826 /* Clear virtual link to base port will result in link down */ 1827 if (lps->fdisc) 1828 bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg); 1829 } 1830 1831 1832 1833 /* 1834 * lps_public BFA LPS public functions 1835 */ 1836 1837 u32 1838 bfa_lps_get_max_vport(struct bfa_s *bfa) 1839 { 1840 if (bfa_ioc_devid(&bfa->ioc) == BFA_PCI_DEVICE_ID_CT) 1841 return BFA_LPS_MAX_VPORTS_SUPP_CT; 1842 else 1843 return BFA_LPS_MAX_VPORTS_SUPP_CB; 1844 } 1845 1846 /* 1847 * Allocate a lport srvice tag. 1848 */ 1849 struct bfa_lps_s * 1850 bfa_lps_alloc(struct bfa_s *bfa) 1851 { 1852 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); 1853 struct bfa_lps_s *lps = NULL; 1854 1855 bfa_q_deq(&mod->lps_free_q, &lps); 1856 1857 if (lps == NULL) 1858 return NULL; 1859 1860 list_add_tail(&lps->qe, &mod->lps_active_q); 1861 1862 bfa_sm_set_state(lps, bfa_lps_sm_init); 1863 return lps; 1864 } 1865 1866 /* 1867 * Free lport service tag. This can be called anytime after an alloc. 1868 * No need to wait for any pending login/logout completions. 1869 */ 1870 void 1871 bfa_lps_delete(struct bfa_lps_s *lps) 1872 { 1873 bfa_sm_send_event(lps, BFA_LPS_SM_DELETE); 1874 } 1875 1876 /* 1877 * Initiate a lport login. 1878 */ 1879 void 1880 bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz, 1881 wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en) 1882 { 1883 lps->uarg = uarg; 1884 lps->alpa = alpa; 1885 lps->pdusz = pdusz; 1886 lps->pwwn = pwwn; 1887 lps->nwwn = nwwn; 1888 lps->fdisc = BFA_FALSE; 1889 lps->auth_en = auth_en; 1890 bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN); 1891 } 1892 1893 /* 1894 * Initiate a lport fdisc login. 1895 */ 1896 void 1897 bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn, 1898 wwn_t nwwn) 1899 { 1900 lps->uarg = uarg; 1901 lps->alpa = 0; 1902 lps->pdusz = pdusz; 1903 lps->pwwn = pwwn; 1904 lps->nwwn = nwwn; 1905 lps->fdisc = BFA_TRUE; 1906 lps->auth_en = BFA_FALSE; 1907 bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN); 1908 } 1909 1910 1911 /* 1912 * Initiate a lport FDSIC logout. 1913 */ 1914 void 1915 bfa_lps_fdisclogo(struct bfa_lps_s *lps) 1916 { 1917 bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT); 1918 } 1919 1920 u8 1921 bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag) 1922 { 1923 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); 1924 1925 return BFA_LPS_FROM_TAG(mod, lp_tag)->fw_tag; 1926 } 1927 1928 /* 1929 * Return lport services tag given the pid 1930 */ 1931 u8 1932 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid) 1933 { 1934 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); 1935 struct bfa_lps_s *lps; 1936 int i; 1937 1938 for (i = 0, lps = mod->lps_arr; i < mod->num_lps; i++, lps++) { 1939 if (lps->lp_pid == pid) 1940 return lps->bfa_tag; 1941 } 1942 1943 /* Return base port tag anyway */ 1944 return 0; 1945 } 1946 1947 1948 /* 1949 * return port id assigned to the base lport 1950 */ 1951 u32 1952 bfa_lps_get_base_pid(struct bfa_s *bfa) 1953 { 1954 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa); 1955 1956 return BFA_LPS_FROM_TAG(mod, 0)->lp_pid; 1957 } 1958 1959 /* 1960 * Set PID in case of n2n (which is assigned during PLOGI) 1961 */ 1962 void 1963 bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, uint32_t n2n_pid) 1964 { 1965 bfa_trc(lps->bfa, lps->bfa_tag); 1966 bfa_trc(lps->bfa, n2n_pid); 1967 1968 lps->lp_pid = n2n_pid; 1969 bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID); 1970 } 1971 1972 /* 1973 * LPS firmware message class handler. 1974 */ 1975 void 1976 bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *m) 1977 { 1978 union bfi_lps_i2h_msg_u msg; 1979 1980 bfa_trc(bfa, m->mhdr.msg_id); 1981 msg.msg = m; 1982 1983 switch (m->mhdr.msg_id) { 1984 case BFI_LPS_I2H_LOGIN_RSP: 1985 bfa_lps_login_rsp(bfa, msg.login_rsp); 1986 break; 1987 1988 case BFI_LPS_I2H_LOGOUT_RSP: 1989 bfa_lps_logout_rsp(bfa, msg.logout_rsp); 1990 break; 1991 1992 case BFI_LPS_I2H_CVL_EVENT: 1993 bfa_lps_rx_cvl_event(bfa, msg.cvl_event); 1994 break; 1995 1996 default: 1997 bfa_trc(bfa, m->mhdr.msg_id); 1998 WARN_ON(1); 1999 } 2000 } 2001 2002 static void 2003 bfa_fcport_aen_post(struct bfa_fcport_s *fcport, enum bfa_port_aen_event event) 2004 { 2005 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad; 2006 struct bfa_aen_entry_s *aen_entry; 2007 2008 bfad_get_aen_entry(bfad, aen_entry); 2009 if (!aen_entry) 2010 return; 2011 2012 aen_entry->aen_data.port.ioc_type = bfa_get_type(fcport->bfa); 2013 aen_entry->aen_data.port.pwwn = fcport->pwwn; 2014 2015 /* Send the AEN notification */ 2016 bfad_im_post_vendor_event(aen_entry, bfad, ++fcport->bfa->bfa_aen_seq, 2017 BFA_AEN_CAT_PORT, event); 2018 } 2019 2020 /* 2021 * FC PORT state machine functions 2022 */ 2023 static void 2024 bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport, 2025 enum bfa_fcport_sm_event event) 2026 { 2027 bfa_trc(fcport->bfa, event); 2028 2029 switch (event) { 2030 case BFA_FCPORT_SM_START: 2031 /* 2032 * Start event after IOC is configured and BFA is started. 2033 */ 2034 fcport->use_flash_cfg = BFA_TRUE; 2035 2036 if (bfa_fcport_send_enable(fcport)) { 2037 bfa_trc(fcport->bfa, BFA_TRUE); 2038 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); 2039 } else { 2040 bfa_trc(fcport->bfa, BFA_FALSE); 2041 bfa_sm_set_state(fcport, 2042 bfa_fcport_sm_enabling_qwait); 2043 } 2044 break; 2045 2046 case BFA_FCPORT_SM_ENABLE: 2047 /* 2048 * Port is persistently configured to be in enabled state. Do 2049 * not change state. Port enabling is done when START event is 2050 * received. 2051 */ 2052 break; 2053 2054 case BFA_FCPORT_SM_DISABLE: 2055 /* 2056 * If a port is persistently configured to be disabled, the 2057 * first event will a port disable request. 2058 */ 2059 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled); 2060 break; 2061 2062 case BFA_FCPORT_SM_HWFAIL: 2063 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); 2064 break; 2065 2066 default: 2067 bfa_sm_fault(fcport->bfa, event); 2068 } 2069 } 2070 2071 static void 2072 bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport, 2073 enum bfa_fcport_sm_event event) 2074 { 2075 char pwwn_buf[BFA_STRING_32]; 2076 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad; 2077 bfa_trc(fcport->bfa, event); 2078 2079 switch (event) { 2080 case BFA_FCPORT_SM_QRESUME: 2081 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); 2082 bfa_fcport_send_enable(fcport); 2083 break; 2084 2085 case BFA_FCPORT_SM_STOP: 2086 bfa_reqq_wcancel(&fcport->reqq_wait); 2087 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); 2088 break; 2089 2090 case BFA_FCPORT_SM_ENABLE: 2091 /* 2092 * Already enable is in progress. 2093 */ 2094 break; 2095 2096 case BFA_FCPORT_SM_DISABLE: 2097 /* 2098 * Just send disable request to firmware when room becomes 2099 * available in request queue. 2100 */ 2101 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled); 2102 bfa_reqq_wcancel(&fcport->reqq_wait); 2103 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 2104 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); 2105 wwn2str(pwwn_buf, fcport->pwwn); 2106 BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2107 "Base port disabled: WWN = %s\n", pwwn_buf); 2108 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE); 2109 break; 2110 2111 case BFA_FCPORT_SM_LINKUP: 2112 case BFA_FCPORT_SM_LINKDOWN: 2113 /* 2114 * Possible to get link events when doing back-to-back 2115 * enable/disables. 2116 */ 2117 break; 2118 2119 case BFA_FCPORT_SM_HWFAIL: 2120 bfa_reqq_wcancel(&fcport->reqq_wait); 2121 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); 2122 break; 2123 2124 case BFA_FCPORT_SM_FAA_MISCONFIG: 2125 bfa_fcport_reset_linkinfo(fcport); 2126 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT); 2127 bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig); 2128 break; 2129 2130 default: 2131 bfa_sm_fault(fcport->bfa, event); 2132 } 2133 } 2134 2135 static void 2136 bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport, 2137 enum bfa_fcport_sm_event event) 2138 { 2139 char pwwn_buf[BFA_STRING_32]; 2140 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad; 2141 bfa_trc(fcport->bfa, event); 2142 2143 switch (event) { 2144 case BFA_FCPORT_SM_FWRSP: 2145 case BFA_FCPORT_SM_LINKDOWN: 2146 bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown); 2147 break; 2148 2149 case BFA_FCPORT_SM_LINKUP: 2150 bfa_fcport_update_linkinfo(fcport); 2151 bfa_sm_set_state(fcport, bfa_fcport_sm_linkup); 2152 2153 WARN_ON(!fcport->event_cbfn); 2154 bfa_fcport_scn(fcport, BFA_PORT_LINKUP, BFA_FALSE); 2155 break; 2156 2157 case BFA_FCPORT_SM_ENABLE: 2158 /* 2159 * Already being enabled. 2160 */ 2161 break; 2162 2163 case BFA_FCPORT_SM_DISABLE: 2164 if (bfa_fcport_send_disable(fcport)) 2165 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling); 2166 else 2167 bfa_sm_set_state(fcport, 2168 bfa_fcport_sm_disabling_qwait); 2169 2170 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 2171 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); 2172 wwn2str(pwwn_buf, fcport->pwwn); 2173 BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2174 "Base port disabled: WWN = %s\n", pwwn_buf); 2175 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE); 2176 break; 2177 2178 case BFA_FCPORT_SM_STOP: 2179 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); 2180 break; 2181 2182 case BFA_FCPORT_SM_HWFAIL: 2183 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); 2184 break; 2185 2186 case BFA_FCPORT_SM_FAA_MISCONFIG: 2187 bfa_fcport_reset_linkinfo(fcport); 2188 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT); 2189 bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig); 2190 break; 2191 2192 default: 2193 bfa_sm_fault(fcport->bfa, event); 2194 } 2195 } 2196 2197 static void 2198 bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport, 2199 enum bfa_fcport_sm_event event) 2200 { 2201 struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event; 2202 char pwwn_buf[BFA_STRING_32]; 2203 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad; 2204 2205 bfa_trc(fcport->bfa, event); 2206 2207 switch (event) { 2208 case BFA_FCPORT_SM_LINKUP: 2209 bfa_fcport_update_linkinfo(fcport); 2210 bfa_sm_set_state(fcport, bfa_fcport_sm_linkup); 2211 WARN_ON(!fcport->event_cbfn); 2212 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 2213 BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup"); 2214 if (!bfa_ioc_get_fcmode(&fcport->bfa->ioc)) { 2215 2216 bfa_trc(fcport->bfa, 2217 pevent->link_state.attr.vc_fcf.fcf.fipenabled); 2218 bfa_trc(fcport->bfa, 2219 pevent->link_state.attr.vc_fcf.fcf.fipfailed); 2220 2221 if (pevent->link_state.attr.vc_fcf.fcf.fipfailed) 2222 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 2223 BFA_PL_EID_FIP_FCF_DISC, 0, 2224 "FIP FCF Discovery Failed"); 2225 else 2226 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 2227 BFA_PL_EID_FIP_FCF_DISC, 0, 2228 "FIP FCF Discovered"); 2229 } 2230 2231 bfa_fcport_scn(fcport, BFA_PORT_LINKUP, BFA_FALSE); 2232 wwn2str(pwwn_buf, fcport->pwwn); 2233 BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2234 "Base port online: WWN = %s\n", pwwn_buf); 2235 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ONLINE); 2236 2237 /* If QoS is enabled and it is not online, send AEN */ 2238 if (fcport->cfg.qos_enabled && 2239 fcport->qos_attr.state != BFA_QOS_ONLINE) 2240 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_QOS_NEG); 2241 break; 2242 2243 case BFA_FCPORT_SM_LINKDOWN: 2244 /* 2245 * Possible to get link down event. 2246 */ 2247 break; 2248 2249 case BFA_FCPORT_SM_ENABLE: 2250 /* 2251 * Already enabled. 2252 */ 2253 break; 2254 2255 case BFA_FCPORT_SM_DISABLE: 2256 if (bfa_fcport_send_disable(fcport)) 2257 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling); 2258 else 2259 bfa_sm_set_state(fcport, 2260 bfa_fcport_sm_disabling_qwait); 2261 2262 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 2263 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); 2264 wwn2str(pwwn_buf, fcport->pwwn); 2265 BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2266 "Base port disabled: WWN = %s\n", pwwn_buf); 2267 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE); 2268 break; 2269 2270 case BFA_FCPORT_SM_STOP: 2271 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); 2272 break; 2273 2274 case BFA_FCPORT_SM_HWFAIL: 2275 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); 2276 break; 2277 2278 case BFA_FCPORT_SM_FAA_MISCONFIG: 2279 bfa_fcport_reset_linkinfo(fcport); 2280 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT); 2281 bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig); 2282 break; 2283 2284 default: 2285 bfa_sm_fault(fcport->bfa, event); 2286 } 2287 } 2288 2289 static void 2290 bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport, 2291 enum bfa_fcport_sm_event event) 2292 { 2293 char pwwn_buf[BFA_STRING_32]; 2294 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad; 2295 2296 bfa_trc(fcport->bfa, event); 2297 2298 switch (event) { 2299 case BFA_FCPORT_SM_ENABLE: 2300 /* 2301 * Already enabled. 2302 */ 2303 break; 2304 2305 case BFA_FCPORT_SM_DISABLE: 2306 if (bfa_fcport_send_disable(fcport)) 2307 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling); 2308 else 2309 bfa_sm_set_state(fcport, 2310 bfa_fcport_sm_disabling_qwait); 2311 2312 bfa_fcport_reset_linkinfo(fcport); 2313 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE); 2314 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 2315 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); 2316 wwn2str(pwwn_buf, fcport->pwwn); 2317 BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2318 "Base port offline: WWN = %s\n", pwwn_buf); 2319 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE); 2320 BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2321 "Base port disabled: WWN = %s\n", pwwn_buf); 2322 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE); 2323 break; 2324 2325 case BFA_FCPORT_SM_LINKDOWN: 2326 bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown); 2327 bfa_fcport_reset_linkinfo(fcport); 2328 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE); 2329 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 2330 BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown"); 2331 wwn2str(pwwn_buf, fcport->pwwn); 2332 if (BFA_PORT_IS_DISABLED(fcport->bfa)) { 2333 BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2334 "Base port offline: WWN = %s\n", pwwn_buf); 2335 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE); 2336 } else { 2337 BFA_LOG(KERN_ERR, bfad, bfa_log_level, 2338 "Base port (WWN = %s) " 2339 "lost fabric connectivity\n", pwwn_buf); 2340 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT); 2341 } 2342 break; 2343 2344 case BFA_FCPORT_SM_STOP: 2345 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); 2346 bfa_fcport_reset_linkinfo(fcport); 2347 wwn2str(pwwn_buf, fcport->pwwn); 2348 if (BFA_PORT_IS_DISABLED(fcport->bfa)) { 2349 BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2350 "Base port offline: WWN = %s\n", pwwn_buf); 2351 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE); 2352 } else { 2353 BFA_LOG(KERN_ERR, bfad, bfa_log_level, 2354 "Base port (WWN = %s) " 2355 "lost fabric connectivity\n", pwwn_buf); 2356 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT); 2357 } 2358 break; 2359 2360 case BFA_FCPORT_SM_HWFAIL: 2361 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); 2362 bfa_fcport_reset_linkinfo(fcport); 2363 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE); 2364 wwn2str(pwwn_buf, fcport->pwwn); 2365 if (BFA_PORT_IS_DISABLED(fcport->bfa)) { 2366 BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2367 "Base port offline: WWN = %s\n", pwwn_buf); 2368 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE); 2369 } else { 2370 BFA_LOG(KERN_ERR, bfad, bfa_log_level, 2371 "Base port (WWN = %s) " 2372 "lost fabric connectivity\n", pwwn_buf); 2373 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT); 2374 } 2375 break; 2376 2377 case BFA_FCPORT_SM_FAA_MISCONFIG: 2378 bfa_fcport_reset_linkinfo(fcport); 2379 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT); 2380 bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig); 2381 break; 2382 2383 default: 2384 bfa_sm_fault(fcport->bfa, event); 2385 } 2386 } 2387 2388 static void 2389 bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport, 2390 enum bfa_fcport_sm_event event) 2391 { 2392 bfa_trc(fcport->bfa, event); 2393 2394 switch (event) { 2395 case BFA_FCPORT_SM_QRESUME: 2396 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling); 2397 bfa_fcport_send_disable(fcport); 2398 break; 2399 2400 case BFA_FCPORT_SM_STOP: 2401 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); 2402 bfa_reqq_wcancel(&fcport->reqq_wait); 2403 break; 2404 2405 case BFA_FCPORT_SM_ENABLE: 2406 bfa_sm_set_state(fcport, bfa_fcport_sm_toggling_qwait); 2407 break; 2408 2409 case BFA_FCPORT_SM_DISABLE: 2410 /* 2411 * Already being disabled. 2412 */ 2413 break; 2414 2415 case BFA_FCPORT_SM_LINKUP: 2416 case BFA_FCPORT_SM_LINKDOWN: 2417 /* 2418 * Possible to get link events when doing back-to-back 2419 * enable/disables. 2420 */ 2421 break; 2422 2423 case BFA_FCPORT_SM_HWFAIL: 2424 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail); 2425 bfa_reqq_wcancel(&fcport->reqq_wait); 2426 break; 2427 2428 case BFA_FCPORT_SM_FAA_MISCONFIG: 2429 bfa_fcport_reset_linkinfo(fcport); 2430 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT); 2431 bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig); 2432 break; 2433 2434 default: 2435 bfa_sm_fault(fcport->bfa, event); 2436 } 2437 } 2438 2439 static void 2440 bfa_fcport_sm_toggling_qwait(struct bfa_fcport_s *fcport, 2441 enum bfa_fcport_sm_event event) 2442 { 2443 bfa_trc(fcport->bfa, event); 2444 2445 switch (event) { 2446 case BFA_FCPORT_SM_QRESUME: 2447 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling); 2448 bfa_fcport_send_disable(fcport); 2449 if (bfa_fcport_send_enable(fcport)) 2450 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); 2451 else 2452 bfa_sm_set_state(fcport, 2453 bfa_fcport_sm_enabling_qwait); 2454 break; 2455 2456 case BFA_FCPORT_SM_STOP: 2457 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); 2458 bfa_reqq_wcancel(&fcport->reqq_wait); 2459 break; 2460 2461 case BFA_FCPORT_SM_ENABLE: 2462 break; 2463 2464 case BFA_FCPORT_SM_DISABLE: 2465 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait); 2466 break; 2467 2468 case BFA_FCPORT_SM_LINKUP: 2469 case BFA_FCPORT_SM_LINKDOWN: 2470 /* 2471 * Possible to get link events when doing back-to-back 2472 * enable/disables. 2473 */ 2474 break; 2475 2476 case BFA_FCPORT_SM_HWFAIL: 2477 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail); 2478 bfa_reqq_wcancel(&fcport->reqq_wait); 2479 break; 2480 2481 default: 2482 bfa_sm_fault(fcport->bfa, event); 2483 } 2484 } 2485 2486 static void 2487 bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport, 2488 enum bfa_fcport_sm_event event) 2489 { 2490 char pwwn_buf[BFA_STRING_32]; 2491 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad; 2492 bfa_trc(fcport->bfa, event); 2493 2494 switch (event) { 2495 case BFA_FCPORT_SM_FWRSP: 2496 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled); 2497 break; 2498 2499 case BFA_FCPORT_SM_DISABLE: 2500 /* 2501 * Already being disabled. 2502 */ 2503 break; 2504 2505 case BFA_FCPORT_SM_ENABLE: 2506 if (bfa_fcport_send_enable(fcport)) 2507 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); 2508 else 2509 bfa_sm_set_state(fcport, 2510 bfa_fcport_sm_enabling_qwait); 2511 2512 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 2513 BFA_PL_EID_PORT_ENABLE, 0, "Port Enable"); 2514 wwn2str(pwwn_buf, fcport->pwwn); 2515 BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2516 "Base port enabled: WWN = %s\n", pwwn_buf); 2517 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE); 2518 break; 2519 2520 case BFA_FCPORT_SM_STOP: 2521 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); 2522 break; 2523 2524 case BFA_FCPORT_SM_LINKUP: 2525 case BFA_FCPORT_SM_LINKDOWN: 2526 /* 2527 * Possible to get link events when doing back-to-back 2528 * enable/disables. 2529 */ 2530 break; 2531 2532 case BFA_FCPORT_SM_HWFAIL: 2533 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail); 2534 break; 2535 2536 default: 2537 bfa_sm_fault(fcport->bfa, event); 2538 } 2539 } 2540 2541 static void 2542 bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport, 2543 enum bfa_fcport_sm_event event) 2544 { 2545 char pwwn_buf[BFA_STRING_32]; 2546 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad; 2547 bfa_trc(fcport->bfa, event); 2548 2549 switch (event) { 2550 case BFA_FCPORT_SM_START: 2551 /* 2552 * Ignore start event for a port that is disabled. 2553 */ 2554 break; 2555 2556 case BFA_FCPORT_SM_STOP: 2557 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); 2558 break; 2559 2560 case BFA_FCPORT_SM_ENABLE: 2561 if (bfa_fcport_send_enable(fcport)) 2562 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); 2563 else 2564 bfa_sm_set_state(fcport, 2565 bfa_fcport_sm_enabling_qwait); 2566 2567 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 2568 BFA_PL_EID_PORT_ENABLE, 0, "Port Enable"); 2569 wwn2str(pwwn_buf, fcport->pwwn); 2570 BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2571 "Base port enabled: WWN = %s\n", pwwn_buf); 2572 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE); 2573 break; 2574 2575 case BFA_FCPORT_SM_DISABLE: 2576 /* 2577 * Already disabled. 2578 */ 2579 break; 2580 2581 case BFA_FCPORT_SM_HWFAIL: 2582 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail); 2583 break; 2584 2585 case BFA_FCPORT_SM_DPORTENABLE: 2586 bfa_sm_set_state(fcport, bfa_fcport_sm_dport); 2587 break; 2588 2589 case BFA_FCPORT_SM_DDPORTENABLE: 2590 bfa_sm_set_state(fcport, bfa_fcport_sm_ddport); 2591 break; 2592 2593 default: 2594 bfa_sm_fault(fcport->bfa, event); 2595 } 2596 } 2597 2598 static void 2599 bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport, 2600 enum bfa_fcport_sm_event event) 2601 { 2602 bfa_trc(fcport->bfa, event); 2603 2604 switch (event) { 2605 case BFA_FCPORT_SM_START: 2606 if (bfa_fcport_send_enable(fcport)) 2607 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); 2608 else 2609 bfa_sm_set_state(fcport, 2610 bfa_fcport_sm_enabling_qwait); 2611 break; 2612 2613 default: 2614 /* 2615 * Ignore all other events. 2616 */ 2617 ; 2618 } 2619 } 2620 2621 /* 2622 * Port is enabled. IOC is down/failed. 2623 */ 2624 static void 2625 bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport, 2626 enum bfa_fcport_sm_event event) 2627 { 2628 bfa_trc(fcport->bfa, event); 2629 2630 switch (event) { 2631 case BFA_FCPORT_SM_START: 2632 if (bfa_fcport_send_enable(fcport)) 2633 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); 2634 else 2635 bfa_sm_set_state(fcport, 2636 bfa_fcport_sm_enabling_qwait); 2637 break; 2638 2639 default: 2640 /* 2641 * Ignore all events. 2642 */ 2643 ; 2644 } 2645 } 2646 2647 /* 2648 * Port is disabled. IOC is down/failed. 2649 */ 2650 static void 2651 bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport, 2652 enum bfa_fcport_sm_event event) 2653 { 2654 bfa_trc(fcport->bfa, event); 2655 2656 switch (event) { 2657 case BFA_FCPORT_SM_START: 2658 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled); 2659 break; 2660 2661 case BFA_FCPORT_SM_ENABLE: 2662 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); 2663 break; 2664 2665 default: 2666 /* 2667 * Ignore all events. 2668 */ 2669 ; 2670 } 2671 } 2672 2673 static void 2674 bfa_fcport_sm_dport(struct bfa_fcport_s *fcport, enum bfa_fcport_sm_event event) 2675 { 2676 bfa_trc(fcport->bfa, event); 2677 2678 switch (event) { 2679 case BFA_FCPORT_SM_DPORTENABLE: 2680 case BFA_FCPORT_SM_DISABLE: 2681 case BFA_FCPORT_SM_ENABLE: 2682 case BFA_FCPORT_SM_START: 2683 /* 2684 * Ignore event for a port that is dport 2685 */ 2686 break; 2687 2688 case BFA_FCPORT_SM_STOP: 2689 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); 2690 break; 2691 2692 case BFA_FCPORT_SM_HWFAIL: 2693 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail); 2694 break; 2695 2696 case BFA_FCPORT_SM_DPORTDISABLE: 2697 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled); 2698 break; 2699 2700 default: 2701 bfa_sm_fault(fcport->bfa, event); 2702 } 2703 } 2704 2705 static void 2706 bfa_fcport_sm_ddport(struct bfa_fcport_s *fcport, 2707 enum bfa_fcport_sm_event event) 2708 { 2709 bfa_trc(fcport->bfa, event); 2710 2711 switch (event) { 2712 case BFA_FCPORT_SM_DISABLE: 2713 case BFA_FCPORT_SM_DDPORTDISABLE: 2714 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled); 2715 break; 2716 2717 case BFA_FCPORT_SM_DPORTENABLE: 2718 case BFA_FCPORT_SM_DPORTDISABLE: 2719 case BFA_FCPORT_SM_ENABLE: 2720 case BFA_FCPORT_SM_START: 2721 /** 2722 * Ignore event for a port that is ddport 2723 */ 2724 break; 2725 2726 case BFA_FCPORT_SM_STOP: 2727 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); 2728 break; 2729 2730 case BFA_FCPORT_SM_HWFAIL: 2731 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail); 2732 break; 2733 2734 default: 2735 bfa_sm_fault(fcport->bfa, event); 2736 } 2737 } 2738 2739 static void 2740 bfa_fcport_sm_faa_misconfig(struct bfa_fcport_s *fcport, 2741 enum bfa_fcport_sm_event event) 2742 { 2743 bfa_trc(fcport->bfa, event); 2744 2745 switch (event) { 2746 case BFA_FCPORT_SM_DPORTENABLE: 2747 case BFA_FCPORT_SM_ENABLE: 2748 case BFA_FCPORT_SM_START: 2749 /* 2750 * Ignore event for a port as there is FAA misconfig 2751 */ 2752 break; 2753 2754 case BFA_FCPORT_SM_DISABLE: 2755 if (bfa_fcport_send_disable(fcport)) 2756 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling); 2757 else 2758 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait); 2759 2760 bfa_fcport_reset_linkinfo(fcport); 2761 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE); 2762 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 2763 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); 2764 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE); 2765 break; 2766 2767 case BFA_FCPORT_SM_STOP: 2768 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); 2769 break; 2770 2771 case BFA_FCPORT_SM_HWFAIL: 2772 bfa_fcport_reset_linkinfo(fcport); 2773 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE); 2774 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); 2775 break; 2776 2777 default: 2778 bfa_sm_fault(fcport->bfa, event); 2779 } 2780 } 2781 2782 /* 2783 * Link state is down 2784 */ 2785 static void 2786 bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln, 2787 enum bfa_fcport_ln_sm_event event) 2788 { 2789 bfa_trc(ln->fcport->bfa, event); 2790 2791 switch (event) { 2792 case BFA_FCPORT_LN_SM_LINKUP: 2793 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf); 2794 bfa_fcport_queue_cb(ln, BFA_PORT_LINKUP); 2795 break; 2796 2797 default: 2798 bfa_sm_fault(ln->fcport->bfa, event); 2799 } 2800 } 2801 2802 /* 2803 * Link state is waiting for down notification 2804 */ 2805 static void 2806 bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln, 2807 enum bfa_fcport_ln_sm_event event) 2808 { 2809 bfa_trc(ln->fcport->bfa, event); 2810 2811 switch (event) { 2812 case BFA_FCPORT_LN_SM_LINKUP: 2813 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf); 2814 break; 2815 2816 case BFA_FCPORT_LN_SM_NOTIFICATION: 2817 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn); 2818 break; 2819 2820 default: 2821 bfa_sm_fault(ln->fcport->bfa, event); 2822 } 2823 } 2824 2825 /* 2826 * Link state is waiting for down notification and there is a pending up 2827 */ 2828 static void 2829 bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln, 2830 enum bfa_fcport_ln_sm_event event) 2831 { 2832 bfa_trc(ln->fcport->bfa, event); 2833 2834 switch (event) { 2835 case BFA_FCPORT_LN_SM_LINKDOWN: 2836 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf); 2837 break; 2838 2839 case BFA_FCPORT_LN_SM_NOTIFICATION: 2840 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf); 2841 bfa_fcport_queue_cb(ln, BFA_PORT_LINKUP); 2842 break; 2843 2844 default: 2845 bfa_sm_fault(ln->fcport->bfa, event); 2846 } 2847 } 2848 2849 /* 2850 * Link state is up 2851 */ 2852 static void 2853 bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln, 2854 enum bfa_fcport_ln_sm_event event) 2855 { 2856 bfa_trc(ln->fcport->bfa, event); 2857 2858 switch (event) { 2859 case BFA_FCPORT_LN_SM_LINKDOWN: 2860 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf); 2861 bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN); 2862 break; 2863 2864 default: 2865 bfa_sm_fault(ln->fcport->bfa, event); 2866 } 2867 } 2868 2869 /* 2870 * Link state is waiting for up notification 2871 */ 2872 static void 2873 bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln, 2874 enum bfa_fcport_ln_sm_event event) 2875 { 2876 bfa_trc(ln->fcport->bfa, event); 2877 2878 switch (event) { 2879 case BFA_FCPORT_LN_SM_LINKDOWN: 2880 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf); 2881 break; 2882 2883 case BFA_FCPORT_LN_SM_NOTIFICATION: 2884 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up); 2885 break; 2886 2887 default: 2888 bfa_sm_fault(ln->fcport->bfa, event); 2889 } 2890 } 2891 2892 /* 2893 * Link state is waiting for up notification and there is a pending down 2894 */ 2895 static void 2896 bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln, 2897 enum bfa_fcport_ln_sm_event event) 2898 { 2899 bfa_trc(ln->fcport->bfa, event); 2900 2901 switch (event) { 2902 case BFA_FCPORT_LN_SM_LINKUP: 2903 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_up_nf); 2904 break; 2905 2906 case BFA_FCPORT_LN_SM_NOTIFICATION: 2907 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf); 2908 bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN); 2909 break; 2910 2911 default: 2912 bfa_sm_fault(ln->fcport->bfa, event); 2913 } 2914 } 2915 2916 /* 2917 * Link state is waiting for up notification and there are pending down and up 2918 */ 2919 static void 2920 bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln, 2921 enum bfa_fcport_ln_sm_event event) 2922 { 2923 bfa_trc(ln->fcport->bfa, event); 2924 2925 switch (event) { 2926 case BFA_FCPORT_LN_SM_LINKDOWN: 2927 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf); 2928 break; 2929 2930 case BFA_FCPORT_LN_SM_NOTIFICATION: 2931 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf); 2932 bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN); 2933 break; 2934 2935 default: 2936 bfa_sm_fault(ln->fcport->bfa, event); 2937 } 2938 } 2939 2940 static void 2941 __bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete) 2942 { 2943 struct bfa_fcport_ln_s *ln = cbarg; 2944 2945 if (complete) 2946 ln->fcport->event_cbfn(ln->fcport->event_cbarg, ln->ln_event); 2947 else 2948 bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION); 2949 } 2950 2951 /* 2952 * Send SCN notification to upper layers. 2953 * trunk - false if caller is fcport to ignore fcport event in trunked mode 2954 */ 2955 static void 2956 bfa_fcport_scn(struct bfa_fcport_s *fcport, enum bfa_port_linkstate event, 2957 bfa_boolean_t trunk) 2958 { 2959 if (fcport->cfg.trunked && !trunk) 2960 return; 2961 2962 switch (event) { 2963 case BFA_PORT_LINKUP: 2964 bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKUP); 2965 break; 2966 case BFA_PORT_LINKDOWN: 2967 bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKDOWN); 2968 break; 2969 default: 2970 WARN_ON(1); 2971 } 2972 } 2973 2974 static void 2975 bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, enum bfa_port_linkstate event) 2976 { 2977 struct bfa_fcport_s *fcport = ln->fcport; 2978 2979 if (fcport->bfa->fcs) { 2980 fcport->event_cbfn(fcport->event_cbarg, event); 2981 bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION); 2982 } else { 2983 ln->ln_event = event; 2984 bfa_cb_queue(fcport->bfa, &ln->ln_qe, 2985 __bfa_cb_fcport_event, ln); 2986 } 2987 } 2988 2989 #define FCPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_fcport_stats_u), \ 2990 BFA_CACHELINE_SZ)) 2991 2992 void 2993 bfa_fcport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo, 2994 struct bfa_s *bfa) 2995 { 2996 struct bfa_mem_dma_s *fcport_dma = BFA_MEM_FCPORT_DMA(bfa); 2997 2998 bfa_mem_dma_setup(minfo, fcport_dma, FCPORT_STATS_DMA_SZ); 2999 } 3000 3001 static void 3002 bfa_fcport_qresume(void *cbarg) 3003 { 3004 struct bfa_fcport_s *fcport = cbarg; 3005 3006 bfa_sm_send_event(fcport, BFA_FCPORT_SM_QRESUME); 3007 } 3008 3009 static void 3010 bfa_fcport_mem_claim(struct bfa_fcport_s *fcport) 3011 { 3012 struct bfa_mem_dma_s *fcport_dma = &fcport->fcport_dma; 3013 3014 fcport->stats_kva = bfa_mem_dma_virt(fcport_dma); 3015 fcport->stats_pa = bfa_mem_dma_phys(fcport_dma); 3016 fcport->stats = (union bfa_fcport_stats_u *) 3017 bfa_mem_dma_virt(fcport_dma); 3018 } 3019 3020 /* 3021 * Memory initialization. 3022 */ 3023 void 3024 bfa_fcport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, 3025 struct bfa_pcidev_s *pcidev) 3026 { 3027 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3028 struct bfa_port_cfg_s *port_cfg = &fcport->cfg; 3029 struct bfa_fcport_ln_s *ln = &fcport->ln; 3030 3031 fcport->bfa = bfa; 3032 ln->fcport = fcport; 3033 3034 bfa_fcport_mem_claim(fcport); 3035 3036 bfa_sm_set_state(fcport, bfa_fcport_sm_uninit); 3037 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn); 3038 3039 /* 3040 * initialize time stamp for stats reset 3041 */ 3042 fcport->stats_reset_time = ktime_get_seconds(); 3043 fcport->stats_dma_ready = BFA_FALSE; 3044 3045 /* 3046 * initialize and set default configuration 3047 */ 3048 port_cfg->topology = BFA_PORT_TOPOLOGY_P2P; 3049 port_cfg->speed = BFA_PORT_SPEED_AUTO; 3050 port_cfg->trunked = BFA_FALSE; 3051 port_cfg->maxfrsize = 0; 3052 3053 port_cfg->trl_def_speed = BFA_PORT_SPEED_1GBPS; 3054 port_cfg->qos_bw.high = BFA_QOS_BW_HIGH; 3055 port_cfg->qos_bw.med = BFA_QOS_BW_MED; 3056 port_cfg->qos_bw.low = BFA_QOS_BW_LOW; 3057 3058 fcport->fec_state = BFA_FEC_OFFLINE; 3059 3060 INIT_LIST_HEAD(&fcport->stats_pending_q); 3061 INIT_LIST_HEAD(&fcport->statsclr_pending_q); 3062 3063 bfa_reqq_winit(&fcport->reqq_wait, bfa_fcport_qresume, fcport); 3064 } 3065 3066 void 3067 bfa_fcport_start(struct bfa_s *bfa) 3068 { 3069 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_START); 3070 } 3071 3072 /* 3073 * Called when IOC failure is detected. 3074 */ 3075 void 3076 bfa_fcport_iocdisable(struct bfa_s *bfa) 3077 { 3078 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3079 3080 bfa_sm_send_event(fcport, BFA_FCPORT_SM_HWFAIL); 3081 bfa_trunk_iocdisable(bfa); 3082 } 3083 3084 /* 3085 * Update loop info in fcport for SCN online 3086 */ 3087 static void 3088 bfa_fcport_update_loop_info(struct bfa_fcport_s *fcport, 3089 struct bfa_fcport_loop_info_s *loop_info) 3090 { 3091 fcport->myalpa = loop_info->myalpa; 3092 fcport->alpabm_valid = 3093 loop_info->alpabm_val; 3094 memcpy(fcport->alpabm.alpa_bm, 3095 loop_info->alpabm.alpa_bm, 3096 sizeof(struct fc_alpabm_s)); 3097 } 3098 3099 static void 3100 bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport) 3101 { 3102 struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event; 3103 struct bfa_fcport_trunk_s *trunk = &fcport->trunk; 3104 3105 fcport->speed = pevent->link_state.speed; 3106 fcport->topology = pevent->link_state.topology; 3107 3108 if (fcport->topology == BFA_PORT_TOPOLOGY_LOOP) { 3109 bfa_fcport_update_loop_info(fcport, 3110 &pevent->link_state.attr.loop_info); 3111 return; 3112 } 3113 3114 /* QoS Details */ 3115 fcport->qos_attr = pevent->link_state.qos_attr; 3116 fcport->qos_vc_attr = pevent->link_state.attr.vc_fcf.qos_vc_attr; 3117 3118 if (fcport->cfg.bb_cr_enabled) 3119 fcport->bbcr_attr = pevent->link_state.attr.bbcr_attr; 3120 3121 fcport->fec_state = pevent->link_state.fec_state; 3122 3123 /* 3124 * update trunk state if applicable 3125 */ 3126 if (!fcport->cfg.trunked) 3127 trunk->attr.state = BFA_TRUNK_DISABLED; 3128 3129 /* update FCoE specific */ 3130 fcport->fcoe_vlan = 3131 be16_to_cpu(pevent->link_state.attr.vc_fcf.fcf.vlan); 3132 3133 bfa_trc(fcport->bfa, fcport->speed); 3134 bfa_trc(fcport->bfa, fcport->topology); 3135 } 3136 3137 static void 3138 bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport) 3139 { 3140 fcport->speed = BFA_PORT_SPEED_UNKNOWN; 3141 fcport->topology = BFA_PORT_TOPOLOGY_NONE; 3142 fcport->fec_state = BFA_FEC_OFFLINE; 3143 } 3144 3145 /* 3146 * Send port enable message to firmware. 3147 */ 3148 static bfa_boolean_t 3149 bfa_fcport_send_enable(struct bfa_fcport_s *fcport) 3150 { 3151 struct bfi_fcport_enable_req_s *m; 3152 3153 /* 3154 * Increment message tag before queue check, so that responses to old 3155 * requests are discarded. 3156 */ 3157 fcport->msgtag++; 3158 3159 /* 3160 * check for room in queue to send request now 3161 */ 3162 m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT); 3163 if (!m) { 3164 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT, 3165 &fcport->reqq_wait); 3166 return BFA_FALSE; 3167 } 3168 3169 bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_ENABLE_REQ, 3170 bfa_fn_lpu(fcport->bfa)); 3171 m->nwwn = fcport->nwwn; 3172 m->pwwn = fcport->pwwn; 3173 m->port_cfg = fcport->cfg; 3174 m->msgtag = fcport->msgtag; 3175 m->port_cfg.maxfrsize = cpu_to_be16(fcport->cfg.maxfrsize); 3176 m->use_flash_cfg = fcport->use_flash_cfg; 3177 bfa_dma_be_addr_set(m->stats_dma_addr, fcport->stats_pa); 3178 bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_lo); 3179 bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_hi); 3180 3181 /* 3182 * queue I/O message to firmware 3183 */ 3184 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, m->mh); 3185 return BFA_TRUE; 3186 } 3187 3188 /* 3189 * Send port disable message to firmware. 3190 */ 3191 static bfa_boolean_t 3192 bfa_fcport_send_disable(struct bfa_fcport_s *fcport) 3193 { 3194 struct bfi_fcport_req_s *m; 3195 3196 /* 3197 * Increment message tag before queue check, so that responses to old 3198 * requests are discarded. 3199 */ 3200 fcport->msgtag++; 3201 3202 /* 3203 * check for room in queue to send request now 3204 */ 3205 m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT); 3206 if (!m) { 3207 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT, 3208 &fcport->reqq_wait); 3209 return BFA_FALSE; 3210 } 3211 3212 bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_DISABLE_REQ, 3213 bfa_fn_lpu(fcport->bfa)); 3214 m->msgtag = fcport->msgtag; 3215 3216 /* 3217 * queue I/O message to firmware 3218 */ 3219 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, m->mh); 3220 3221 return BFA_TRUE; 3222 } 3223 3224 static void 3225 bfa_fcport_set_wwns(struct bfa_fcport_s *fcport) 3226 { 3227 fcport->pwwn = fcport->bfa->ioc.attr->pwwn; 3228 fcport->nwwn = fcport->bfa->ioc.attr->nwwn; 3229 3230 bfa_trc(fcport->bfa, fcport->pwwn); 3231 bfa_trc(fcport->bfa, fcport->nwwn); 3232 } 3233 3234 static void 3235 bfa_fcport_qos_stats_swap(struct bfa_qos_stats_s *d, 3236 struct bfa_qos_stats_s *s) 3237 { 3238 u32 *dip = (u32 *) d; 3239 __be32 *sip = (__be32 *) s; 3240 int i; 3241 3242 /* Now swap the 32 bit fields */ 3243 for (i = 0; i < (sizeof(struct bfa_qos_stats_s)/sizeof(u32)); ++i) 3244 dip[i] = be32_to_cpu(sip[i]); 3245 } 3246 3247 static void 3248 bfa_fcport_fcoe_stats_swap(struct bfa_fcoe_stats_s *d, 3249 struct bfa_fcoe_stats_s *s) 3250 { 3251 u32 *dip = (u32 *) d; 3252 __be32 *sip = (__be32 *) s; 3253 int i; 3254 3255 for (i = 0; i < ((sizeof(struct bfa_fcoe_stats_s))/sizeof(u32)); 3256 i = i + 2) { 3257 #ifdef __BIG_ENDIAN 3258 dip[i] = be32_to_cpu(sip[i]); 3259 dip[i + 1] = be32_to_cpu(sip[i + 1]); 3260 #else 3261 dip[i] = be32_to_cpu(sip[i + 1]); 3262 dip[i + 1] = be32_to_cpu(sip[i]); 3263 #endif 3264 } 3265 } 3266 3267 static void 3268 __bfa_cb_fcport_stats_get(void *cbarg, bfa_boolean_t complete) 3269 { 3270 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *)cbarg; 3271 struct bfa_cb_pending_q_s *cb; 3272 struct list_head *qe, *qen; 3273 union bfa_fcport_stats_u *ret; 3274 3275 if (complete) { 3276 time64_t time = ktime_get_seconds(); 3277 3278 list_for_each_safe(qe, qen, &fcport->stats_pending_q) { 3279 bfa_q_deq(&fcport->stats_pending_q, &qe); 3280 cb = (struct bfa_cb_pending_q_s *)qe; 3281 if (fcport->stats_status == BFA_STATUS_OK) { 3282 ret = (union bfa_fcport_stats_u *)cb->data; 3283 /* Swap FC QoS or FCoE stats */ 3284 if (bfa_ioc_get_fcmode(&fcport->bfa->ioc)) 3285 bfa_fcport_qos_stats_swap(&ret->fcqos, 3286 &fcport->stats->fcqos); 3287 else { 3288 bfa_fcport_fcoe_stats_swap(&ret->fcoe, 3289 &fcport->stats->fcoe); 3290 ret->fcoe.secs_reset = 3291 time - fcport->stats_reset_time; 3292 } 3293 } 3294 bfa_cb_queue_status(fcport->bfa, &cb->hcb_qe, 3295 fcport->stats_status); 3296 } 3297 fcport->stats_status = BFA_STATUS_OK; 3298 } else { 3299 INIT_LIST_HEAD(&fcport->stats_pending_q); 3300 fcport->stats_status = BFA_STATUS_OK; 3301 } 3302 } 3303 3304 static void 3305 bfa_fcport_stats_get_timeout(void *cbarg) 3306 { 3307 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg; 3308 3309 bfa_trc(fcport->bfa, fcport->stats_qfull); 3310 3311 if (fcport->stats_qfull) { 3312 bfa_reqq_wcancel(&fcport->stats_reqq_wait); 3313 fcport->stats_qfull = BFA_FALSE; 3314 } 3315 3316 fcport->stats_status = BFA_STATUS_ETIMER; 3317 __bfa_cb_fcport_stats_get(fcport, BFA_TRUE); 3318 } 3319 3320 static void 3321 bfa_fcport_send_stats_get(void *cbarg) 3322 { 3323 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg; 3324 struct bfi_fcport_req_s *msg; 3325 3326 msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT); 3327 3328 if (!msg) { 3329 fcport->stats_qfull = BFA_TRUE; 3330 bfa_reqq_winit(&fcport->stats_reqq_wait, 3331 bfa_fcport_send_stats_get, fcport); 3332 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT, 3333 &fcport->stats_reqq_wait); 3334 return; 3335 } 3336 fcport->stats_qfull = BFA_FALSE; 3337 3338 memset(msg, 0, sizeof(struct bfi_fcport_req_s)); 3339 bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_GET_REQ, 3340 bfa_fn_lpu(fcport->bfa)); 3341 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, msg->mh); 3342 } 3343 3344 static void 3345 __bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete) 3346 { 3347 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg; 3348 struct bfa_cb_pending_q_s *cb; 3349 struct list_head *qe, *qen; 3350 3351 if (complete) { 3352 /* 3353 * re-initialize time stamp for stats reset 3354 */ 3355 fcport->stats_reset_time = ktime_get_seconds(); 3356 list_for_each_safe(qe, qen, &fcport->statsclr_pending_q) { 3357 bfa_q_deq(&fcport->statsclr_pending_q, &qe); 3358 cb = (struct bfa_cb_pending_q_s *)qe; 3359 bfa_cb_queue_status(fcport->bfa, &cb->hcb_qe, 3360 fcport->stats_status); 3361 } 3362 fcport->stats_status = BFA_STATUS_OK; 3363 } else { 3364 INIT_LIST_HEAD(&fcport->statsclr_pending_q); 3365 fcport->stats_status = BFA_STATUS_OK; 3366 } 3367 } 3368 3369 static void 3370 bfa_fcport_stats_clr_timeout(void *cbarg) 3371 { 3372 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg; 3373 3374 bfa_trc(fcport->bfa, fcport->stats_qfull); 3375 3376 if (fcport->stats_qfull) { 3377 bfa_reqq_wcancel(&fcport->stats_reqq_wait); 3378 fcport->stats_qfull = BFA_FALSE; 3379 } 3380 3381 fcport->stats_status = BFA_STATUS_ETIMER; 3382 __bfa_cb_fcport_stats_clr(fcport, BFA_TRUE); 3383 } 3384 3385 static void 3386 bfa_fcport_send_stats_clear(void *cbarg) 3387 { 3388 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg; 3389 struct bfi_fcport_req_s *msg; 3390 3391 msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT); 3392 3393 if (!msg) { 3394 fcport->stats_qfull = BFA_TRUE; 3395 bfa_reqq_winit(&fcport->stats_reqq_wait, 3396 bfa_fcport_send_stats_clear, fcport); 3397 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT, 3398 &fcport->stats_reqq_wait); 3399 return; 3400 } 3401 fcport->stats_qfull = BFA_FALSE; 3402 3403 memset(msg, 0, sizeof(struct bfi_fcport_req_s)); 3404 bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_CLEAR_REQ, 3405 bfa_fn_lpu(fcport->bfa)); 3406 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, msg->mh); 3407 } 3408 3409 /* 3410 * Handle trunk SCN event from firmware. 3411 */ 3412 static void 3413 bfa_trunk_scn(struct bfa_fcport_s *fcport, struct bfi_fcport_trunk_scn_s *scn) 3414 { 3415 struct bfa_fcport_trunk_s *trunk = &fcport->trunk; 3416 struct bfi_fcport_trunk_link_s *tlink; 3417 struct bfa_trunk_link_attr_s *lattr; 3418 enum bfa_trunk_state state_prev; 3419 int i; 3420 int link_bm = 0; 3421 3422 bfa_trc(fcport->bfa, fcport->cfg.trunked); 3423 WARN_ON(scn->trunk_state != BFA_TRUNK_ONLINE && 3424 scn->trunk_state != BFA_TRUNK_OFFLINE); 3425 3426 bfa_trc(fcport->bfa, trunk->attr.state); 3427 bfa_trc(fcport->bfa, scn->trunk_state); 3428 bfa_trc(fcport->bfa, scn->trunk_speed); 3429 3430 /* 3431 * Save off new state for trunk attribute query 3432 */ 3433 state_prev = trunk->attr.state; 3434 if (fcport->cfg.trunked && (trunk->attr.state != BFA_TRUNK_DISABLED)) 3435 trunk->attr.state = scn->trunk_state; 3436 trunk->attr.speed = scn->trunk_speed; 3437 for (i = 0; i < BFA_TRUNK_MAX_PORTS; i++) { 3438 lattr = &trunk->attr.link_attr[i]; 3439 tlink = &scn->tlink[i]; 3440 3441 lattr->link_state = tlink->state; 3442 lattr->trunk_wwn = tlink->trunk_wwn; 3443 lattr->fctl = tlink->fctl; 3444 lattr->speed = tlink->speed; 3445 lattr->deskew = be32_to_cpu(tlink->deskew); 3446 3447 if (tlink->state == BFA_TRUNK_LINK_STATE_UP) { 3448 fcport->speed = tlink->speed; 3449 fcport->topology = BFA_PORT_TOPOLOGY_P2P; 3450 link_bm |= 1 << i; 3451 } 3452 3453 bfa_trc(fcport->bfa, lattr->link_state); 3454 bfa_trc(fcport->bfa, lattr->trunk_wwn); 3455 bfa_trc(fcport->bfa, lattr->fctl); 3456 bfa_trc(fcport->bfa, lattr->speed); 3457 bfa_trc(fcport->bfa, lattr->deskew); 3458 } 3459 3460 switch (link_bm) { 3461 case 3: 3462 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 3463 BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(0,1)"); 3464 break; 3465 case 2: 3466 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 3467 BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(-,1)"); 3468 break; 3469 case 1: 3470 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 3471 BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(0,-)"); 3472 break; 3473 default: 3474 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, 3475 BFA_PL_EID_TRUNK_SCN, 0, "Trunk down"); 3476 } 3477 3478 /* 3479 * Notify upper layers if trunk state changed. 3480 */ 3481 if ((state_prev != trunk->attr.state) || 3482 (scn->trunk_state == BFA_TRUNK_OFFLINE)) { 3483 bfa_fcport_scn(fcport, (scn->trunk_state == BFA_TRUNK_ONLINE) ? 3484 BFA_PORT_LINKUP : BFA_PORT_LINKDOWN, BFA_TRUE); 3485 } 3486 } 3487 3488 static void 3489 bfa_trunk_iocdisable(struct bfa_s *bfa) 3490 { 3491 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3492 int i = 0; 3493 3494 /* 3495 * In trunked mode, notify upper layers that link is down 3496 */ 3497 if (fcport->cfg.trunked) { 3498 if (fcport->trunk.attr.state == BFA_TRUNK_ONLINE) 3499 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_TRUE); 3500 3501 fcport->trunk.attr.state = BFA_TRUNK_OFFLINE; 3502 fcport->trunk.attr.speed = BFA_PORT_SPEED_UNKNOWN; 3503 for (i = 0; i < BFA_TRUNK_MAX_PORTS; i++) { 3504 fcport->trunk.attr.link_attr[i].trunk_wwn = 0; 3505 fcport->trunk.attr.link_attr[i].fctl = 3506 BFA_TRUNK_LINK_FCTL_NORMAL; 3507 fcport->trunk.attr.link_attr[i].link_state = 3508 BFA_TRUNK_LINK_STATE_DN_LINKDN; 3509 fcport->trunk.attr.link_attr[i].speed = 3510 BFA_PORT_SPEED_UNKNOWN; 3511 fcport->trunk.attr.link_attr[i].deskew = 0; 3512 } 3513 } 3514 } 3515 3516 /* 3517 * Called to initialize port attributes 3518 */ 3519 void 3520 bfa_fcport_init(struct bfa_s *bfa) 3521 { 3522 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3523 3524 /* 3525 * Initialize port attributes from IOC hardware data. 3526 */ 3527 bfa_fcport_set_wwns(fcport); 3528 if (fcport->cfg.maxfrsize == 0) 3529 fcport->cfg.maxfrsize = bfa_ioc_maxfrsize(&bfa->ioc); 3530 fcport->cfg.rx_bbcredit = bfa_ioc_rx_bbcredit(&bfa->ioc); 3531 fcport->speed_sup = bfa_ioc_speed_sup(&bfa->ioc); 3532 3533 if (bfa_fcport_is_pbcdisabled(bfa)) 3534 bfa->modules.port.pbc_disabled = BFA_TRUE; 3535 3536 WARN_ON(!fcport->cfg.maxfrsize); 3537 WARN_ON(!fcport->cfg.rx_bbcredit); 3538 WARN_ON(!fcport->speed_sup); 3539 } 3540 3541 /* 3542 * Firmware message handler. 3543 */ 3544 void 3545 bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg) 3546 { 3547 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3548 union bfi_fcport_i2h_msg_u i2hmsg; 3549 3550 i2hmsg.msg = msg; 3551 fcport->event_arg.i2hmsg = i2hmsg; 3552 3553 bfa_trc(bfa, msg->mhdr.msg_id); 3554 bfa_trc(bfa, bfa_sm_to_state(hal_port_sm_table, fcport->sm)); 3555 3556 switch (msg->mhdr.msg_id) { 3557 case BFI_FCPORT_I2H_ENABLE_RSP: 3558 if (fcport->msgtag == i2hmsg.penable_rsp->msgtag) { 3559 3560 fcport->stats_dma_ready = BFA_TRUE; 3561 if (fcport->use_flash_cfg) { 3562 fcport->cfg = i2hmsg.penable_rsp->port_cfg; 3563 fcport->cfg.maxfrsize = 3564 cpu_to_be16(fcport->cfg.maxfrsize); 3565 fcport->cfg.path_tov = 3566 cpu_to_be16(fcport->cfg.path_tov); 3567 fcport->cfg.q_depth = 3568 cpu_to_be16(fcport->cfg.q_depth); 3569 3570 if (fcport->cfg.trunked) 3571 fcport->trunk.attr.state = 3572 BFA_TRUNK_OFFLINE; 3573 else 3574 fcport->trunk.attr.state = 3575 BFA_TRUNK_DISABLED; 3576 fcport->qos_attr.qos_bw = 3577 i2hmsg.penable_rsp->port_cfg.qos_bw; 3578 fcport->use_flash_cfg = BFA_FALSE; 3579 } 3580 3581 if (fcport->cfg.qos_enabled) 3582 fcport->qos_attr.state = BFA_QOS_OFFLINE; 3583 else 3584 fcport->qos_attr.state = BFA_QOS_DISABLED; 3585 3586 fcport->qos_attr.qos_bw_op = 3587 i2hmsg.penable_rsp->port_cfg.qos_bw; 3588 3589 if (fcport->cfg.bb_cr_enabled) 3590 fcport->bbcr_attr.state = BFA_BBCR_OFFLINE; 3591 else 3592 fcport->bbcr_attr.state = BFA_BBCR_DISABLED; 3593 3594 bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP); 3595 } 3596 break; 3597 3598 case BFI_FCPORT_I2H_DISABLE_RSP: 3599 if (fcport->msgtag == i2hmsg.penable_rsp->msgtag) 3600 bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP); 3601 break; 3602 3603 case BFI_FCPORT_I2H_EVENT: 3604 if (fcport->cfg.bb_cr_enabled) 3605 fcport->bbcr_attr.state = BFA_BBCR_OFFLINE; 3606 else 3607 fcport->bbcr_attr.state = BFA_BBCR_DISABLED; 3608 3609 if (i2hmsg.event->link_state.linkstate == BFA_PORT_LINKUP) 3610 bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKUP); 3611 else { 3612 if (i2hmsg.event->link_state.linkstate_rsn == 3613 BFA_PORT_LINKSTATE_RSN_FAA_MISCONFIG) 3614 bfa_sm_send_event(fcport, 3615 BFA_FCPORT_SM_FAA_MISCONFIG); 3616 else 3617 bfa_sm_send_event(fcport, 3618 BFA_FCPORT_SM_LINKDOWN); 3619 } 3620 fcport->qos_attr.qos_bw_op = 3621 i2hmsg.event->link_state.qos_attr.qos_bw_op; 3622 break; 3623 3624 case BFI_FCPORT_I2H_TRUNK_SCN: 3625 bfa_trunk_scn(fcport, i2hmsg.trunk_scn); 3626 break; 3627 3628 case BFI_FCPORT_I2H_STATS_GET_RSP: 3629 /* 3630 * check for timer pop before processing the rsp 3631 */ 3632 if (list_empty(&fcport->stats_pending_q) || 3633 (fcport->stats_status == BFA_STATUS_ETIMER)) 3634 break; 3635 3636 bfa_timer_stop(&fcport->timer); 3637 fcport->stats_status = i2hmsg.pstatsget_rsp->status; 3638 __bfa_cb_fcport_stats_get(fcport, BFA_TRUE); 3639 break; 3640 3641 case BFI_FCPORT_I2H_STATS_CLEAR_RSP: 3642 /* 3643 * check for timer pop before processing the rsp 3644 */ 3645 if (list_empty(&fcport->statsclr_pending_q) || 3646 (fcport->stats_status == BFA_STATUS_ETIMER)) 3647 break; 3648 3649 bfa_timer_stop(&fcport->timer); 3650 fcport->stats_status = BFA_STATUS_OK; 3651 __bfa_cb_fcport_stats_clr(fcport, BFA_TRUE); 3652 break; 3653 3654 case BFI_FCPORT_I2H_ENABLE_AEN: 3655 bfa_sm_send_event(fcport, BFA_FCPORT_SM_ENABLE); 3656 break; 3657 3658 case BFI_FCPORT_I2H_DISABLE_AEN: 3659 bfa_sm_send_event(fcport, BFA_FCPORT_SM_DISABLE); 3660 break; 3661 3662 default: 3663 WARN_ON(1); 3664 break; 3665 } 3666 } 3667 3668 /* 3669 * Registered callback for port events. 3670 */ 3671 void 3672 bfa_fcport_event_register(struct bfa_s *bfa, 3673 void (*cbfn) (void *cbarg, 3674 enum bfa_port_linkstate event), 3675 void *cbarg) 3676 { 3677 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3678 3679 fcport->event_cbfn = cbfn; 3680 fcport->event_cbarg = cbarg; 3681 } 3682 3683 bfa_status_t 3684 bfa_fcport_enable(struct bfa_s *bfa) 3685 { 3686 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3687 3688 if (bfa_fcport_is_pbcdisabled(bfa)) 3689 return BFA_STATUS_PBC; 3690 3691 if (bfa_ioc_is_disabled(&bfa->ioc)) 3692 return BFA_STATUS_IOC_DISABLED; 3693 3694 if (fcport->diag_busy) 3695 return BFA_STATUS_DIAG_BUSY; 3696 3697 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_ENABLE); 3698 return BFA_STATUS_OK; 3699 } 3700 3701 bfa_status_t 3702 bfa_fcport_disable(struct bfa_s *bfa) 3703 { 3704 if (bfa_fcport_is_pbcdisabled(bfa)) 3705 return BFA_STATUS_PBC; 3706 3707 if (bfa_ioc_is_disabled(&bfa->ioc)) 3708 return BFA_STATUS_IOC_DISABLED; 3709 3710 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DISABLE); 3711 return BFA_STATUS_OK; 3712 } 3713 3714 /* If PBC is disabled on port, return error */ 3715 bfa_status_t 3716 bfa_fcport_is_pbcdisabled(struct bfa_s *bfa) 3717 { 3718 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3719 struct bfa_iocfc_s *iocfc = &bfa->iocfc; 3720 struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; 3721 3722 if (cfgrsp->pbc_cfg.port_enabled == BFI_PBC_PORT_DISABLED) { 3723 bfa_trc(bfa, fcport->pwwn); 3724 return BFA_STATUS_PBC; 3725 } 3726 return BFA_STATUS_OK; 3727 } 3728 3729 /* 3730 * Configure port speed. 3731 */ 3732 bfa_status_t 3733 bfa_fcport_cfg_speed(struct bfa_s *bfa, enum bfa_port_speed speed) 3734 { 3735 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3736 3737 bfa_trc(bfa, speed); 3738 3739 if (fcport->cfg.trunked == BFA_TRUE) 3740 return BFA_STATUS_TRUNK_ENABLED; 3741 if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) && 3742 (speed == BFA_PORT_SPEED_16GBPS)) 3743 return BFA_STATUS_UNSUPP_SPEED; 3744 if ((speed != BFA_PORT_SPEED_AUTO) && (speed > fcport->speed_sup)) { 3745 bfa_trc(bfa, fcport->speed_sup); 3746 return BFA_STATUS_UNSUPP_SPEED; 3747 } 3748 3749 /* Port speed entered needs to be checked */ 3750 if (bfa_ioc_get_type(&fcport->bfa->ioc) == BFA_IOC_TYPE_FC) { 3751 /* For CT2, 1G is not supported */ 3752 if ((speed == BFA_PORT_SPEED_1GBPS) && 3753 (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id))) 3754 return BFA_STATUS_UNSUPP_SPEED; 3755 3756 /* Already checked for Auto Speed and Max Speed supp */ 3757 if (!(speed == BFA_PORT_SPEED_1GBPS || 3758 speed == BFA_PORT_SPEED_2GBPS || 3759 speed == BFA_PORT_SPEED_4GBPS || 3760 speed == BFA_PORT_SPEED_8GBPS || 3761 speed == BFA_PORT_SPEED_16GBPS || 3762 speed == BFA_PORT_SPEED_AUTO)) 3763 return BFA_STATUS_UNSUPP_SPEED; 3764 } else { 3765 if (speed != BFA_PORT_SPEED_10GBPS) 3766 return BFA_STATUS_UNSUPP_SPEED; 3767 } 3768 3769 fcport->cfg.speed = speed; 3770 3771 return BFA_STATUS_OK; 3772 } 3773 3774 /* 3775 * Get current speed. 3776 */ 3777 enum bfa_port_speed 3778 bfa_fcport_get_speed(struct bfa_s *bfa) 3779 { 3780 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3781 3782 return fcport->speed; 3783 } 3784 3785 /* 3786 * Configure port topology. 3787 */ 3788 bfa_status_t 3789 bfa_fcport_cfg_topology(struct bfa_s *bfa, enum bfa_port_topology topology) 3790 { 3791 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3792 3793 bfa_trc(bfa, topology); 3794 bfa_trc(bfa, fcport->cfg.topology); 3795 3796 switch (topology) { 3797 case BFA_PORT_TOPOLOGY_P2P: 3798 break; 3799 3800 case BFA_PORT_TOPOLOGY_LOOP: 3801 if ((bfa_fcport_is_qos_enabled(bfa) != BFA_FALSE) || 3802 (fcport->qos_attr.state != BFA_QOS_DISABLED)) 3803 return BFA_STATUS_ERROR_QOS_ENABLED; 3804 if (fcport->cfg.ratelimit != BFA_FALSE) 3805 return BFA_STATUS_ERROR_TRL_ENABLED; 3806 if ((bfa_fcport_is_trunk_enabled(bfa) != BFA_FALSE) || 3807 (fcport->trunk.attr.state != BFA_TRUNK_DISABLED)) 3808 return BFA_STATUS_ERROR_TRUNK_ENABLED; 3809 if ((bfa_fcport_get_speed(bfa) == BFA_PORT_SPEED_16GBPS) || 3810 (fcport->cfg.speed == BFA_PORT_SPEED_16GBPS)) 3811 return BFA_STATUS_UNSUPP_SPEED; 3812 if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type)) 3813 return BFA_STATUS_LOOP_UNSUPP_MEZZ; 3814 if (bfa_fcport_is_dport(bfa) != BFA_FALSE) 3815 return BFA_STATUS_DPORT_ERR; 3816 if (bfa_fcport_is_ddport(bfa) != BFA_FALSE) 3817 return BFA_STATUS_DPORT_ERR; 3818 break; 3819 3820 case BFA_PORT_TOPOLOGY_AUTO: 3821 break; 3822 3823 default: 3824 return BFA_STATUS_EINVAL; 3825 } 3826 3827 fcport->cfg.topology = topology; 3828 return BFA_STATUS_OK; 3829 } 3830 3831 /* 3832 * Get current topology. 3833 */ 3834 enum bfa_port_topology 3835 bfa_fcport_get_topology(struct bfa_s *bfa) 3836 { 3837 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3838 3839 return fcport->topology; 3840 } 3841 3842 /** 3843 * Get config topology. 3844 */ 3845 enum bfa_port_topology 3846 bfa_fcport_get_cfg_topology(struct bfa_s *bfa) 3847 { 3848 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3849 3850 return fcport->cfg.topology; 3851 } 3852 3853 bfa_status_t 3854 bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa) 3855 { 3856 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3857 3858 bfa_trc(bfa, alpa); 3859 bfa_trc(bfa, fcport->cfg.cfg_hardalpa); 3860 bfa_trc(bfa, fcport->cfg.hardalpa); 3861 3862 fcport->cfg.cfg_hardalpa = BFA_TRUE; 3863 fcport->cfg.hardalpa = alpa; 3864 3865 return BFA_STATUS_OK; 3866 } 3867 3868 bfa_status_t 3869 bfa_fcport_clr_hardalpa(struct bfa_s *bfa) 3870 { 3871 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3872 3873 bfa_trc(bfa, fcport->cfg.cfg_hardalpa); 3874 bfa_trc(bfa, fcport->cfg.hardalpa); 3875 3876 fcport->cfg.cfg_hardalpa = BFA_FALSE; 3877 return BFA_STATUS_OK; 3878 } 3879 3880 bfa_boolean_t 3881 bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa) 3882 { 3883 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3884 3885 *alpa = fcport->cfg.hardalpa; 3886 return fcport->cfg.cfg_hardalpa; 3887 } 3888 3889 u8 3890 bfa_fcport_get_myalpa(struct bfa_s *bfa) 3891 { 3892 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3893 3894 return fcport->myalpa; 3895 } 3896 3897 bfa_status_t 3898 bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize) 3899 { 3900 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3901 3902 bfa_trc(bfa, maxfrsize); 3903 bfa_trc(bfa, fcport->cfg.maxfrsize); 3904 3905 /* with in range */ 3906 if ((maxfrsize > FC_MAX_PDUSZ) || (maxfrsize < FC_MIN_PDUSZ)) 3907 return BFA_STATUS_INVLD_DFSZ; 3908 3909 /* power of 2, if not the max frame size of 2112 */ 3910 if ((maxfrsize != FC_MAX_PDUSZ) && (maxfrsize & (maxfrsize - 1))) 3911 return BFA_STATUS_INVLD_DFSZ; 3912 3913 fcport->cfg.maxfrsize = maxfrsize; 3914 return BFA_STATUS_OK; 3915 } 3916 3917 u16 3918 bfa_fcport_get_maxfrsize(struct bfa_s *bfa) 3919 { 3920 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3921 3922 return fcport->cfg.maxfrsize; 3923 } 3924 3925 u8 3926 bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa) 3927 { 3928 if (bfa_fcport_get_topology(bfa) != BFA_PORT_TOPOLOGY_LOOP) 3929 return (BFA_FCPORT_MOD(bfa))->cfg.rx_bbcredit; 3930 3931 else 3932 return 0; 3933 } 3934 3935 void 3936 bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit) 3937 { 3938 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3939 3940 fcport->cfg.tx_bbcredit = (u8)tx_bbcredit; 3941 } 3942 3943 /* 3944 * Get port attributes. 3945 */ 3946 3947 wwn_t 3948 bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node) 3949 { 3950 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3951 if (node) 3952 return fcport->nwwn; 3953 else 3954 return fcport->pwwn; 3955 } 3956 3957 void 3958 bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr) 3959 { 3960 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 3961 3962 memset(attr, 0, sizeof(struct bfa_port_attr_s)); 3963 3964 attr->nwwn = fcport->nwwn; 3965 attr->pwwn = fcport->pwwn; 3966 3967 attr->factorypwwn = bfa->ioc.attr->mfg_pwwn; 3968 attr->factorynwwn = bfa->ioc.attr->mfg_nwwn; 3969 3970 memcpy(&attr->pport_cfg, &fcport->cfg, 3971 sizeof(struct bfa_port_cfg_s)); 3972 /* speed attributes */ 3973 attr->pport_cfg.speed = fcport->cfg.speed; 3974 attr->speed_supported = fcport->speed_sup; 3975 attr->speed = fcport->speed; 3976 attr->cos_supported = FC_CLASS_3; 3977 3978 /* topology attributes */ 3979 attr->pport_cfg.topology = fcport->cfg.topology; 3980 attr->topology = fcport->topology; 3981 attr->pport_cfg.trunked = fcport->cfg.trunked; 3982 3983 /* beacon attributes */ 3984 attr->beacon = fcport->beacon; 3985 attr->link_e2e_beacon = fcport->link_e2e_beacon; 3986 3987 attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa); 3988 attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa); 3989 attr->port_state = bfa_sm_to_state(hal_port_sm_table, fcport->sm); 3990 3991 attr->fec_state = fcport->fec_state; 3992 3993 /* PBC Disabled State */ 3994 if (bfa_fcport_is_pbcdisabled(bfa)) 3995 attr->port_state = BFA_PORT_ST_PREBOOT_DISABLED; 3996 else { 3997 if (bfa_ioc_is_disabled(&fcport->bfa->ioc)) 3998 attr->port_state = BFA_PORT_ST_IOCDIS; 3999 else if (bfa_ioc_fw_mismatch(&fcport->bfa->ioc)) 4000 attr->port_state = BFA_PORT_ST_FWMISMATCH; 4001 } 4002 4003 /* FCoE vlan */ 4004 attr->fcoe_vlan = fcport->fcoe_vlan; 4005 } 4006 4007 #define BFA_FCPORT_STATS_TOV 1000 4008 4009 /* 4010 * Fetch port statistics (FCQoS or FCoE). 4011 */ 4012 bfa_status_t 4013 bfa_fcport_get_stats(struct bfa_s *bfa, struct bfa_cb_pending_q_s *cb) 4014 { 4015 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4016 4017 if (!bfa_iocfc_is_operational(bfa) || 4018 !fcport->stats_dma_ready) 4019 return BFA_STATUS_IOC_NON_OP; 4020 4021 if (!list_empty(&fcport->statsclr_pending_q)) 4022 return BFA_STATUS_DEVBUSY; 4023 4024 if (list_empty(&fcport->stats_pending_q)) { 4025 list_add_tail(&cb->hcb_qe.qe, &fcport->stats_pending_q); 4026 bfa_fcport_send_stats_get(fcport); 4027 bfa_timer_start(bfa, &fcport->timer, 4028 bfa_fcport_stats_get_timeout, 4029 fcport, BFA_FCPORT_STATS_TOV); 4030 } else 4031 list_add_tail(&cb->hcb_qe.qe, &fcport->stats_pending_q); 4032 4033 return BFA_STATUS_OK; 4034 } 4035 4036 /* 4037 * Reset port statistics (FCQoS or FCoE). 4038 */ 4039 bfa_status_t 4040 bfa_fcport_clear_stats(struct bfa_s *bfa, struct bfa_cb_pending_q_s *cb) 4041 { 4042 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4043 4044 if (!bfa_iocfc_is_operational(bfa) || 4045 !fcport->stats_dma_ready) 4046 return BFA_STATUS_IOC_NON_OP; 4047 4048 if (!list_empty(&fcport->stats_pending_q)) 4049 return BFA_STATUS_DEVBUSY; 4050 4051 if (list_empty(&fcport->statsclr_pending_q)) { 4052 list_add_tail(&cb->hcb_qe.qe, &fcport->statsclr_pending_q); 4053 bfa_fcport_send_stats_clear(fcport); 4054 bfa_timer_start(bfa, &fcport->timer, 4055 bfa_fcport_stats_clr_timeout, 4056 fcport, BFA_FCPORT_STATS_TOV); 4057 } else 4058 list_add_tail(&cb->hcb_qe.qe, &fcport->statsclr_pending_q); 4059 4060 return BFA_STATUS_OK; 4061 } 4062 4063 /* 4064 * Fetch port attributes. 4065 */ 4066 bfa_boolean_t 4067 bfa_fcport_is_disabled(struct bfa_s *bfa) 4068 { 4069 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4070 4071 return bfa_sm_to_state(hal_port_sm_table, fcport->sm) == 4072 BFA_PORT_ST_DISABLED; 4073 4074 } 4075 4076 bfa_boolean_t 4077 bfa_fcport_is_dport(struct bfa_s *bfa) 4078 { 4079 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4080 4081 return (bfa_sm_to_state(hal_port_sm_table, fcport->sm) == 4082 BFA_PORT_ST_DPORT); 4083 } 4084 4085 bfa_boolean_t 4086 bfa_fcport_is_ddport(struct bfa_s *bfa) 4087 { 4088 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4089 4090 return (bfa_sm_to_state(hal_port_sm_table, fcport->sm) == 4091 BFA_PORT_ST_DDPORT); 4092 } 4093 4094 bfa_status_t 4095 bfa_fcport_set_qos_bw(struct bfa_s *bfa, struct bfa_qos_bw_s *qos_bw) 4096 { 4097 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4098 enum bfa_ioc_type_e ioc_type = bfa_get_type(bfa); 4099 4100 bfa_trc(bfa, ioc_type); 4101 4102 if ((qos_bw->high == 0) || (qos_bw->med == 0) || (qos_bw->low == 0)) 4103 return BFA_STATUS_QOS_BW_INVALID; 4104 4105 if ((qos_bw->high + qos_bw->med + qos_bw->low) != 100) 4106 return BFA_STATUS_QOS_BW_INVALID; 4107 4108 if ((qos_bw->med > qos_bw->high) || (qos_bw->low > qos_bw->med) || 4109 (qos_bw->low > qos_bw->high)) 4110 return BFA_STATUS_QOS_BW_INVALID; 4111 4112 if ((ioc_type == BFA_IOC_TYPE_FC) && 4113 (fcport->cfg.topology != BFA_PORT_TOPOLOGY_LOOP)) 4114 fcport->cfg.qos_bw = *qos_bw; 4115 4116 return BFA_STATUS_OK; 4117 } 4118 4119 bfa_boolean_t 4120 bfa_fcport_is_ratelim(struct bfa_s *bfa) 4121 { 4122 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4123 4124 return fcport->cfg.ratelimit ? BFA_TRUE : BFA_FALSE; 4125 4126 } 4127 4128 /* 4129 * Enable/Disable FAA feature in port config 4130 */ 4131 void 4132 bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state) 4133 { 4134 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4135 4136 bfa_trc(bfa, state); 4137 fcport->cfg.faa_state = state; 4138 } 4139 4140 /* 4141 * Get default minimum ratelim speed 4142 */ 4143 enum bfa_port_speed 4144 bfa_fcport_get_ratelim_speed(struct bfa_s *bfa) 4145 { 4146 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4147 4148 bfa_trc(bfa, fcport->cfg.trl_def_speed); 4149 return fcport->cfg.trl_def_speed; 4150 4151 } 4152 4153 void 4154 bfa_fcport_beacon(void *dev, bfa_boolean_t beacon, 4155 bfa_boolean_t link_e2e_beacon) 4156 { 4157 struct bfa_s *bfa = dev; 4158 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4159 4160 bfa_trc(bfa, beacon); 4161 bfa_trc(bfa, link_e2e_beacon); 4162 bfa_trc(bfa, fcport->beacon); 4163 bfa_trc(bfa, fcport->link_e2e_beacon); 4164 4165 fcport->beacon = beacon; 4166 fcport->link_e2e_beacon = link_e2e_beacon; 4167 } 4168 4169 bfa_boolean_t 4170 bfa_fcport_is_linkup(struct bfa_s *bfa) 4171 { 4172 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4173 4174 return (!fcport->cfg.trunked && 4175 bfa_sm_cmp_state(fcport, bfa_fcport_sm_linkup)) || 4176 (fcport->cfg.trunked && 4177 fcport->trunk.attr.state == BFA_TRUNK_ONLINE); 4178 } 4179 4180 bfa_boolean_t 4181 bfa_fcport_is_qos_enabled(struct bfa_s *bfa) 4182 { 4183 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4184 4185 return fcport->cfg.qos_enabled; 4186 } 4187 4188 bfa_boolean_t 4189 bfa_fcport_is_trunk_enabled(struct bfa_s *bfa) 4190 { 4191 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4192 4193 return fcport->cfg.trunked; 4194 } 4195 4196 bfa_status_t 4197 bfa_fcport_cfg_bbcr(struct bfa_s *bfa, bfa_boolean_t on_off, u8 bb_scn) 4198 { 4199 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4200 4201 bfa_trc(bfa, on_off); 4202 4203 if (bfa_ioc_get_type(&fcport->bfa->ioc) != BFA_IOC_TYPE_FC) 4204 return BFA_STATUS_BBCR_FC_ONLY; 4205 4206 if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type) && 4207 (bfa->ioc.attr->card_type != BFA_MFG_TYPE_CHINOOK)) 4208 return BFA_STATUS_CMD_NOTSUPP_MEZZ; 4209 4210 if (on_off) { 4211 if (fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) 4212 return BFA_STATUS_TOPOLOGY_LOOP; 4213 4214 if (fcport->cfg.qos_enabled) 4215 return BFA_STATUS_ERROR_QOS_ENABLED; 4216 4217 if (fcport->cfg.trunked) 4218 return BFA_STATUS_TRUNK_ENABLED; 4219 4220 if ((fcport->cfg.speed != BFA_PORT_SPEED_AUTO) && 4221 (fcport->cfg.speed < bfa_ioc_speed_sup(&bfa->ioc))) 4222 return BFA_STATUS_ERR_BBCR_SPEED_UNSUPPORT; 4223 4224 if (bfa_ioc_speed_sup(&bfa->ioc) < BFA_PORT_SPEED_8GBPS) 4225 return BFA_STATUS_FEATURE_NOT_SUPPORTED; 4226 4227 if (fcport->cfg.bb_cr_enabled) { 4228 if (bb_scn != fcport->cfg.bb_scn) 4229 return BFA_STATUS_BBCR_CFG_NO_CHANGE; 4230 else 4231 return BFA_STATUS_NO_CHANGE; 4232 } 4233 4234 if ((bb_scn == 0) || (bb_scn > BFA_BB_SCN_MAX)) 4235 bb_scn = BFA_BB_SCN_DEF; 4236 4237 fcport->cfg.bb_cr_enabled = on_off; 4238 fcport->cfg.bb_scn = bb_scn; 4239 } else { 4240 if (!fcport->cfg.bb_cr_enabled) 4241 return BFA_STATUS_NO_CHANGE; 4242 4243 fcport->cfg.bb_cr_enabled = on_off; 4244 fcport->cfg.bb_scn = 0; 4245 } 4246 4247 return BFA_STATUS_OK; 4248 } 4249 4250 bfa_status_t 4251 bfa_fcport_get_bbcr_attr(struct bfa_s *bfa, 4252 struct bfa_bbcr_attr_s *bbcr_attr) 4253 { 4254 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); 4255 4256 if (bfa_ioc_get_type(&fcport->bfa->ioc) != BFA_IOC_TYPE_FC) 4257 return BFA_STATUS_BBCR_FC_ONLY; 4258 4259 if (fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) 4260 return BFA_STATUS_TOPOLOGY_LOOP; 4261 4262 *bbcr_attr = fcport->bbcr_attr; 4263 4264 return BFA_STATUS_OK; 4265 } 4266 4267 void 4268 bfa_fcport_dportenable(struct bfa_s *bfa) 4269 { 4270 /* 4271 * Assume caller check for port is in disable state 4272 */ 4273 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DPORTENABLE); 4274 bfa_port_set_dportenabled(&bfa->modules.port, BFA_TRUE); 4275 } 4276 4277 void 4278 bfa_fcport_dportdisable(struct bfa_s *bfa) 4279 { 4280 /* 4281 * Assume caller check for port is in disable state 4282 */ 4283 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DPORTDISABLE); 4284 bfa_port_set_dportenabled(&bfa->modules.port, BFA_FALSE); 4285 } 4286 4287 static void 4288 bfa_fcport_ddportenable(struct bfa_s *bfa) 4289 { 4290 /* 4291 * Assume caller check for port is in disable state 4292 */ 4293 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DDPORTENABLE); 4294 } 4295 4296 static void 4297 bfa_fcport_ddportdisable(struct bfa_s *bfa) 4298 { 4299 /* 4300 * Assume caller check for port is in disable state 4301 */ 4302 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DDPORTDISABLE); 4303 } 4304 4305 /* 4306 * Rport State machine functions 4307 */ 4308 /* 4309 * Beginning state, only online event expected. 4310 */ 4311 static void 4312 bfa_rport_sm_uninit(struct bfa_rport_s *rp, enum bfa_rport_event event) 4313 { 4314 bfa_trc(rp->bfa, rp->rport_tag); 4315 bfa_trc(rp->bfa, event); 4316 4317 switch (event) { 4318 case BFA_RPORT_SM_CREATE: 4319 bfa_stats(rp, sm_un_cr); 4320 bfa_sm_set_state(rp, bfa_rport_sm_created); 4321 break; 4322 4323 default: 4324 bfa_stats(rp, sm_un_unexp); 4325 bfa_sm_fault(rp->bfa, event); 4326 } 4327 } 4328 4329 static void 4330 bfa_rport_sm_created(struct bfa_rport_s *rp, enum bfa_rport_event event) 4331 { 4332 bfa_trc(rp->bfa, rp->rport_tag); 4333 bfa_trc(rp->bfa, event); 4334 4335 switch (event) { 4336 case BFA_RPORT_SM_ONLINE: 4337 bfa_stats(rp, sm_cr_on); 4338 if (bfa_rport_send_fwcreate(rp)) 4339 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate); 4340 else 4341 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull); 4342 break; 4343 4344 case BFA_RPORT_SM_DELETE: 4345 bfa_stats(rp, sm_cr_del); 4346 bfa_sm_set_state(rp, bfa_rport_sm_uninit); 4347 bfa_rport_free(rp); 4348 break; 4349 4350 case BFA_RPORT_SM_HWFAIL: 4351 bfa_stats(rp, sm_cr_hwf); 4352 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); 4353 break; 4354 4355 default: 4356 bfa_stats(rp, sm_cr_unexp); 4357 bfa_sm_fault(rp->bfa, event); 4358 } 4359 } 4360 4361 /* 4362 * Waiting for rport create response from firmware. 4363 */ 4364 static void 4365 bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, enum bfa_rport_event event) 4366 { 4367 bfa_trc(rp->bfa, rp->rport_tag); 4368 bfa_trc(rp->bfa, event); 4369 4370 switch (event) { 4371 case BFA_RPORT_SM_FWRSP: 4372 bfa_stats(rp, sm_fwc_rsp); 4373 bfa_sm_set_state(rp, bfa_rport_sm_online); 4374 bfa_rport_online_cb(rp); 4375 break; 4376 4377 case BFA_RPORT_SM_DELETE: 4378 bfa_stats(rp, sm_fwc_del); 4379 bfa_sm_set_state(rp, bfa_rport_sm_delete_pending); 4380 break; 4381 4382 case BFA_RPORT_SM_OFFLINE: 4383 bfa_stats(rp, sm_fwc_off); 4384 bfa_sm_set_state(rp, bfa_rport_sm_offline_pending); 4385 break; 4386 4387 case BFA_RPORT_SM_HWFAIL: 4388 bfa_stats(rp, sm_fwc_hwf); 4389 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); 4390 break; 4391 4392 default: 4393 bfa_stats(rp, sm_fwc_unexp); 4394 bfa_sm_fault(rp->bfa, event); 4395 } 4396 } 4397 4398 /* 4399 * Request queue is full, awaiting queue resume to send create request. 4400 */ 4401 static void 4402 bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event) 4403 { 4404 bfa_trc(rp->bfa, rp->rport_tag); 4405 bfa_trc(rp->bfa, event); 4406 4407 switch (event) { 4408 case BFA_RPORT_SM_QRESUME: 4409 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate); 4410 bfa_rport_send_fwcreate(rp); 4411 break; 4412 4413 case BFA_RPORT_SM_DELETE: 4414 bfa_stats(rp, sm_fwc_del); 4415 bfa_sm_set_state(rp, bfa_rport_sm_uninit); 4416 bfa_reqq_wcancel(&rp->reqq_wait); 4417 bfa_rport_free(rp); 4418 break; 4419 4420 case BFA_RPORT_SM_OFFLINE: 4421 bfa_stats(rp, sm_fwc_off); 4422 bfa_sm_set_state(rp, bfa_rport_sm_offline); 4423 bfa_reqq_wcancel(&rp->reqq_wait); 4424 bfa_rport_offline_cb(rp); 4425 break; 4426 4427 case BFA_RPORT_SM_HWFAIL: 4428 bfa_stats(rp, sm_fwc_hwf); 4429 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); 4430 bfa_reqq_wcancel(&rp->reqq_wait); 4431 break; 4432 4433 default: 4434 bfa_stats(rp, sm_fwc_unexp); 4435 bfa_sm_fault(rp->bfa, event); 4436 } 4437 } 4438 4439 /* 4440 * Online state - normal parking state. 4441 */ 4442 static void 4443 bfa_rport_sm_online(struct bfa_rport_s *rp, enum bfa_rport_event event) 4444 { 4445 struct bfi_rport_qos_scn_s *qos_scn; 4446 4447 bfa_trc(rp->bfa, rp->rport_tag); 4448 bfa_trc(rp->bfa, event); 4449 4450 switch (event) { 4451 case BFA_RPORT_SM_OFFLINE: 4452 bfa_stats(rp, sm_on_off); 4453 if (bfa_rport_send_fwdelete(rp)) 4454 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete); 4455 else 4456 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull); 4457 break; 4458 4459 case BFA_RPORT_SM_DELETE: 4460 bfa_stats(rp, sm_on_del); 4461 if (bfa_rport_send_fwdelete(rp)) 4462 bfa_sm_set_state(rp, bfa_rport_sm_deleting); 4463 else 4464 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull); 4465 break; 4466 4467 case BFA_RPORT_SM_HWFAIL: 4468 bfa_stats(rp, sm_on_hwf); 4469 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); 4470 break; 4471 4472 case BFA_RPORT_SM_SET_SPEED: 4473 bfa_rport_send_fwspeed(rp); 4474 break; 4475 4476 case BFA_RPORT_SM_QOS_SCN: 4477 qos_scn = (struct bfi_rport_qos_scn_s *) rp->event_arg.fw_msg; 4478 rp->qos_attr = qos_scn->new_qos_attr; 4479 bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_flow_id); 4480 bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_flow_id); 4481 bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_priority); 4482 bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_priority); 4483 4484 qos_scn->old_qos_attr.qos_flow_id = 4485 be32_to_cpu(qos_scn->old_qos_attr.qos_flow_id); 4486 qos_scn->new_qos_attr.qos_flow_id = 4487 be32_to_cpu(qos_scn->new_qos_attr.qos_flow_id); 4488 4489 if (qos_scn->old_qos_attr.qos_flow_id != 4490 qos_scn->new_qos_attr.qos_flow_id) 4491 bfa_cb_rport_qos_scn_flowid(rp->rport_drv, 4492 qos_scn->old_qos_attr, 4493 qos_scn->new_qos_attr); 4494 if (qos_scn->old_qos_attr.qos_priority != 4495 qos_scn->new_qos_attr.qos_priority) 4496 bfa_cb_rport_qos_scn_prio(rp->rport_drv, 4497 qos_scn->old_qos_attr, 4498 qos_scn->new_qos_attr); 4499 break; 4500 4501 default: 4502 bfa_stats(rp, sm_on_unexp); 4503 bfa_sm_fault(rp->bfa, event); 4504 } 4505 } 4506 4507 /* 4508 * Firmware rport is being deleted - awaiting f/w response. 4509 */ 4510 static void 4511 bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, enum bfa_rport_event event) 4512 { 4513 bfa_trc(rp->bfa, rp->rport_tag); 4514 bfa_trc(rp->bfa, event); 4515 4516 switch (event) { 4517 case BFA_RPORT_SM_FWRSP: 4518 bfa_stats(rp, sm_fwd_rsp); 4519 bfa_sm_set_state(rp, bfa_rport_sm_offline); 4520 bfa_rport_offline_cb(rp); 4521 break; 4522 4523 case BFA_RPORT_SM_DELETE: 4524 bfa_stats(rp, sm_fwd_del); 4525 bfa_sm_set_state(rp, bfa_rport_sm_deleting); 4526 break; 4527 4528 case BFA_RPORT_SM_HWFAIL: 4529 bfa_stats(rp, sm_fwd_hwf); 4530 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); 4531 bfa_rport_offline_cb(rp); 4532 break; 4533 4534 default: 4535 bfa_stats(rp, sm_fwd_unexp); 4536 bfa_sm_fault(rp->bfa, event); 4537 } 4538 } 4539 4540 static void 4541 bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event) 4542 { 4543 bfa_trc(rp->bfa, rp->rport_tag); 4544 bfa_trc(rp->bfa, event); 4545 4546 switch (event) { 4547 case BFA_RPORT_SM_QRESUME: 4548 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete); 4549 bfa_rport_send_fwdelete(rp); 4550 break; 4551 4552 case BFA_RPORT_SM_DELETE: 4553 bfa_stats(rp, sm_fwd_del); 4554 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull); 4555 break; 4556 4557 case BFA_RPORT_SM_HWFAIL: 4558 bfa_stats(rp, sm_fwd_hwf); 4559 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); 4560 bfa_reqq_wcancel(&rp->reqq_wait); 4561 bfa_rport_offline_cb(rp); 4562 break; 4563 4564 default: 4565 bfa_stats(rp, sm_fwd_unexp); 4566 bfa_sm_fault(rp->bfa, event); 4567 } 4568 } 4569 4570 /* 4571 * Offline state. 4572 */ 4573 static void 4574 bfa_rport_sm_offline(struct bfa_rport_s *rp, enum bfa_rport_event event) 4575 { 4576 bfa_trc(rp->bfa, rp->rport_tag); 4577 bfa_trc(rp->bfa, event); 4578 4579 switch (event) { 4580 case BFA_RPORT_SM_DELETE: 4581 bfa_stats(rp, sm_off_del); 4582 bfa_sm_set_state(rp, bfa_rport_sm_uninit); 4583 bfa_rport_free(rp); 4584 break; 4585 4586 case BFA_RPORT_SM_ONLINE: 4587 bfa_stats(rp, sm_off_on); 4588 if (bfa_rport_send_fwcreate(rp)) 4589 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate); 4590 else 4591 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull); 4592 break; 4593 4594 case BFA_RPORT_SM_HWFAIL: 4595 bfa_stats(rp, sm_off_hwf); 4596 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); 4597 break; 4598 4599 case BFA_RPORT_SM_OFFLINE: 4600 bfa_rport_offline_cb(rp); 4601 break; 4602 4603 default: 4604 bfa_stats(rp, sm_off_unexp); 4605 bfa_sm_fault(rp->bfa, event); 4606 } 4607 } 4608 4609 /* 4610 * Rport is deleted, waiting for firmware response to delete. 4611 */ 4612 static void 4613 bfa_rport_sm_deleting(struct bfa_rport_s *rp, enum bfa_rport_event event) 4614 { 4615 bfa_trc(rp->bfa, rp->rport_tag); 4616 bfa_trc(rp->bfa, event); 4617 4618 switch (event) { 4619 case BFA_RPORT_SM_FWRSP: 4620 bfa_stats(rp, sm_del_fwrsp); 4621 bfa_sm_set_state(rp, bfa_rport_sm_uninit); 4622 bfa_rport_free(rp); 4623 break; 4624 4625 case BFA_RPORT_SM_HWFAIL: 4626 bfa_stats(rp, sm_del_hwf); 4627 bfa_sm_set_state(rp, bfa_rport_sm_uninit); 4628 bfa_rport_free(rp); 4629 break; 4630 4631 default: 4632 bfa_sm_fault(rp->bfa, event); 4633 } 4634 } 4635 4636 static void 4637 bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event) 4638 { 4639 bfa_trc(rp->bfa, rp->rport_tag); 4640 bfa_trc(rp->bfa, event); 4641 4642 switch (event) { 4643 case BFA_RPORT_SM_QRESUME: 4644 bfa_stats(rp, sm_del_fwrsp); 4645 bfa_sm_set_state(rp, bfa_rport_sm_deleting); 4646 bfa_rport_send_fwdelete(rp); 4647 break; 4648 4649 case BFA_RPORT_SM_HWFAIL: 4650 bfa_stats(rp, sm_del_hwf); 4651 bfa_sm_set_state(rp, bfa_rport_sm_uninit); 4652 bfa_reqq_wcancel(&rp->reqq_wait); 4653 bfa_rport_free(rp); 4654 break; 4655 4656 default: 4657 bfa_sm_fault(rp->bfa, event); 4658 } 4659 } 4660 4661 /* 4662 * Waiting for rport create response from firmware. A delete is pending. 4663 */ 4664 static void 4665 bfa_rport_sm_delete_pending(struct bfa_rport_s *rp, 4666 enum bfa_rport_event event) 4667 { 4668 bfa_trc(rp->bfa, rp->rport_tag); 4669 bfa_trc(rp->bfa, event); 4670 4671 switch (event) { 4672 case BFA_RPORT_SM_FWRSP: 4673 bfa_stats(rp, sm_delp_fwrsp); 4674 if (bfa_rport_send_fwdelete(rp)) 4675 bfa_sm_set_state(rp, bfa_rport_sm_deleting); 4676 else 4677 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull); 4678 break; 4679 4680 case BFA_RPORT_SM_HWFAIL: 4681 bfa_stats(rp, sm_delp_hwf); 4682 bfa_sm_set_state(rp, bfa_rport_sm_uninit); 4683 bfa_rport_free(rp); 4684 break; 4685 4686 default: 4687 bfa_stats(rp, sm_delp_unexp); 4688 bfa_sm_fault(rp->bfa, event); 4689 } 4690 } 4691 4692 /* 4693 * Waiting for rport create response from firmware. Rport offline is pending. 4694 */ 4695 static void 4696 bfa_rport_sm_offline_pending(struct bfa_rport_s *rp, 4697 enum bfa_rport_event event) 4698 { 4699 bfa_trc(rp->bfa, rp->rport_tag); 4700 bfa_trc(rp->bfa, event); 4701 4702 switch (event) { 4703 case BFA_RPORT_SM_FWRSP: 4704 bfa_stats(rp, sm_offp_fwrsp); 4705 if (bfa_rport_send_fwdelete(rp)) 4706 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete); 4707 else 4708 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull); 4709 break; 4710 4711 case BFA_RPORT_SM_DELETE: 4712 bfa_stats(rp, sm_offp_del); 4713 bfa_sm_set_state(rp, bfa_rport_sm_delete_pending); 4714 break; 4715 4716 case BFA_RPORT_SM_HWFAIL: 4717 bfa_stats(rp, sm_offp_hwf); 4718 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); 4719 bfa_rport_offline_cb(rp); 4720 break; 4721 4722 default: 4723 bfa_stats(rp, sm_offp_unexp); 4724 bfa_sm_fault(rp->bfa, event); 4725 } 4726 } 4727 4728 /* 4729 * IOC h/w failed. 4730 */ 4731 static void 4732 bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, enum bfa_rport_event event) 4733 { 4734 bfa_trc(rp->bfa, rp->rport_tag); 4735 bfa_trc(rp->bfa, event); 4736 4737 switch (event) { 4738 case BFA_RPORT_SM_OFFLINE: 4739 bfa_stats(rp, sm_iocd_off); 4740 bfa_rport_offline_cb(rp); 4741 break; 4742 4743 case BFA_RPORT_SM_DELETE: 4744 bfa_stats(rp, sm_iocd_del); 4745 bfa_sm_set_state(rp, bfa_rport_sm_uninit); 4746 bfa_rport_free(rp); 4747 break; 4748 4749 case BFA_RPORT_SM_ONLINE: 4750 bfa_stats(rp, sm_iocd_on); 4751 if (bfa_rport_send_fwcreate(rp)) 4752 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate); 4753 else 4754 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull); 4755 break; 4756 4757 case BFA_RPORT_SM_HWFAIL: 4758 break; 4759 4760 default: 4761 bfa_stats(rp, sm_iocd_unexp); 4762 bfa_sm_fault(rp->bfa, event); 4763 } 4764 } 4765 4766 4767 4768 /* 4769 * bfa_rport_private BFA rport private functions 4770 */ 4771 4772 static void 4773 __bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete) 4774 { 4775 struct bfa_rport_s *rp = cbarg; 4776 4777 if (complete) 4778 bfa_cb_rport_online(rp->rport_drv); 4779 } 4780 4781 static void 4782 __bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete) 4783 { 4784 struct bfa_rport_s *rp = cbarg; 4785 4786 if (complete) 4787 bfa_cb_rport_offline(rp->rport_drv); 4788 } 4789 4790 static void 4791 bfa_rport_qresume(void *cbarg) 4792 { 4793 struct bfa_rport_s *rp = cbarg; 4794 4795 bfa_sm_send_event(rp, BFA_RPORT_SM_QRESUME); 4796 } 4797 4798 void 4799 bfa_rport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo, 4800 struct bfa_s *bfa) 4801 { 4802 struct bfa_mem_kva_s *rport_kva = BFA_MEM_RPORT_KVA(bfa); 4803 4804 if (cfg->fwcfg.num_rports < BFA_RPORT_MIN) 4805 cfg->fwcfg.num_rports = BFA_RPORT_MIN; 4806 4807 /* kva memory */ 4808 bfa_mem_kva_setup(minfo, rport_kva, 4809 cfg->fwcfg.num_rports * sizeof(struct bfa_rport_s)); 4810 } 4811 4812 void 4813 bfa_rport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, 4814 struct bfa_pcidev_s *pcidev) 4815 { 4816 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa); 4817 struct bfa_rport_s *rp; 4818 u16 i; 4819 4820 INIT_LIST_HEAD(&mod->rp_free_q); 4821 INIT_LIST_HEAD(&mod->rp_active_q); 4822 INIT_LIST_HEAD(&mod->rp_unused_q); 4823 4824 rp = (struct bfa_rport_s *) bfa_mem_kva_curp(mod); 4825 mod->rps_list = rp; 4826 mod->num_rports = cfg->fwcfg.num_rports; 4827 4828 WARN_ON(!mod->num_rports || 4829 (mod->num_rports & (mod->num_rports - 1))); 4830 4831 for (i = 0; i < mod->num_rports; i++, rp++) { 4832 memset(rp, 0, sizeof(struct bfa_rport_s)); 4833 rp->bfa = bfa; 4834 rp->rport_tag = i; 4835 bfa_sm_set_state(rp, bfa_rport_sm_uninit); 4836 4837 /* 4838 * - is unused 4839 */ 4840 if (i) 4841 list_add_tail(&rp->qe, &mod->rp_free_q); 4842 4843 bfa_reqq_winit(&rp->reqq_wait, bfa_rport_qresume, rp); 4844 } 4845 4846 /* 4847 * consume memory 4848 */ 4849 bfa_mem_kva_curp(mod) = (u8 *) rp; 4850 } 4851 4852 void 4853 bfa_rport_iocdisable(struct bfa_s *bfa) 4854 { 4855 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa); 4856 struct bfa_rport_s *rport; 4857 struct list_head *qe, *qen; 4858 4859 /* Enqueue unused rport resources to free_q */ 4860 list_splice_tail_init(&mod->rp_unused_q, &mod->rp_free_q); 4861 4862 list_for_each_safe(qe, qen, &mod->rp_active_q) { 4863 rport = (struct bfa_rport_s *) qe; 4864 bfa_sm_send_event(rport, BFA_RPORT_SM_HWFAIL); 4865 } 4866 } 4867 4868 static struct bfa_rport_s * 4869 bfa_rport_alloc(struct bfa_rport_mod_s *mod) 4870 { 4871 struct bfa_rport_s *rport; 4872 4873 bfa_q_deq(&mod->rp_free_q, &rport); 4874 if (rport) 4875 list_add_tail(&rport->qe, &mod->rp_active_q); 4876 4877 return rport; 4878 } 4879 4880 static void 4881 bfa_rport_free(struct bfa_rport_s *rport) 4882 { 4883 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(rport->bfa); 4884 4885 WARN_ON(!bfa_q_is_on_q(&mod->rp_active_q, rport)); 4886 list_del(&rport->qe); 4887 list_add_tail(&rport->qe, &mod->rp_free_q); 4888 } 4889 4890 static bfa_boolean_t 4891 bfa_rport_send_fwcreate(struct bfa_rport_s *rp) 4892 { 4893 struct bfi_rport_create_req_s *m; 4894 4895 /* 4896 * check for room in queue to send request now 4897 */ 4898 m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT); 4899 if (!m) { 4900 bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait); 4901 return BFA_FALSE; 4902 } 4903 4904 bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_CREATE_REQ, 4905 bfa_fn_lpu(rp->bfa)); 4906 m->bfa_handle = rp->rport_tag; 4907 m->max_frmsz = cpu_to_be16(rp->rport_info.max_frmsz); 4908 m->pid = rp->rport_info.pid; 4909 m->lp_fwtag = bfa_lps_get_fwtag(rp->bfa, (u8)rp->rport_info.lp_tag); 4910 m->local_pid = rp->rport_info.local_pid; 4911 m->fc_class = rp->rport_info.fc_class; 4912 m->vf_en = rp->rport_info.vf_en; 4913 m->vf_id = rp->rport_info.vf_id; 4914 m->cisc = rp->rport_info.cisc; 4915 4916 /* 4917 * queue I/O message to firmware 4918 */ 4919 bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh); 4920 return BFA_TRUE; 4921 } 4922 4923 static bfa_boolean_t 4924 bfa_rport_send_fwdelete(struct bfa_rport_s *rp) 4925 { 4926 struct bfi_rport_delete_req_s *m; 4927 4928 /* 4929 * check for room in queue to send request now 4930 */ 4931 m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT); 4932 if (!m) { 4933 bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait); 4934 return BFA_FALSE; 4935 } 4936 4937 bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_DELETE_REQ, 4938 bfa_fn_lpu(rp->bfa)); 4939 m->fw_handle = rp->fw_handle; 4940 4941 /* 4942 * queue I/O message to firmware 4943 */ 4944 bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh); 4945 return BFA_TRUE; 4946 } 4947 4948 static bfa_boolean_t 4949 bfa_rport_send_fwspeed(struct bfa_rport_s *rp) 4950 { 4951 struct bfa_rport_speed_req_s *m; 4952 4953 /* 4954 * check for room in queue to send request now 4955 */ 4956 m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT); 4957 if (!m) { 4958 bfa_trc(rp->bfa, rp->rport_info.speed); 4959 return BFA_FALSE; 4960 } 4961 4962 bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_SET_SPEED_REQ, 4963 bfa_fn_lpu(rp->bfa)); 4964 m->fw_handle = rp->fw_handle; 4965 m->speed = (u8)rp->rport_info.speed; 4966 4967 /* 4968 * queue I/O message to firmware 4969 */ 4970 bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh); 4971 return BFA_TRUE; 4972 } 4973 4974 4975 4976 /* 4977 * bfa_rport_public 4978 */ 4979 4980 /* 4981 * Rport interrupt processing. 4982 */ 4983 void 4984 bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m) 4985 { 4986 union bfi_rport_i2h_msg_u msg; 4987 struct bfa_rport_s *rp; 4988 4989 bfa_trc(bfa, m->mhdr.msg_id); 4990 4991 msg.msg = m; 4992 4993 switch (m->mhdr.msg_id) { 4994 case BFI_RPORT_I2H_CREATE_RSP: 4995 rp = BFA_RPORT_FROM_TAG(bfa, msg.create_rsp->bfa_handle); 4996 rp->fw_handle = msg.create_rsp->fw_handle; 4997 rp->qos_attr = msg.create_rsp->qos_attr; 4998 bfa_rport_set_lunmask(bfa, rp); 4999 WARN_ON(msg.create_rsp->status != BFA_STATUS_OK); 5000 bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP); 5001 break; 5002 5003 case BFI_RPORT_I2H_DELETE_RSP: 5004 rp = BFA_RPORT_FROM_TAG(bfa, msg.delete_rsp->bfa_handle); 5005 WARN_ON(msg.delete_rsp->status != BFA_STATUS_OK); 5006 bfa_rport_unset_lunmask(bfa, rp); 5007 bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP); 5008 break; 5009 5010 case BFI_RPORT_I2H_QOS_SCN: 5011 rp = BFA_RPORT_FROM_TAG(bfa, msg.qos_scn_evt->bfa_handle); 5012 rp->event_arg.fw_msg = msg.qos_scn_evt; 5013 bfa_sm_send_event(rp, BFA_RPORT_SM_QOS_SCN); 5014 break; 5015 5016 case BFI_RPORT_I2H_LIP_SCN_ONLINE: 5017 bfa_fcport_update_loop_info(BFA_FCPORT_MOD(bfa), 5018 &msg.lip_scn->loop_info); 5019 bfa_cb_rport_scn_online(bfa); 5020 break; 5021 5022 case BFI_RPORT_I2H_LIP_SCN_OFFLINE: 5023 bfa_cb_rport_scn_offline(bfa); 5024 break; 5025 5026 case BFI_RPORT_I2H_NO_DEV: 5027 rp = BFA_RPORT_FROM_TAG(bfa, msg.lip_scn->bfa_handle); 5028 bfa_cb_rport_scn_no_dev(rp->rport_drv); 5029 break; 5030 5031 default: 5032 bfa_trc(bfa, m->mhdr.msg_id); 5033 WARN_ON(1); 5034 } 5035 } 5036 5037 void 5038 bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw) 5039 { 5040 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa); 5041 struct list_head *qe; 5042 int i; 5043 5044 for (i = 0; i < (mod->num_rports - num_rport_fw); i++) { 5045 bfa_q_deq_tail(&mod->rp_free_q, &qe); 5046 list_add_tail(qe, &mod->rp_unused_q); 5047 } 5048 } 5049 5050 /* 5051 * bfa_rport_api 5052 */ 5053 5054 struct bfa_rport_s * 5055 bfa_rport_create(struct bfa_s *bfa, void *rport_drv) 5056 { 5057 struct bfa_rport_s *rp; 5058 5059 rp = bfa_rport_alloc(BFA_RPORT_MOD(bfa)); 5060 5061 if (rp == NULL) 5062 return NULL; 5063 5064 rp->bfa = bfa; 5065 rp->rport_drv = rport_drv; 5066 memset(&rp->stats, 0, sizeof(rp->stats)); 5067 5068 WARN_ON(!bfa_sm_cmp_state(rp, bfa_rport_sm_uninit)); 5069 bfa_sm_send_event(rp, BFA_RPORT_SM_CREATE); 5070 5071 return rp; 5072 } 5073 5074 void 5075 bfa_rport_online(struct bfa_rport_s *rport, struct bfa_rport_info_s *rport_info) 5076 { 5077 WARN_ON(rport_info->max_frmsz == 0); 5078 5079 /* 5080 * Some JBODs are seen to be not setting PDU size correctly in PLOGI 5081 * responses. Default to minimum size. 5082 */ 5083 if (rport_info->max_frmsz == 0) { 5084 bfa_trc(rport->bfa, rport->rport_tag); 5085 rport_info->max_frmsz = FC_MIN_PDUSZ; 5086 } 5087 5088 rport->rport_info = *rport_info; 5089 bfa_sm_send_event(rport, BFA_RPORT_SM_ONLINE); 5090 } 5091 5092 void 5093 bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed) 5094 { 5095 WARN_ON(speed == 0); 5096 WARN_ON(speed == BFA_PORT_SPEED_AUTO); 5097 5098 if (rport) { 5099 rport->rport_info.speed = speed; 5100 bfa_sm_send_event(rport, BFA_RPORT_SM_SET_SPEED); 5101 } 5102 } 5103 5104 /* Set Rport LUN Mask */ 5105 void 5106 bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp) 5107 { 5108 struct bfa_lps_mod_s *lps_mod = BFA_LPS_MOD(bfa); 5109 wwn_t lp_wwn, rp_wwn; 5110 u8 lp_tag = (u8)rp->rport_info.lp_tag; 5111 5112 rp_wwn = ((struct bfa_fcs_rport_s *)rp->rport_drv)->pwwn; 5113 lp_wwn = (BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag))->pwwn; 5114 5115 BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag)->lun_mask = 5116 rp->lun_mask = BFA_TRUE; 5117 bfa_fcpim_lunmask_rp_update(bfa, lp_wwn, rp_wwn, rp->rport_tag, lp_tag); 5118 } 5119 5120 /* Unset Rport LUN mask */ 5121 void 5122 bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp) 5123 { 5124 struct bfa_lps_mod_s *lps_mod = BFA_LPS_MOD(bfa); 5125 wwn_t lp_wwn, rp_wwn; 5126 5127 rp_wwn = ((struct bfa_fcs_rport_s *)rp->rport_drv)->pwwn; 5128 lp_wwn = (BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag))->pwwn; 5129 5130 BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag)->lun_mask = 5131 rp->lun_mask = BFA_FALSE; 5132 bfa_fcpim_lunmask_rp_update(bfa, lp_wwn, rp_wwn, 5133 BFA_RPORT_TAG_INVALID, BFA_LP_TAG_INVALID); 5134 } 5135 5136 /* 5137 * SGPG related functions 5138 */ 5139 5140 /* 5141 * Compute and return memory needed by FCP(im) module. 5142 */ 5143 void 5144 bfa_sgpg_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo, 5145 struct bfa_s *bfa) 5146 { 5147 struct bfa_sgpg_mod_s *sgpg_mod = BFA_SGPG_MOD(bfa); 5148 struct bfa_mem_kva_s *sgpg_kva = BFA_MEM_SGPG_KVA(bfa); 5149 struct bfa_mem_dma_s *seg_ptr; 5150 u16 nsegs, idx, per_seg_sgpg, num_sgpg; 5151 u32 sgpg_sz = sizeof(struct bfi_sgpg_s); 5152 5153 if (cfg->drvcfg.num_sgpgs < BFA_SGPG_MIN) 5154 cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN; 5155 else if (cfg->drvcfg.num_sgpgs > BFA_SGPG_MAX) 5156 cfg->drvcfg.num_sgpgs = BFA_SGPG_MAX; 5157 5158 num_sgpg = cfg->drvcfg.num_sgpgs; 5159 5160 nsegs = BFI_MEM_DMA_NSEGS(num_sgpg, sgpg_sz); 5161 per_seg_sgpg = BFI_MEM_NREQS_SEG(sgpg_sz); 5162 5163 bfa_mem_dma_seg_iter(sgpg_mod, seg_ptr, nsegs, idx) { 5164 if (num_sgpg >= per_seg_sgpg) { 5165 num_sgpg -= per_seg_sgpg; 5166 bfa_mem_dma_setup(minfo, seg_ptr, 5167 per_seg_sgpg * sgpg_sz); 5168 } else 5169 bfa_mem_dma_setup(minfo, seg_ptr, 5170 num_sgpg * sgpg_sz); 5171 } 5172 5173 /* kva memory */ 5174 bfa_mem_kva_setup(minfo, sgpg_kva, 5175 cfg->drvcfg.num_sgpgs * sizeof(struct bfa_sgpg_s)); 5176 } 5177 5178 void 5179 bfa_sgpg_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, 5180 struct bfa_pcidev_s *pcidev) 5181 { 5182 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa); 5183 struct bfa_sgpg_s *hsgpg; 5184 struct bfi_sgpg_s *sgpg; 5185 u64 align_len; 5186 struct bfa_mem_dma_s *seg_ptr; 5187 u32 sgpg_sz = sizeof(struct bfi_sgpg_s); 5188 u16 i, idx, nsegs, per_seg_sgpg, num_sgpg; 5189 5190 union { 5191 u64 pa; 5192 union bfi_addr_u addr; 5193 } sgpg_pa, sgpg_pa_tmp; 5194 5195 INIT_LIST_HEAD(&mod->sgpg_q); 5196 INIT_LIST_HEAD(&mod->sgpg_wait_q); 5197 5198 bfa_trc(bfa, cfg->drvcfg.num_sgpgs); 5199 5200 mod->free_sgpgs = mod->num_sgpgs = cfg->drvcfg.num_sgpgs; 5201 5202 num_sgpg = cfg->drvcfg.num_sgpgs; 5203 nsegs = BFI_MEM_DMA_NSEGS(num_sgpg, sgpg_sz); 5204 5205 /* dma/kva mem claim */ 5206 hsgpg = (struct bfa_sgpg_s *) bfa_mem_kva_curp(mod); 5207 5208 bfa_mem_dma_seg_iter(mod, seg_ptr, nsegs, idx) { 5209 5210 if (!bfa_mem_dma_virt(seg_ptr)) 5211 break; 5212 5213 align_len = BFA_SGPG_ROUNDUP(bfa_mem_dma_phys(seg_ptr)) - 5214 bfa_mem_dma_phys(seg_ptr); 5215 5216 sgpg = (struct bfi_sgpg_s *) 5217 (((u8 *) bfa_mem_dma_virt(seg_ptr)) + align_len); 5218 sgpg_pa.pa = bfa_mem_dma_phys(seg_ptr) + align_len; 5219 WARN_ON(sgpg_pa.pa & (sgpg_sz - 1)); 5220 5221 per_seg_sgpg = (seg_ptr->mem_len - (u32)align_len) / sgpg_sz; 5222 5223 for (i = 0; num_sgpg > 0 && i < per_seg_sgpg; i++, num_sgpg--) { 5224 memset(hsgpg, 0, sizeof(*hsgpg)); 5225 memset(sgpg, 0, sizeof(*sgpg)); 5226 5227 hsgpg->sgpg = sgpg; 5228 sgpg_pa_tmp.pa = bfa_sgaddr_le(sgpg_pa.pa); 5229 hsgpg->sgpg_pa = sgpg_pa_tmp.addr; 5230 list_add_tail(&hsgpg->qe, &mod->sgpg_q); 5231 5232 sgpg++; 5233 hsgpg++; 5234 sgpg_pa.pa += sgpg_sz; 5235 } 5236 } 5237 5238 bfa_mem_kva_curp(mod) = (u8 *) hsgpg; 5239 } 5240 5241 bfa_status_t 5242 bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs) 5243 { 5244 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa); 5245 struct bfa_sgpg_s *hsgpg; 5246 int i; 5247 5248 if (mod->free_sgpgs < nsgpgs) 5249 return BFA_STATUS_ENOMEM; 5250 5251 for (i = 0; i < nsgpgs; i++) { 5252 bfa_q_deq(&mod->sgpg_q, &hsgpg); 5253 WARN_ON(!hsgpg); 5254 list_add_tail(&hsgpg->qe, sgpg_q); 5255 } 5256 5257 mod->free_sgpgs -= nsgpgs; 5258 return BFA_STATUS_OK; 5259 } 5260 5261 void 5262 bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpg) 5263 { 5264 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa); 5265 struct bfa_sgpg_wqe_s *wqe; 5266 5267 mod->free_sgpgs += nsgpg; 5268 WARN_ON(mod->free_sgpgs > mod->num_sgpgs); 5269 5270 list_splice_tail_init(sgpg_q, &mod->sgpg_q); 5271 5272 if (list_empty(&mod->sgpg_wait_q)) 5273 return; 5274 5275 /* 5276 * satisfy as many waiting requests as possible 5277 */ 5278 do { 5279 wqe = bfa_q_first(&mod->sgpg_wait_q); 5280 if (mod->free_sgpgs < wqe->nsgpg) 5281 nsgpg = mod->free_sgpgs; 5282 else 5283 nsgpg = wqe->nsgpg; 5284 bfa_sgpg_malloc(bfa, &wqe->sgpg_q, nsgpg); 5285 wqe->nsgpg -= nsgpg; 5286 if (wqe->nsgpg == 0) { 5287 list_del(&wqe->qe); 5288 wqe->cbfn(wqe->cbarg); 5289 } 5290 } while (mod->free_sgpgs && !list_empty(&mod->sgpg_wait_q)); 5291 } 5292 5293 void 5294 bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpg) 5295 { 5296 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa); 5297 5298 WARN_ON(nsgpg <= 0); 5299 WARN_ON(nsgpg <= mod->free_sgpgs); 5300 5301 wqe->nsgpg_total = wqe->nsgpg = nsgpg; 5302 5303 /* 5304 * allocate any left to this one first 5305 */ 5306 if (mod->free_sgpgs) { 5307 /* 5308 * no one else is waiting for SGPG 5309 */ 5310 WARN_ON(!list_empty(&mod->sgpg_wait_q)); 5311 list_splice_tail_init(&mod->sgpg_q, &wqe->sgpg_q); 5312 wqe->nsgpg -= mod->free_sgpgs; 5313 mod->free_sgpgs = 0; 5314 } 5315 5316 list_add_tail(&wqe->qe, &mod->sgpg_wait_q); 5317 } 5318 5319 void 5320 bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe) 5321 { 5322 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa); 5323 5324 WARN_ON(!bfa_q_is_on_q(&mod->sgpg_wait_q, wqe)); 5325 list_del(&wqe->qe); 5326 5327 if (wqe->nsgpg_total != wqe->nsgpg) 5328 bfa_sgpg_mfree(bfa, &wqe->sgpg_q, 5329 wqe->nsgpg_total - wqe->nsgpg); 5330 } 5331 5332 void 5333 bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe, void (*cbfn) (void *cbarg), 5334 void *cbarg) 5335 { 5336 INIT_LIST_HEAD(&wqe->sgpg_q); 5337 wqe->cbfn = cbfn; 5338 wqe->cbarg = cbarg; 5339 } 5340 5341 /* 5342 * UF related functions 5343 */ 5344 /* 5345 ***************************************************************************** 5346 * Internal functions 5347 ***************************************************************************** 5348 */ 5349 static void 5350 __bfa_cb_uf_recv(void *cbarg, bfa_boolean_t complete) 5351 { 5352 struct bfa_uf_s *uf = cbarg; 5353 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(uf->bfa); 5354 5355 if (complete) 5356 ufm->ufrecv(ufm->cbarg, uf); 5357 } 5358 5359 static void 5360 claim_uf_post_msgs(struct bfa_uf_mod_s *ufm) 5361 { 5362 struct bfi_uf_buf_post_s *uf_bp_msg; 5363 u16 i; 5364 u16 buf_len; 5365 5366 ufm->uf_buf_posts = (struct bfi_uf_buf_post_s *) bfa_mem_kva_curp(ufm); 5367 uf_bp_msg = ufm->uf_buf_posts; 5368 5369 for (i = 0, uf_bp_msg = ufm->uf_buf_posts; i < ufm->num_ufs; 5370 i++, uf_bp_msg++) { 5371 memset(uf_bp_msg, 0, sizeof(struct bfi_uf_buf_post_s)); 5372 5373 uf_bp_msg->buf_tag = i; 5374 buf_len = sizeof(struct bfa_uf_buf_s); 5375 uf_bp_msg->buf_len = cpu_to_be16(buf_len); 5376 bfi_h2i_set(uf_bp_msg->mh, BFI_MC_UF, BFI_UF_H2I_BUF_POST, 5377 bfa_fn_lpu(ufm->bfa)); 5378 bfa_alen_set(&uf_bp_msg->alen, buf_len, ufm_pbs_pa(ufm, i)); 5379 } 5380 5381 /* 5382 * advance pointer beyond consumed memory 5383 */ 5384 bfa_mem_kva_curp(ufm) = (u8 *) uf_bp_msg; 5385 } 5386 5387 static void 5388 claim_ufs(struct bfa_uf_mod_s *ufm) 5389 { 5390 u16 i; 5391 struct bfa_uf_s *uf; 5392 5393 /* 5394 * Claim block of memory for UF list 5395 */ 5396 ufm->uf_list = (struct bfa_uf_s *) bfa_mem_kva_curp(ufm); 5397 5398 /* 5399 * Initialize UFs and queue it in UF free queue 5400 */ 5401 for (i = 0, uf = ufm->uf_list; i < ufm->num_ufs; i++, uf++) { 5402 memset(uf, 0, sizeof(struct bfa_uf_s)); 5403 uf->bfa = ufm->bfa; 5404 uf->uf_tag = i; 5405 uf->pb_len = BFA_PER_UF_DMA_SZ; 5406 uf->buf_kva = bfa_mem_get_dmabuf_kva(ufm, i, BFA_PER_UF_DMA_SZ); 5407 uf->buf_pa = ufm_pbs_pa(ufm, i); 5408 list_add_tail(&uf->qe, &ufm->uf_free_q); 5409 } 5410 5411 /* 5412 * advance memory pointer 5413 */ 5414 bfa_mem_kva_curp(ufm) = (u8 *) uf; 5415 } 5416 5417 static void 5418 uf_mem_claim(struct bfa_uf_mod_s *ufm) 5419 { 5420 claim_ufs(ufm); 5421 claim_uf_post_msgs(ufm); 5422 } 5423 5424 void 5425 bfa_uf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo, 5426 struct bfa_s *bfa) 5427 { 5428 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa); 5429 struct bfa_mem_kva_s *uf_kva = BFA_MEM_UF_KVA(bfa); 5430 u32 num_ufs = cfg->fwcfg.num_uf_bufs; 5431 struct bfa_mem_dma_s *seg_ptr; 5432 u16 nsegs, idx, per_seg_uf = 0; 5433 5434 nsegs = BFI_MEM_DMA_NSEGS(num_ufs, BFA_PER_UF_DMA_SZ); 5435 per_seg_uf = BFI_MEM_NREQS_SEG(BFA_PER_UF_DMA_SZ); 5436 5437 bfa_mem_dma_seg_iter(ufm, seg_ptr, nsegs, idx) { 5438 if (num_ufs >= per_seg_uf) { 5439 num_ufs -= per_seg_uf; 5440 bfa_mem_dma_setup(minfo, seg_ptr, 5441 per_seg_uf * BFA_PER_UF_DMA_SZ); 5442 } else 5443 bfa_mem_dma_setup(minfo, seg_ptr, 5444 num_ufs * BFA_PER_UF_DMA_SZ); 5445 } 5446 5447 /* kva memory */ 5448 bfa_mem_kva_setup(minfo, uf_kva, cfg->fwcfg.num_uf_bufs * 5449 (sizeof(struct bfa_uf_s) + sizeof(struct bfi_uf_buf_post_s))); 5450 } 5451 5452 void 5453 bfa_uf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, 5454 struct bfa_pcidev_s *pcidev) 5455 { 5456 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa); 5457 5458 ufm->bfa = bfa; 5459 ufm->num_ufs = cfg->fwcfg.num_uf_bufs; 5460 INIT_LIST_HEAD(&ufm->uf_free_q); 5461 INIT_LIST_HEAD(&ufm->uf_posted_q); 5462 INIT_LIST_HEAD(&ufm->uf_unused_q); 5463 5464 uf_mem_claim(ufm); 5465 } 5466 5467 static struct bfa_uf_s * 5468 bfa_uf_get(struct bfa_uf_mod_s *uf_mod) 5469 { 5470 struct bfa_uf_s *uf; 5471 5472 bfa_q_deq(&uf_mod->uf_free_q, &uf); 5473 return uf; 5474 } 5475 5476 static void 5477 bfa_uf_put(struct bfa_uf_mod_s *uf_mod, struct bfa_uf_s *uf) 5478 { 5479 list_add_tail(&uf->qe, &uf_mod->uf_free_q); 5480 } 5481 5482 static bfa_status_t 5483 bfa_uf_post(struct bfa_uf_mod_s *ufm, struct bfa_uf_s *uf) 5484 { 5485 struct bfi_uf_buf_post_s *uf_post_msg; 5486 5487 uf_post_msg = bfa_reqq_next(ufm->bfa, BFA_REQQ_FCXP); 5488 if (!uf_post_msg) 5489 return BFA_STATUS_FAILED; 5490 5491 memcpy(uf_post_msg, &ufm->uf_buf_posts[uf->uf_tag], 5492 sizeof(struct bfi_uf_buf_post_s)); 5493 bfa_reqq_produce(ufm->bfa, BFA_REQQ_FCXP, uf_post_msg->mh); 5494 5495 bfa_trc(ufm->bfa, uf->uf_tag); 5496 5497 list_add_tail(&uf->qe, &ufm->uf_posted_q); 5498 return BFA_STATUS_OK; 5499 } 5500 5501 static void 5502 bfa_uf_post_all(struct bfa_uf_mod_s *uf_mod) 5503 { 5504 struct bfa_uf_s *uf; 5505 5506 while ((uf = bfa_uf_get(uf_mod)) != NULL) { 5507 if (bfa_uf_post(uf_mod, uf) != BFA_STATUS_OK) 5508 break; 5509 } 5510 } 5511 5512 static void 5513 uf_recv(struct bfa_s *bfa, struct bfi_uf_frm_rcvd_s *m) 5514 { 5515 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa); 5516 u16 uf_tag = m->buf_tag; 5517 struct bfa_uf_s *uf = &ufm->uf_list[uf_tag]; 5518 struct bfa_uf_buf_s *uf_buf; 5519 uint8_t *buf; 5520 5521 uf_buf = (struct bfa_uf_buf_s *) 5522 bfa_mem_get_dmabuf_kva(ufm, uf_tag, uf->pb_len); 5523 buf = &uf_buf->d[0]; 5524 5525 m->frm_len = be16_to_cpu(m->frm_len); 5526 m->xfr_len = be16_to_cpu(m->xfr_len); 5527 5528 list_del(&uf->qe); /* dequeue from posted queue */ 5529 5530 uf->data_ptr = buf; 5531 uf->data_len = m->xfr_len; 5532 5533 WARN_ON(uf->data_len < sizeof(struct fchs_s)); 5534 5535 if (uf->data_len == sizeof(struct fchs_s)) { 5536 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_UF, BFA_PL_EID_RX, 5537 uf->data_len, (struct fchs_s *)buf); 5538 } else { 5539 u32 pld_w0 = *((u32 *) (buf + sizeof(struct fchs_s))); 5540 bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_UF, 5541 BFA_PL_EID_RX, uf->data_len, 5542 (struct fchs_s *)buf, pld_w0); 5543 } 5544 5545 if (bfa->fcs) 5546 __bfa_cb_uf_recv(uf, BFA_TRUE); 5547 else 5548 bfa_cb_queue(bfa, &uf->hcb_qe, __bfa_cb_uf_recv, uf); 5549 } 5550 5551 void 5552 bfa_uf_iocdisable(struct bfa_s *bfa) 5553 { 5554 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa); 5555 struct bfa_uf_s *uf; 5556 struct list_head *qe, *qen; 5557 5558 /* Enqueue unused uf resources to free_q */ 5559 list_splice_tail_init(&ufm->uf_unused_q, &ufm->uf_free_q); 5560 5561 list_for_each_safe(qe, qen, &ufm->uf_posted_q) { 5562 uf = (struct bfa_uf_s *) qe; 5563 list_del(&uf->qe); 5564 bfa_uf_put(ufm, uf); 5565 } 5566 } 5567 5568 void 5569 bfa_uf_start(struct bfa_s *bfa) 5570 { 5571 bfa_uf_post_all(BFA_UF_MOD(bfa)); 5572 } 5573 5574 /* 5575 * Register handler for all unsolicted receive frames. 5576 * 5577 * @param[in] bfa BFA instance 5578 * @param[in] ufrecv receive handler function 5579 * @param[in] cbarg receive handler arg 5580 */ 5581 void 5582 bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv, void *cbarg) 5583 { 5584 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa); 5585 5586 ufm->ufrecv = ufrecv; 5587 ufm->cbarg = cbarg; 5588 } 5589 5590 /* 5591 * Free an unsolicited frame back to BFA. 5592 * 5593 * @param[in] uf unsolicited frame to be freed 5594 * 5595 * @return None 5596 */ 5597 void 5598 bfa_uf_free(struct bfa_uf_s *uf) 5599 { 5600 bfa_uf_put(BFA_UF_MOD(uf->bfa), uf); 5601 bfa_uf_post_all(BFA_UF_MOD(uf->bfa)); 5602 } 5603 5604 5605 5606 /* 5607 * uf_pub BFA uf module public functions 5608 */ 5609 void 5610 bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg) 5611 { 5612 bfa_trc(bfa, msg->mhdr.msg_id); 5613 5614 switch (msg->mhdr.msg_id) { 5615 case BFI_UF_I2H_FRM_RCVD: 5616 uf_recv(bfa, (struct bfi_uf_frm_rcvd_s *) msg); 5617 break; 5618 5619 default: 5620 bfa_trc(bfa, msg->mhdr.msg_id); 5621 WARN_ON(1); 5622 } 5623 } 5624 5625 void 5626 bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw) 5627 { 5628 struct bfa_uf_mod_s *mod = BFA_UF_MOD(bfa); 5629 struct list_head *qe; 5630 int i; 5631 5632 for (i = 0; i < (mod->num_ufs - num_uf_fw); i++) { 5633 bfa_q_deq_tail(&mod->uf_free_q, &qe); 5634 list_add_tail(qe, &mod->uf_unused_q); 5635 } 5636 } 5637 5638 /* 5639 * Dport forward declaration 5640 */ 5641 5642 enum bfa_dport_test_state_e { 5643 BFA_DPORT_ST_DISABLED = 0, /*!< dport is disabled */ 5644 BFA_DPORT_ST_INP = 1, /*!< test in progress */ 5645 BFA_DPORT_ST_COMP = 2, /*!< test complete successfully */ 5646 BFA_DPORT_ST_NO_SFP = 3, /*!< sfp is not present */ 5647 BFA_DPORT_ST_NOTSTART = 4, /*!< test not start dport is enabled */ 5648 }; 5649 5650 /* 5651 * BFA DPORT state machine events 5652 */ 5653 enum bfa_dport_sm_event { 5654 BFA_DPORT_SM_ENABLE = 1, /* dport enable event */ 5655 BFA_DPORT_SM_DISABLE = 2, /* dport disable event */ 5656 BFA_DPORT_SM_FWRSP = 3, /* fw enable/disable rsp */ 5657 BFA_DPORT_SM_QRESUME = 4, /* CQ space available */ 5658 BFA_DPORT_SM_HWFAIL = 5, /* IOC h/w failure */ 5659 BFA_DPORT_SM_START = 6, /* re-start dport test */ 5660 BFA_DPORT_SM_REQFAIL = 7, /* request failure */ 5661 BFA_DPORT_SM_SCN = 8, /* state change notify frm fw */ 5662 }; 5663 5664 static void bfa_dport_sm_disabled(struct bfa_dport_s *dport, 5665 enum bfa_dport_sm_event event); 5666 static void bfa_dport_sm_enabling_qwait(struct bfa_dport_s *dport, 5667 enum bfa_dport_sm_event event); 5668 static void bfa_dport_sm_enabling(struct bfa_dport_s *dport, 5669 enum bfa_dport_sm_event event); 5670 static void bfa_dport_sm_enabled(struct bfa_dport_s *dport, 5671 enum bfa_dport_sm_event event); 5672 static void bfa_dport_sm_disabling_qwait(struct bfa_dport_s *dport, 5673 enum bfa_dport_sm_event event); 5674 static void bfa_dport_sm_disabling(struct bfa_dport_s *dport, 5675 enum bfa_dport_sm_event event); 5676 static void bfa_dport_sm_starting_qwait(struct bfa_dport_s *dport, 5677 enum bfa_dport_sm_event event); 5678 static void bfa_dport_sm_starting(struct bfa_dport_s *dport, 5679 enum bfa_dport_sm_event event); 5680 static void bfa_dport_sm_dynamic_disabling(struct bfa_dport_s *dport, 5681 enum bfa_dport_sm_event event); 5682 static void bfa_dport_sm_dynamic_disabling_qwait(struct bfa_dport_s *dport, 5683 enum bfa_dport_sm_event event); 5684 static void bfa_dport_qresume(void *cbarg); 5685 static void bfa_dport_req_comp(struct bfa_dport_s *dport, 5686 struct bfi_diag_dport_rsp_s *msg); 5687 static void bfa_dport_scn(struct bfa_dport_s *dport, 5688 struct bfi_diag_dport_scn_s *msg); 5689 5690 /* 5691 * BFA fcdiag module 5692 */ 5693 #define BFA_DIAG_QTEST_TOV 1000 /* msec */ 5694 5695 /* 5696 * Set port status to busy 5697 */ 5698 static void 5699 bfa_fcdiag_set_busy_status(struct bfa_fcdiag_s *fcdiag) 5700 { 5701 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(fcdiag->bfa); 5702 5703 if (fcdiag->lb.lock) 5704 fcport->diag_busy = BFA_TRUE; 5705 else 5706 fcport->diag_busy = BFA_FALSE; 5707 } 5708 5709 void 5710 bfa_fcdiag_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, 5711 struct bfa_pcidev_s *pcidev) 5712 { 5713 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa); 5714 struct bfa_dport_s *dport = &fcdiag->dport; 5715 5716 fcdiag->bfa = bfa; 5717 fcdiag->trcmod = bfa->trcmod; 5718 /* The common DIAG attach bfa_diag_attach() will do all memory claim */ 5719 dport->bfa = bfa; 5720 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 5721 bfa_reqq_winit(&dport->reqq_wait, bfa_dport_qresume, dport); 5722 dport->cbfn = NULL; 5723 dport->cbarg = NULL; 5724 dport->test_state = BFA_DPORT_ST_DISABLED; 5725 memset(&dport->result, 0, sizeof(struct bfa_diag_dport_result_s)); 5726 } 5727 5728 void 5729 bfa_fcdiag_iocdisable(struct bfa_s *bfa) 5730 { 5731 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa); 5732 struct bfa_dport_s *dport = &fcdiag->dport; 5733 5734 bfa_trc(fcdiag, fcdiag->lb.lock); 5735 if (fcdiag->lb.lock) { 5736 fcdiag->lb.status = BFA_STATUS_IOC_FAILURE; 5737 fcdiag->lb.cbfn(fcdiag->lb.cbarg, fcdiag->lb.status); 5738 fcdiag->lb.lock = 0; 5739 bfa_fcdiag_set_busy_status(fcdiag); 5740 } 5741 5742 bfa_sm_send_event(dport, BFA_DPORT_SM_HWFAIL); 5743 } 5744 5745 static void 5746 bfa_fcdiag_queuetest_timeout(void *cbarg) 5747 { 5748 struct bfa_fcdiag_s *fcdiag = cbarg; 5749 struct bfa_diag_qtest_result_s *res = fcdiag->qtest.result; 5750 5751 bfa_trc(fcdiag, fcdiag->qtest.all); 5752 bfa_trc(fcdiag, fcdiag->qtest.count); 5753 5754 fcdiag->qtest.timer_active = 0; 5755 5756 res->status = BFA_STATUS_ETIMER; 5757 res->count = QTEST_CNT_DEFAULT - fcdiag->qtest.count; 5758 if (fcdiag->qtest.all) 5759 res->queue = fcdiag->qtest.all; 5760 5761 bfa_trc(fcdiag, BFA_STATUS_ETIMER); 5762 fcdiag->qtest.status = BFA_STATUS_ETIMER; 5763 fcdiag->qtest.cbfn(fcdiag->qtest.cbarg, fcdiag->qtest.status); 5764 fcdiag->qtest.lock = 0; 5765 } 5766 5767 static bfa_status_t 5768 bfa_fcdiag_queuetest_send(struct bfa_fcdiag_s *fcdiag) 5769 { 5770 u32 i; 5771 struct bfi_diag_qtest_req_s *req; 5772 5773 req = bfa_reqq_next(fcdiag->bfa, fcdiag->qtest.queue); 5774 if (!req) 5775 return BFA_STATUS_DEVBUSY; 5776 5777 /* build host command */ 5778 bfi_h2i_set(req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_QTEST, 5779 bfa_fn_lpu(fcdiag->bfa)); 5780 5781 for (i = 0; i < BFI_LMSG_PL_WSZ; i++) 5782 req->data[i] = QTEST_PAT_DEFAULT; 5783 5784 bfa_trc(fcdiag, fcdiag->qtest.queue); 5785 /* ring door bell */ 5786 bfa_reqq_produce(fcdiag->bfa, fcdiag->qtest.queue, req->mh); 5787 return BFA_STATUS_OK; 5788 } 5789 5790 static void 5791 bfa_fcdiag_queuetest_comp(struct bfa_fcdiag_s *fcdiag, 5792 bfi_diag_qtest_rsp_t *rsp) 5793 { 5794 struct bfa_diag_qtest_result_s *res = fcdiag->qtest.result; 5795 bfa_status_t status = BFA_STATUS_OK; 5796 int i; 5797 5798 /* Check timer, should still be active */ 5799 if (!fcdiag->qtest.timer_active) { 5800 bfa_trc(fcdiag, fcdiag->qtest.timer_active); 5801 return; 5802 } 5803 5804 /* update count */ 5805 fcdiag->qtest.count--; 5806 5807 /* Check result */ 5808 for (i = 0; i < BFI_LMSG_PL_WSZ; i++) { 5809 if (rsp->data[i] != ~(QTEST_PAT_DEFAULT)) { 5810 res->status = BFA_STATUS_DATACORRUPTED; 5811 break; 5812 } 5813 } 5814 5815 if (res->status == BFA_STATUS_OK) { 5816 if (fcdiag->qtest.count > 0) { 5817 status = bfa_fcdiag_queuetest_send(fcdiag); 5818 if (status == BFA_STATUS_OK) 5819 return; 5820 else 5821 res->status = status; 5822 } else if (fcdiag->qtest.all > 0 && 5823 fcdiag->qtest.queue < (BFI_IOC_MAX_CQS - 1)) { 5824 fcdiag->qtest.count = QTEST_CNT_DEFAULT; 5825 fcdiag->qtest.queue++; 5826 status = bfa_fcdiag_queuetest_send(fcdiag); 5827 if (status == BFA_STATUS_OK) 5828 return; 5829 else 5830 res->status = status; 5831 } 5832 } 5833 5834 /* Stop timer when we comp all queue */ 5835 if (fcdiag->qtest.timer_active) { 5836 bfa_timer_stop(&fcdiag->qtest.timer); 5837 fcdiag->qtest.timer_active = 0; 5838 } 5839 res->queue = fcdiag->qtest.queue; 5840 res->count = QTEST_CNT_DEFAULT - fcdiag->qtest.count; 5841 bfa_trc(fcdiag, res->count); 5842 bfa_trc(fcdiag, res->status); 5843 fcdiag->qtest.status = res->status; 5844 fcdiag->qtest.cbfn(fcdiag->qtest.cbarg, fcdiag->qtest.status); 5845 fcdiag->qtest.lock = 0; 5846 } 5847 5848 static void 5849 bfa_fcdiag_loopback_comp(struct bfa_fcdiag_s *fcdiag, 5850 struct bfi_diag_lb_rsp_s *rsp) 5851 { 5852 struct bfa_diag_loopback_result_s *res = fcdiag->lb.result; 5853 5854 res->numtxmfrm = be32_to_cpu(rsp->res.numtxmfrm); 5855 res->numosffrm = be32_to_cpu(rsp->res.numosffrm); 5856 res->numrcvfrm = be32_to_cpu(rsp->res.numrcvfrm); 5857 res->badfrminf = be32_to_cpu(rsp->res.badfrminf); 5858 res->badfrmnum = be32_to_cpu(rsp->res.badfrmnum); 5859 res->status = rsp->res.status; 5860 fcdiag->lb.status = rsp->res.status; 5861 bfa_trc(fcdiag, fcdiag->lb.status); 5862 fcdiag->lb.cbfn(fcdiag->lb.cbarg, fcdiag->lb.status); 5863 fcdiag->lb.lock = 0; 5864 bfa_fcdiag_set_busy_status(fcdiag); 5865 } 5866 5867 static bfa_status_t 5868 bfa_fcdiag_loopback_send(struct bfa_fcdiag_s *fcdiag, 5869 struct bfa_diag_loopback_s *loopback) 5870 { 5871 struct bfi_diag_lb_req_s *lb_req; 5872 5873 lb_req = bfa_reqq_next(fcdiag->bfa, BFA_REQQ_DIAG); 5874 if (!lb_req) 5875 return BFA_STATUS_DEVBUSY; 5876 5877 /* build host command */ 5878 bfi_h2i_set(lb_req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_LOOPBACK, 5879 bfa_fn_lpu(fcdiag->bfa)); 5880 5881 lb_req->lb_mode = loopback->lb_mode; 5882 lb_req->speed = loopback->speed; 5883 lb_req->loopcnt = loopback->loopcnt; 5884 lb_req->pattern = loopback->pattern; 5885 5886 /* ring door bell */ 5887 bfa_reqq_produce(fcdiag->bfa, BFA_REQQ_DIAG, lb_req->mh); 5888 5889 bfa_trc(fcdiag, loopback->lb_mode); 5890 bfa_trc(fcdiag, loopback->speed); 5891 bfa_trc(fcdiag, loopback->loopcnt); 5892 bfa_trc(fcdiag, loopback->pattern); 5893 return BFA_STATUS_OK; 5894 } 5895 5896 /* 5897 * cpe/rme intr handler 5898 */ 5899 void 5900 bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg) 5901 { 5902 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa); 5903 5904 switch (msg->mhdr.msg_id) { 5905 case BFI_DIAG_I2H_LOOPBACK: 5906 bfa_fcdiag_loopback_comp(fcdiag, 5907 (struct bfi_diag_lb_rsp_s *) msg); 5908 break; 5909 case BFI_DIAG_I2H_QTEST: 5910 bfa_fcdiag_queuetest_comp(fcdiag, (bfi_diag_qtest_rsp_t *)msg); 5911 break; 5912 case BFI_DIAG_I2H_DPORT: 5913 bfa_dport_req_comp(&fcdiag->dport, 5914 (struct bfi_diag_dport_rsp_s *)msg); 5915 break; 5916 case BFI_DIAG_I2H_DPORT_SCN: 5917 bfa_dport_scn(&fcdiag->dport, 5918 (struct bfi_diag_dport_scn_s *)msg); 5919 break; 5920 default: 5921 bfa_trc(fcdiag, msg->mhdr.msg_id); 5922 WARN_ON(1); 5923 } 5924 } 5925 5926 /* 5927 * Loopback test 5928 * 5929 * @param[in] *bfa - bfa data struct 5930 * @param[in] opmode - port operation mode 5931 * @param[in] speed - port speed 5932 * @param[in] lpcnt - loop count 5933 * @param[in] pat - pattern to build packet 5934 * @param[in] *result - pt to bfa_diag_loopback_result_t data struct 5935 * @param[in] cbfn - callback function 5936 * @param[in] cbarg - callback functioin arg 5937 * 5938 * @param[out] 5939 */ 5940 bfa_status_t 5941 bfa_fcdiag_loopback(struct bfa_s *bfa, enum bfa_port_opmode opmode, 5942 enum bfa_port_speed speed, u32 lpcnt, u32 pat, 5943 struct bfa_diag_loopback_result_s *result, bfa_cb_diag_t cbfn, 5944 void *cbarg) 5945 { 5946 struct bfa_diag_loopback_s loopback; 5947 struct bfa_port_attr_s attr; 5948 bfa_status_t status; 5949 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa); 5950 5951 if (!bfa_iocfc_is_operational(bfa)) 5952 return BFA_STATUS_IOC_NON_OP; 5953 5954 /* if port is PBC disabled, return error */ 5955 if (bfa_fcport_is_pbcdisabled(bfa)) { 5956 bfa_trc(fcdiag, BFA_STATUS_PBC); 5957 return BFA_STATUS_PBC; 5958 } 5959 5960 if (bfa_fcport_is_disabled(bfa) == BFA_FALSE) { 5961 bfa_trc(fcdiag, opmode); 5962 return BFA_STATUS_PORT_NOT_DISABLED; 5963 } 5964 5965 /* 5966 * Check if input speed is supported by the port mode 5967 */ 5968 if (bfa_ioc_get_type(&bfa->ioc) == BFA_IOC_TYPE_FC) { 5969 if (!(speed == BFA_PORT_SPEED_1GBPS || 5970 speed == BFA_PORT_SPEED_2GBPS || 5971 speed == BFA_PORT_SPEED_4GBPS || 5972 speed == BFA_PORT_SPEED_8GBPS || 5973 speed == BFA_PORT_SPEED_16GBPS || 5974 speed == BFA_PORT_SPEED_AUTO)) { 5975 bfa_trc(fcdiag, speed); 5976 return BFA_STATUS_UNSUPP_SPEED; 5977 } 5978 bfa_fcport_get_attr(bfa, &attr); 5979 bfa_trc(fcdiag, attr.speed_supported); 5980 if (speed > attr.speed_supported) 5981 return BFA_STATUS_UNSUPP_SPEED; 5982 } else { 5983 if (speed != BFA_PORT_SPEED_10GBPS) { 5984 bfa_trc(fcdiag, speed); 5985 return BFA_STATUS_UNSUPP_SPEED; 5986 } 5987 } 5988 5989 /* 5990 * For CT2, 1G is not supported 5991 */ 5992 if ((speed == BFA_PORT_SPEED_1GBPS) && 5993 (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id))) { 5994 bfa_trc(fcdiag, speed); 5995 return BFA_STATUS_UNSUPP_SPEED; 5996 } 5997 5998 /* For Mezz card, port speed entered needs to be checked */ 5999 if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type)) { 6000 if (bfa_ioc_get_type(&bfa->ioc) == BFA_IOC_TYPE_FC) { 6001 if (!(speed == BFA_PORT_SPEED_1GBPS || 6002 speed == BFA_PORT_SPEED_2GBPS || 6003 speed == BFA_PORT_SPEED_4GBPS || 6004 speed == BFA_PORT_SPEED_8GBPS || 6005 speed == BFA_PORT_SPEED_16GBPS || 6006 speed == BFA_PORT_SPEED_AUTO)) 6007 return BFA_STATUS_UNSUPP_SPEED; 6008 } else { 6009 if (speed != BFA_PORT_SPEED_10GBPS) 6010 return BFA_STATUS_UNSUPP_SPEED; 6011 } 6012 } 6013 /* check to see if fcport is dport */ 6014 if (bfa_fcport_is_dport(bfa)) { 6015 bfa_trc(fcdiag, fcdiag->lb.lock); 6016 return BFA_STATUS_DPORT_ENABLED; 6017 } 6018 /* check to see if there is another destructive diag cmd running */ 6019 if (fcdiag->lb.lock) { 6020 bfa_trc(fcdiag, fcdiag->lb.lock); 6021 return BFA_STATUS_DEVBUSY; 6022 } 6023 6024 fcdiag->lb.lock = 1; 6025 loopback.lb_mode = opmode; 6026 loopback.speed = speed; 6027 loopback.loopcnt = lpcnt; 6028 loopback.pattern = pat; 6029 fcdiag->lb.result = result; 6030 fcdiag->lb.cbfn = cbfn; 6031 fcdiag->lb.cbarg = cbarg; 6032 memset(result, 0, sizeof(struct bfa_diag_loopback_result_s)); 6033 bfa_fcdiag_set_busy_status(fcdiag); 6034 6035 /* Send msg to fw */ 6036 status = bfa_fcdiag_loopback_send(fcdiag, &loopback); 6037 return status; 6038 } 6039 6040 /* 6041 * DIAG queue test command 6042 * 6043 * @param[in] *bfa - bfa data struct 6044 * @param[in] force - 1: don't do ioc op checking 6045 * @param[in] queue - queue no. to test 6046 * @param[in] *result - pt to bfa_diag_qtest_result_t data struct 6047 * @param[in] cbfn - callback function 6048 * @param[in] *cbarg - callback functioin arg 6049 * 6050 * @param[out] 6051 */ 6052 bfa_status_t 6053 bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 force, u32 queue, 6054 struct bfa_diag_qtest_result_s *result, bfa_cb_diag_t cbfn, 6055 void *cbarg) 6056 { 6057 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa); 6058 bfa_status_t status; 6059 bfa_trc(fcdiag, force); 6060 bfa_trc(fcdiag, queue); 6061 6062 if (!force && !bfa_iocfc_is_operational(bfa)) 6063 return BFA_STATUS_IOC_NON_OP; 6064 6065 /* check to see if there is another destructive diag cmd running */ 6066 if (fcdiag->qtest.lock) { 6067 bfa_trc(fcdiag, fcdiag->qtest.lock); 6068 return BFA_STATUS_DEVBUSY; 6069 } 6070 6071 /* Initialization */ 6072 fcdiag->qtest.lock = 1; 6073 fcdiag->qtest.cbfn = cbfn; 6074 fcdiag->qtest.cbarg = cbarg; 6075 fcdiag->qtest.result = result; 6076 fcdiag->qtest.count = QTEST_CNT_DEFAULT; 6077 6078 /* Init test results */ 6079 fcdiag->qtest.result->status = BFA_STATUS_OK; 6080 fcdiag->qtest.result->count = 0; 6081 6082 /* send */ 6083 if (queue < BFI_IOC_MAX_CQS) { 6084 fcdiag->qtest.result->queue = (u8)queue; 6085 fcdiag->qtest.queue = (u8)queue; 6086 fcdiag->qtest.all = 0; 6087 } else { 6088 fcdiag->qtest.result->queue = 0; 6089 fcdiag->qtest.queue = 0; 6090 fcdiag->qtest.all = 1; 6091 } 6092 status = bfa_fcdiag_queuetest_send(fcdiag); 6093 6094 /* Start a timer */ 6095 if (status == BFA_STATUS_OK) { 6096 bfa_timer_start(bfa, &fcdiag->qtest.timer, 6097 bfa_fcdiag_queuetest_timeout, fcdiag, 6098 BFA_DIAG_QTEST_TOV); 6099 fcdiag->qtest.timer_active = 1; 6100 } 6101 return status; 6102 } 6103 6104 /* 6105 * DIAG PLB is running 6106 * 6107 * @param[in] *bfa - bfa data struct 6108 * 6109 * @param[out] 6110 */ 6111 bfa_status_t 6112 bfa_fcdiag_lb_is_running(struct bfa_s *bfa) 6113 { 6114 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa); 6115 return fcdiag->lb.lock ? BFA_STATUS_DIAG_BUSY : BFA_STATUS_OK; 6116 } 6117 6118 /* 6119 * D-port 6120 */ 6121 #define bfa_dport_result_start(__dport, __mode) do { \ 6122 (__dport)->result.start_time = ktime_get_real_seconds(); \ 6123 (__dport)->result.status = DPORT_TEST_ST_INPRG; \ 6124 (__dport)->result.mode = (__mode); \ 6125 (__dport)->result.rp_pwwn = (__dport)->rp_pwwn; \ 6126 (__dport)->result.rp_nwwn = (__dport)->rp_nwwn; \ 6127 (__dport)->result.lpcnt = (__dport)->lpcnt; \ 6128 } while (0) 6129 6130 static bfa_boolean_t bfa_dport_send_req(struct bfa_dport_s *dport, 6131 enum bfi_dport_req req); 6132 static void 6133 bfa_cb_fcdiag_dport(struct bfa_dport_s *dport, bfa_status_t bfa_status) 6134 { 6135 if (dport->cbfn != NULL) { 6136 dport->cbfn(dport->cbarg, bfa_status); 6137 dport->cbfn = NULL; 6138 dport->cbarg = NULL; 6139 } 6140 } 6141 6142 static void 6143 bfa_dport_sm_disabled(struct bfa_dport_s *dport, enum bfa_dport_sm_event event) 6144 { 6145 bfa_trc(dport->bfa, event); 6146 6147 switch (event) { 6148 case BFA_DPORT_SM_ENABLE: 6149 bfa_fcport_dportenable(dport->bfa); 6150 if (bfa_dport_send_req(dport, BFI_DPORT_ENABLE)) 6151 bfa_sm_set_state(dport, bfa_dport_sm_enabling); 6152 else 6153 bfa_sm_set_state(dport, bfa_dport_sm_enabling_qwait); 6154 break; 6155 6156 case BFA_DPORT_SM_DISABLE: 6157 /* Already disabled */ 6158 break; 6159 6160 case BFA_DPORT_SM_HWFAIL: 6161 /* ignore */ 6162 break; 6163 6164 case BFA_DPORT_SM_SCN: 6165 if (dport->i2hmsg.scn.state == BFI_DPORT_SCN_DDPORT_ENABLE) { 6166 bfa_fcport_ddportenable(dport->bfa); 6167 dport->dynamic = BFA_TRUE; 6168 dport->test_state = BFA_DPORT_ST_NOTSTART; 6169 bfa_sm_set_state(dport, bfa_dport_sm_enabled); 6170 } else { 6171 bfa_trc(dport->bfa, dport->i2hmsg.scn.state); 6172 WARN_ON(1); 6173 } 6174 break; 6175 6176 default: 6177 bfa_sm_fault(dport->bfa, event); 6178 } 6179 } 6180 6181 static void 6182 bfa_dport_sm_enabling_qwait(struct bfa_dport_s *dport, 6183 enum bfa_dport_sm_event event) 6184 { 6185 bfa_trc(dport->bfa, event); 6186 6187 switch (event) { 6188 case BFA_DPORT_SM_QRESUME: 6189 bfa_sm_set_state(dport, bfa_dport_sm_enabling); 6190 bfa_dport_send_req(dport, BFI_DPORT_ENABLE); 6191 break; 6192 6193 case BFA_DPORT_SM_HWFAIL: 6194 bfa_reqq_wcancel(&dport->reqq_wait); 6195 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6196 bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED); 6197 break; 6198 6199 default: 6200 bfa_sm_fault(dport->bfa, event); 6201 } 6202 } 6203 6204 static void 6205 bfa_dport_sm_enabling(struct bfa_dport_s *dport, enum bfa_dport_sm_event event) 6206 { 6207 bfa_trc(dport->bfa, event); 6208 6209 switch (event) { 6210 case BFA_DPORT_SM_FWRSP: 6211 memset(&dport->result, 0, 6212 sizeof(struct bfa_diag_dport_result_s)); 6213 if (dport->i2hmsg.rsp.status == BFA_STATUS_DPORT_INV_SFP) { 6214 dport->test_state = BFA_DPORT_ST_NO_SFP; 6215 } else { 6216 dport->test_state = BFA_DPORT_ST_INP; 6217 bfa_dport_result_start(dport, BFA_DPORT_OPMODE_AUTO); 6218 } 6219 bfa_sm_set_state(dport, bfa_dport_sm_enabled); 6220 break; 6221 6222 case BFA_DPORT_SM_REQFAIL: 6223 dport->test_state = BFA_DPORT_ST_DISABLED; 6224 bfa_fcport_dportdisable(dport->bfa); 6225 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6226 break; 6227 6228 case BFA_DPORT_SM_HWFAIL: 6229 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6230 bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED); 6231 break; 6232 6233 default: 6234 bfa_sm_fault(dport->bfa, event); 6235 } 6236 } 6237 6238 static void 6239 bfa_dport_sm_enabled(struct bfa_dport_s *dport, enum bfa_dport_sm_event event) 6240 { 6241 bfa_trc(dport->bfa, event); 6242 6243 switch (event) { 6244 case BFA_DPORT_SM_START: 6245 if (bfa_dport_send_req(dport, BFI_DPORT_START)) 6246 bfa_sm_set_state(dport, bfa_dport_sm_starting); 6247 else 6248 bfa_sm_set_state(dport, bfa_dport_sm_starting_qwait); 6249 break; 6250 6251 case BFA_DPORT_SM_DISABLE: 6252 bfa_fcport_dportdisable(dport->bfa); 6253 if (bfa_dport_send_req(dport, BFI_DPORT_DISABLE)) 6254 bfa_sm_set_state(dport, bfa_dport_sm_disabling); 6255 else 6256 bfa_sm_set_state(dport, bfa_dport_sm_disabling_qwait); 6257 break; 6258 6259 case BFA_DPORT_SM_HWFAIL: 6260 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6261 break; 6262 6263 case BFA_DPORT_SM_SCN: 6264 switch (dport->i2hmsg.scn.state) { 6265 case BFI_DPORT_SCN_TESTCOMP: 6266 dport->test_state = BFA_DPORT_ST_COMP; 6267 break; 6268 6269 case BFI_DPORT_SCN_TESTSTART: 6270 dport->test_state = BFA_DPORT_ST_INP; 6271 break; 6272 6273 case BFI_DPORT_SCN_TESTSKIP: 6274 case BFI_DPORT_SCN_SUBTESTSTART: 6275 /* no state change */ 6276 break; 6277 6278 case BFI_DPORT_SCN_SFP_REMOVED: 6279 dport->test_state = BFA_DPORT_ST_NO_SFP; 6280 break; 6281 6282 case BFI_DPORT_SCN_DDPORT_DISABLE: 6283 bfa_fcport_ddportdisable(dport->bfa); 6284 6285 if (bfa_dport_send_req(dport, BFI_DPORT_DYN_DISABLE)) 6286 bfa_sm_set_state(dport, 6287 bfa_dport_sm_dynamic_disabling); 6288 else 6289 bfa_sm_set_state(dport, 6290 bfa_dport_sm_dynamic_disabling_qwait); 6291 break; 6292 6293 case BFI_DPORT_SCN_FCPORT_DISABLE: 6294 bfa_fcport_ddportdisable(dport->bfa); 6295 6296 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6297 dport->dynamic = BFA_FALSE; 6298 break; 6299 6300 default: 6301 bfa_trc(dport->bfa, dport->i2hmsg.scn.state); 6302 bfa_sm_fault(dport->bfa, event); 6303 } 6304 break; 6305 default: 6306 bfa_sm_fault(dport->bfa, event); 6307 } 6308 } 6309 6310 static void 6311 bfa_dport_sm_disabling_qwait(struct bfa_dport_s *dport, 6312 enum bfa_dport_sm_event event) 6313 { 6314 bfa_trc(dport->bfa, event); 6315 6316 switch (event) { 6317 case BFA_DPORT_SM_QRESUME: 6318 bfa_sm_set_state(dport, bfa_dport_sm_disabling); 6319 bfa_dport_send_req(dport, BFI_DPORT_DISABLE); 6320 break; 6321 6322 case BFA_DPORT_SM_HWFAIL: 6323 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6324 bfa_reqq_wcancel(&dport->reqq_wait); 6325 bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK); 6326 break; 6327 6328 case BFA_DPORT_SM_SCN: 6329 /* ignore */ 6330 break; 6331 6332 default: 6333 bfa_sm_fault(dport->bfa, event); 6334 } 6335 } 6336 6337 static void 6338 bfa_dport_sm_disabling(struct bfa_dport_s *dport, enum bfa_dport_sm_event event) 6339 { 6340 bfa_trc(dport->bfa, event); 6341 6342 switch (event) { 6343 case BFA_DPORT_SM_FWRSP: 6344 dport->test_state = BFA_DPORT_ST_DISABLED; 6345 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6346 break; 6347 6348 case BFA_DPORT_SM_HWFAIL: 6349 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6350 bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK); 6351 break; 6352 6353 case BFA_DPORT_SM_SCN: 6354 /* no state change */ 6355 break; 6356 6357 default: 6358 bfa_sm_fault(dport->bfa, event); 6359 } 6360 } 6361 6362 static void 6363 bfa_dport_sm_starting_qwait(struct bfa_dport_s *dport, 6364 enum bfa_dport_sm_event event) 6365 { 6366 bfa_trc(dport->bfa, event); 6367 6368 switch (event) { 6369 case BFA_DPORT_SM_QRESUME: 6370 bfa_sm_set_state(dport, bfa_dport_sm_starting); 6371 bfa_dport_send_req(dport, BFI_DPORT_START); 6372 break; 6373 6374 case BFA_DPORT_SM_HWFAIL: 6375 bfa_reqq_wcancel(&dport->reqq_wait); 6376 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6377 bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED); 6378 break; 6379 6380 default: 6381 bfa_sm_fault(dport->bfa, event); 6382 } 6383 } 6384 6385 static void 6386 bfa_dport_sm_starting(struct bfa_dport_s *dport, enum bfa_dport_sm_event event) 6387 { 6388 bfa_trc(dport->bfa, event); 6389 6390 switch (event) { 6391 case BFA_DPORT_SM_FWRSP: 6392 memset(&dport->result, 0, 6393 sizeof(struct bfa_diag_dport_result_s)); 6394 if (dport->i2hmsg.rsp.status == BFA_STATUS_DPORT_INV_SFP) { 6395 dport->test_state = BFA_DPORT_ST_NO_SFP; 6396 } else { 6397 dport->test_state = BFA_DPORT_ST_INP; 6398 bfa_dport_result_start(dport, BFA_DPORT_OPMODE_MANU); 6399 } 6400 /* fall thru */ 6401 6402 case BFA_DPORT_SM_REQFAIL: 6403 bfa_sm_set_state(dport, bfa_dport_sm_enabled); 6404 break; 6405 6406 case BFA_DPORT_SM_HWFAIL: 6407 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6408 bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED); 6409 break; 6410 6411 default: 6412 bfa_sm_fault(dport->bfa, event); 6413 } 6414 } 6415 6416 static void 6417 bfa_dport_sm_dynamic_disabling(struct bfa_dport_s *dport, 6418 enum bfa_dport_sm_event event) 6419 { 6420 bfa_trc(dport->bfa, event); 6421 6422 switch (event) { 6423 case BFA_DPORT_SM_SCN: 6424 switch (dport->i2hmsg.scn.state) { 6425 case BFI_DPORT_SCN_DDPORT_DISABLED: 6426 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6427 dport->dynamic = BFA_FALSE; 6428 bfa_fcport_enable(dport->bfa); 6429 break; 6430 6431 default: 6432 bfa_trc(dport->bfa, dport->i2hmsg.scn.state); 6433 bfa_sm_fault(dport->bfa, event); 6434 6435 } 6436 break; 6437 6438 case BFA_DPORT_SM_HWFAIL: 6439 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6440 bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK); 6441 break; 6442 6443 default: 6444 bfa_sm_fault(dport->bfa, event); 6445 } 6446 } 6447 6448 static void 6449 bfa_dport_sm_dynamic_disabling_qwait(struct bfa_dport_s *dport, 6450 enum bfa_dport_sm_event event) 6451 { 6452 bfa_trc(dport->bfa, event); 6453 6454 switch (event) { 6455 case BFA_DPORT_SM_QRESUME: 6456 bfa_sm_set_state(dport, bfa_dport_sm_dynamic_disabling); 6457 bfa_dport_send_req(dport, BFI_DPORT_DYN_DISABLE); 6458 break; 6459 6460 case BFA_DPORT_SM_HWFAIL: 6461 bfa_sm_set_state(dport, bfa_dport_sm_disabled); 6462 bfa_reqq_wcancel(&dport->reqq_wait); 6463 bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK); 6464 break; 6465 6466 case BFA_DPORT_SM_SCN: 6467 /* ignore */ 6468 break; 6469 6470 default: 6471 bfa_sm_fault(dport->bfa, event); 6472 } 6473 } 6474 6475 static bfa_boolean_t 6476 bfa_dport_send_req(struct bfa_dport_s *dport, enum bfi_dport_req req) 6477 { 6478 struct bfi_diag_dport_req_s *m; 6479 6480 /* 6481 * check for room in queue to send request now 6482 */ 6483 m = bfa_reqq_next(dport->bfa, BFA_REQQ_DIAG); 6484 if (!m) { 6485 bfa_reqq_wait(dport->bfa, BFA_REQQ_PORT, &dport->reqq_wait); 6486 return BFA_FALSE; 6487 } 6488 6489 bfi_h2i_set(m->mh, BFI_MC_DIAG, BFI_DIAG_H2I_DPORT, 6490 bfa_fn_lpu(dport->bfa)); 6491 m->req = req; 6492 if ((req == BFI_DPORT_ENABLE) || (req == BFI_DPORT_START)) { 6493 m->lpcnt = cpu_to_be32(dport->lpcnt); 6494 m->payload = cpu_to_be32(dport->payload); 6495 } 6496 6497 /* 6498 * queue I/O message to firmware 6499 */ 6500 bfa_reqq_produce(dport->bfa, BFA_REQQ_DIAG, m->mh); 6501 6502 return BFA_TRUE; 6503 } 6504 6505 static void 6506 bfa_dport_qresume(void *cbarg) 6507 { 6508 struct bfa_dport_s *dport = cbarg; 6509 6510 bfa_sm_send_event(dport, BFA_DPORT_SM_QRESUME); 6511 } 6512 6513 static void 6514 bfa_dport_req_comp(struct bfa_dport_s *dport, struct bfi_diag_dport_rsp_s *msg) 6515 { 6516 msg->status = cpu_to_be32(msg->status); 6517 dport->i2hmsg.rsp.status = msg->status; 6518 dport->rp_pwwn = msg->pwwn; 6519 dport->rp_nwwn = msg->nwwn; 6520 6521 if ((msg->status == BFA_STATUS_OK) || 6522 (msg->status == BFA_STATUS_DPORT_NO_SFP)) { 6523 bfa_trc(dport->bfa, msg->status); 6524 bfa_trc(dport->bfa, dport->rp_pwwn); 6525 bfa_trc(dport->bfa, dport->rp_nwwn); 6526 bfa_sm_send_event(dport, BFA_DPORT_SM_FWRSP); 6527 6528 } else { 6529 bfa_trc(dport->bfa, msg->status); 6530 bfa_sm_send_event(dport, BFA_DPORT_SM_REQFAIL); 6531 } 6532 bfa_cb_fcdiag_dport(dport, msg->status); 6533 } 6534 6535 static bfa_boolean_t 6536 bfa_dport_is_sending_req(struct bfa_dport_s *dport) 6537 { 6538 if (bfa_sm_cmp_state(dport, bfa_dport_sm_enabling) || 6539 bfa_sm_cmp_state(dport, bfa_dport_sm_enabling_qwait) || 6540 bfa_sm_cmp_state(dport, bfa_dport_sm_disabling) || 6541 bfa_sm_cmp_state(dport, bfa_dport_sm_disabling_qwait) || 6542 bfa_sm_cmp_state(dport, bfa_dport_sm_starting) || 6543 bfa_sm_cmp_state(dport, bfa_dport_sm_starting_qwait)) { 6544 return BFA_TRUE; 6545 } else { 6546 return BFA_FALSE; 6547 } 6548 } 6549 6550 static void 6551 bfa_dport_scn(struct bfa_dport_s *dport, struct bfi_diag_dport_scn_s *msg) 6552 { 6553 int i; 6554 uint8_t subtesttype; 6555 6556 bfa_trc(dport->bfa, msg->state); 6557 dport->i2hmsg.scn.state = msg->state; 6558 6559 switch (dport->i2hmsg.scn.state) { 6560 case BFI_DPORT_SCN_TESTCOMP: 6561 dport->result.end_time = ktime_get_real_seconds(); 6562 bfa_trc(dport->bfa, dport->result.end_time); 6563 6564 dport->result.status = msg->info.testcomp.status; 6565 bfa_trc(dport->bfa, dport->result.status); 6566 6567 dport->result.roundtrip_latency = 6568 cpu_to_be32(msg->info.testcomp.latency); 6569 dport->result.est_cable_distance = 6570 cpu_to_be32(msg->info.testcomp.distance); 6571 dport->result.buffer_required = 6572 be16_to_cpu(msg->info.testcomp.numbuffer); 6573 6574 dport->result.frmsz = be16_to_cpu(msg->info.testcomp.frm_sz); 6575 dport->result.speed = msg->info.testcomp.speed; 6576 6577 bfa_trc(dport->bfa, dport->result.roundtrip_latency); 6578 bfa_trc(dport->bfa, dport->result.est_cable_distance); 6579 bfa_trc(dport->bfa, dport->result.buffer_required); 6580 bfa_trc(dport->bfa, dport->result.frmsz); 6581 bfa_trc(dport->bfa, dport->result.speed); 6582 6583 for (i = DPORT_TEST_ELOOP; i < DPORT_TEST_MAX; i++) { 6584 dport->result.subtest[i].status = 6585 msg->info.testcomp.subtest_status[i]; 6586 bfa_trc(dport->bfa, dport->result.subtest[i].status); 6587 } 6588 break; 6589 6590 case BFI_DPORT_SCN_TESTSKIP: 6591 case BFI_DPORT_SCN_DDPORT_ENABLE: 6592 memset(&dport->result, 0, 6593 sizeof(struct bfa_diag_dport_result_s)); 6594 break; 6595 6596 case BFI_DPORT_SCN_TESTSTART: 6597 memset(&dport->result, 0, 6598 sizeof(struct bfa_diag_dport_result_s)); 6599 dport->rp_pwwn = msg->info.teststart.pwwn; 6600 dport->rp_nwwn = msg->info.teststart.nwwn; 6601 dport->lpcnt = cpu_to_be32(msg->info.teststart.numfrm); 6602 bfa_dport_result_start(dport, msg->info.teststart.mode); 6603 break; 6604 6605 case BFI_DPORT_SCN_SUBTESTSTART: 6606 subtesttype = msg->info.teststart.type; 6607 dport->result.subtest[subtesttype].start_time = 6608 ktime_get_real_seconds(); 6609 dport->result.subtest[subtesttype].status = 6610 DPORT_TEST_ST_INPRG; 6611 6612 bfa_trc(dport->bfa, subtesttype); 6613 bfa_trc(dport->bfa, 6614 dport->result.subtest[subtesttype].start_time); 6615 break; 6616 6617 case BFI_DPORT_SCN_SFP_REMOVED: 6618 case BFI_DPORT_SCN_DDPORT_DISABLED: 6619 case BFI_DPORT_SCN_DDPORT_DISABLE: 6620 case BFI_DPORT_SCN_FCPORT_DISABLE: 6621 dport->result.status = DPORT_TEST_ST_IDLE; 6622 break; 6623 6624 default: 6625 bfa_sm_fault(dport->bfa, msg->state); 6626 } 6627 6628 bfa_sm_send_event(dport, BFA_DPORT_SM_SCN); 6629 } 6630 6631 /* 6632 * Dport enable 6633 * 6634 * @param[in] *bfa - bfa data struct 6635 */ 6636 bfa_status_t 6637 bfa_dport_enable(struct bfa_s *bfa, u32 lpcnt, u32 pat, 6638 bfa_cb_diag_t cbfn, void *cbarg) 6639 { 6640 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa); 6641 struct bfa_dport_s *dport = &fcdiag->dport; 6642 6643 /* 6644 * Dport is not support in MEZZ card 6645 */ 6646 if (bfa_mfg_is_mezz(dport->bfa->ioc.attr->card_type)) { 6647 bfa_trc(dport->bfa, BFA_STATUS_PBC); 6648 return BFA_STATUS_CMD_NOTSUPP_MEZZ; 6649 } 6650 6651 /* 6652 * Dport is supported in CT2 or above 6653 */ 6654 if (!(bfa_asic_id_ct2(dport->bfa->ioc.pcidev.device_id))) { 6655 bfa_trc(dport->bfa, dport->bfa->ioc.pcidev.device_id); 6656 return BFA_STATUS_FEATURE_NOT_SUPPORTED; 6657 } 6658 6659 /* 6660 * Check to see if IOC is down 6661 */ 6662 if (!bfa_iocfc_is_operational(bfa)) 6663 return BFA_STATUS_IOC_NON_OP; 6664 6665 /* if port is PBC disabled, return error */ 6666 if (bfa_fcport_is_pbcdisabled(bfa)) { 6667 bfa_trc(dport->bfa, BFA_STATUS_PBC); 6668 return BFA_STATUS_PBC; 6669 } 6670 6671 /* 6672 * Check if port mode is FC port 6673 */ 6674 if (bfa_ioc_get_type(&bfa->ioc) != BFA_IOC_TYPE_FC) { 6675 bfa_trc(dport->bfa, bfa_ioc_get_type(&bfa->ioc)); 6676 return BFA_STATUS_CMD_NOTSUPP_CNA; 6677 } 6678 6679 /* 6680 * Check if port is in LOOP mode 6681 */ 6682 if ((bfa_fcport_get_cfg_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) || 6683 (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP)) { 6684 bfa_trc(dport->bfa, 0); 6685 return BFA_STATUS_TOPOLOGY_LOOP; 6686 } 6687 6688 /* 6689 * Check if port is TRUNK mode 6690 */ 6691 if (bfa_fcport_is_trunk_enabled(bfa)) { 6692 bfa_trc(dport->bfa, 0); 6693 return BFA_STATUS_ERROR_TRUNK_ENABLED; 6694 } 6695 6696 /* 6697 * Check if diag loopback is running 6698 */ 6699 if (bfa_fcdiag_lb_is_running(bfa)) { 6700 bfa_trc(dport->bfa, 0); 6701 return BFA_STATUS_DIAG_BUSY; 6702 } 6703 6704 /* 6705 * Check to see if port is disable or in dport state 6706 */ 6707 if ((bfa_fcport_is_disabled(bfa) == BFA_FALSE) && 6708 (bfa_fcport_is_dport(bfa) == BFA_FALSE)) { 6709 bfa_trc(dport->bfa, 0); 6710 return BFA_STATUS_PORT_NOT_DISABLED; 6711 } 6712 6713 /* 6714 * Check if dport is in dynamic mode 6715 */ 6716 if (dport->dynamic) 6717 return BFA_STATUS_DDPORT_ERR; 6718 6719 /* 6720 * Check if dport is busy 6721 */ 6722 if (bfa_dport_is_sending_req(dport)) 6723 return BFA_STATUS_DEVBUSY; 6724 6725 /* 6726 * Check if dport is already enabled 6727 */ 6728 if (bfa_sm_cmp_state(dport, bfa_dport_sm_enabled)) { 6729 bfa_trc(dport->bfa, 0); 6730 return BFA_STATUS_DPORT_ENABLED; 6731 } 6732 6733 bfa_trc(dport->bfa, lpcnt); 6734 bfa_trc(dport->bfa, pat); 6735 dport->lpcnt = (lpcnt) ? lpcnt : DPORT_ENABLE_LOOPCNT_DEFAULT; 6736 dport->payload = (pat) ? pat : LB_PATTERN_DEFAULT; 6737 dport->cbfn = cbfn; 6738 dport->cbarg = cbarg; 6739 6740 bfa_sm_send_event(dport, BFA_DPORT_SM_ENABLE); 6741 return BFA_STATUS_OK; 6742 } 6743 6744 /* 6745 * Dport disable 6746 * 6747 * @param[in] *bfa - bfa data struct 6748 */ 6749 bfa_status_t 6750 bfa_dport_disable(struct bfa_s *bfa, bfa_cb_diag_t cbfn, void *cbarg) 6751 { 6752 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa); 6753 struct bfa_dport_s *dport = &fcdiag->dport; 6754 6755 if (bfa_ioc_is_disabled(&bfa->ioc)) 6756 return BFA_STATUS_IOC_DISABLED; 6757 6758 /* if port is PBC disabled, return error */ 6759 if (bfa_fcport_is_pbcdisabled(bfa)) { 6760 bfa_trc(dport->bfa, BFA_STATUS_PBC); 6761 return BFA_STATUS_PBC; 6762 } 6763 6764 /* 6765 * Check if dport is in dynamic mode 6766 */ 6767 if (dport->dynamic) { 6768 return BFA_STATUS_DDPORT_ERR; 6769 } 6770 6771 /* 6772 * Check to see if port is disable or in dport state 6773 */ 6774 if ((bfa_fcport_is_disabled(bfa) == BFA_FALSE) && 6775 (bfa_fcport_is_dport(bfa) == BFA_FALSE)) { 6776 bfa_trc(dport->bfa, 0); 6777 return BFA_STATUS_PORT_NOT_DISABLED; 6778 } 6779 6780 /* 6781 * Check if dport is busy 6782 */ 6783 if (bfa_dport_is_sending_req(dport)) 6784 return BFA_STATUS_DEVBUSY; 6785 6786 /* 6787 * Check if dport is already disabled 6788 */ 6789 if (bfa_sm_cmp_state(dport, bfa_dport_sm_disabled)) { 6790 bfa_trc(dport->bfa, 0); 6791 return BFA_STATUS_DPORT_DISABLED; 6792 } 6793 6794 dport->cbfn = cbfn; 6795 dport->cbarg = cbarg; 6796 6797 bfa_sm_send_event(dport, BFA_DPORT_SM_DISABLE); 6798 return BFA_STATUS_OK; 6799 } 6800 6801 /* 6802 * Dport start -- restart dport test 6803 * 6804 * @param[in] *bfa - bfa data struct 6805 */ 6806 bfa_status_t 6807 bfa_dport_start(struct bfa_s *bfa, u32 lpcnt, u32 pat, 6808 bfa_cb_diag_t cbfn, void *cbarg) 6809 { 6810 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa); 6811 struct bfa_dport_s *dport = &fcdiag->dport; 6812 6813 /* 6814 * Check to see if IOC is down 6815 */ 6816 if (!bfa_iocfc_is_operational(bfa)) 6817 return BFA_STATUS_IOC_NON_OP; 6818 6819 /* 6820 * Check if dport is in dynamic mode 6821 */ 6822 if (dport->dynamic) 6823 return BFA_STATUS_DDPORT_ERR; 6824 6825 /* 6826 * Check if dport is busy 6827 */ 6828 if (bfa_dport_is_sending_req(dport)) 6829 return BFA_STATUS_DEVBUSY; 6830 6831 /* 6832 * Check if dport is in enabled state. 6833 * Test can only be restart when previous test has completed 6834 */ 6835 if (!bfa_sm_cmp_state(dport, bfa_dport_sm_enabled)) { 6836 bfa_trc(dport->bfa, 0); 6837 return BFA_STATUS_DPORT_DISABLED; 6838 6839 } else { 6840 if (dport->test_state == BFA_DPORT_ST_NO_SFP) 6841 return BFA_STATUS_DPORT_INV_SFP; 6842 6843 if (dport->test_state == BFA_DPORT_ST_INP) 6844 return BFA_STATUS_DEVBUSY; 6845 6846 WARN_ON(dport->test_state != BFA_DPORT_ST_COMP); 6847 } 6848 6849 bfa_trc(dport->bfa, lpcnt); 6850 bfa_trc(dport->bfa, pat); 6851 6852 dport->lpcnt = (lpcnt) ? lpcnt : DPORT_ENABLE_LOOPCNT_DEFAULT; 6853 dport->payload = (pat) ? pat : LB_PATTERN_DEFAULT; 6854 6855 dport->cbfn = cbfn; 6856 dport->cbarg = cbarg; 6857 6858 bfa_sm_send_event(dport, BFA_DPORT_SM_START); 6859 return BFA_STATUS_OK; 6860 } 6861 6862 /* 6863 * Dport show -- return dport test result 6864 * 6865 * @param[in] *bfa - bfa data struct 6866 */ 6867 bfa_status_t 6868 bfa_dport_show(struct bfa_s *bfa, struct bfa_diag_dport_result_s *result) 6869 { 6870 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa); 6871 struct bfa_dport_s *dport = &fcdiag->dport; 6872 6873 /* 6874 * Check to see if IOC is down 6875 */ 6876 if (!bfa_iocfc_is_operational(bfa)) 6877 return BFA_STATUS_IOC_NON_OP; 6878 6879 /* 6880 * Check if dport is busy 6881 */ 6882 if (bfa_dport_is_sending_req(dport)) 6883 return BFA_STATUS_DEVBUSY; 6884 6885 /* 6886 * Check if dport is in enabled state. 6887 */ 6888 if (!bfa_sm_cmp_state(dport, bfa_dport_sm_enabled)) { 6889 bfa_trc(dport->bfa, 0); 6890 return BFA_STATUS_DPORT_DISABLED; 6891 6892 } 6893 6894 /* 6895 * Check if there is SFP 6896 */ 6897 if (dport->test_state == BFA_DPORT_ST_NO_SFP) 6898 return BFA_STATUS_DPORT_INV_SFP; 6899 6900 memcpy(result, &dport->result, sizeof(struct bfa_diag_dport_result_s)); 6901 6902 return BFA_STATUS_OK; 6903 } 6904