1 /* 2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. 3 * All rights reserved 4 * www.brocade.com 5 * 6 * Linux driver for Brocade Fibre Channel Host Bus Adapter. 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License (GPL) Version 2 as 10 * published by the Free Software Foundation 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * General Public License for more details. 16 */ 17 18 #ifndef __BFI_MS_H__ 19 #define __BFI_MS_H__ 20 21 #include "bfi.h" 22 #include "bfa_fc.h" 23 #include "bfa_defs_svc.h" 24 25 #pragma pack(1) 26 27 enum bfi_iocfc_h2i_msgs { 28 BFI_IOCFC_H2I_CFG_REQ = 1, 29 BFI_IOCFC_H2I_SET_INTR_REQ = 2, 30 BFI_IOCFC_H2I_UPDATEQ_REQ = 3, 31 BFI_IOCFC_H2I_FAA_QUERY_REQ = 4, 32 BFI_IOCFC_H2I_ADDR_REQ = 5, 33 }; 34 35 enum bfi_iocfc_i2h_msgs { 36 BFI_IOCFC_I2H_CFG_REPLY = BFA_I2HM(1), 37 BFI_IOCFC_I2H_UPDATEQ_RSP = BFA_I2HM(3), 38 BFI_IOCFC_I2H_FAA_QUERY_RSP = BFA_I2HM(4), 39 BFI_IOCFC_I2H_ADDR_MSG = BFA_I2HM(5), 40 }; 41 42 struct bfi_iocfc_cfg_s { 43 u8 num_cqs; /* Number of CQs to be used */ 44 u8 sense_buf_len; /* SCSI sense length */ 45 u16 rsvd_1; 46 u32 endian_sig; /* endian signature of host */ 47 u8 rsvd_2; 48 u8 single_msix_vec; 49 u8 rsvd[2]; 50 __be16 num_ioim_reqs; 51 __be16 num_fwtio_reqs; 52 53 54 /* 55 * Request and response circular queue base addresses, size and 56 * shadow index pointers. 57 */ 58 union bfi_addr_u req_cq_ba[BFI_IOC_MAX_CQS]; 59 union bfi_addr_u req_shadow_ci[BFI_IOC_MAX_CQS]; 60 __be16 req_cq_elems[BFI_IOC_MAX_CQS]; 61 union bfi_addr_u rsp_cq_ba[BFI_IOC_MAX_CQS]; 62 union bfi_addr_u rsp_shadow_pi[BFI_IOC_MAX_CQS]; 63 __be16 rsp_cq_elems[BFI_IOC_MAX_CQS]; 64 65 union bfi_addr_u stats_addr; /* DMA-able address for stats */ 66 union bfi_addr_u cfgrsp_addr; /* config response dma address */ 67 union bfi_addr_u ioim_snsbase[BFI_IOIM_SNSBUF_SEGS]; 68 /* IO sense buf base addr segments */ 69 struct bfa_iocfc_intr_attr_s intr_attr; /* IOC interrupt attributes */ 70 }; 71 72 /* 73 * Boot target wwn information for this port. This contains either the stored 74 * or discovered boot target port wwns for the port. 75 */ 76 struct bfi_iocfc_bootwwns { 77 wwn_t wwn[BFA_BOOT_BOOTLUN_MAX]; 78 u8 nwwns; 79 u8 rsvd[7]; 80 }; 81 82 /** 83 * Queue configuration response from firmware 84 */ 85 struct bfi_iocfc_qreg_s { 86 u32 cpe_q_ci_off[BFI_IOC_MAX_CQS]; 87 u32 cpe_q_pi_off[BFI_IOC_MAX_CQS]; 88 u32 cpe_qctl_off[BFI_IOC_MAX_CQS]; 89 u32 rme_q_ci_off[BFI_IOC_MAX_CQS]; 90 u32 rme_q_pi_off[BFI_IOC_MAX_CQS]; 91 u32 rme_qctl_off[BFI_IOC_MAX_CQS]; 92 u8 hw_qid[BFI_IOC_MAX_CQS]; 93 }; 94 95 struct bfi_iocfc_cfgrsp_s { 96 struct bfa_iocfc_fwcfg_s fwcfg; 97 struct bfa_iocfc_intr_attr_s intr_attr; 98 struct bfi_iocfc_bootwwns bootwwns; 99 struct bfi_pbc_s pbc_cfg; 100 struct bfi_iocfc_qreg_s qreg; 101 }; 102 103 /* 104 * BFI_IOCFC_H2I_CFG_REQ message 105 */ 106 struct bfi_iocfc_cfg_req_s { 107 struct bfi_mhdr_s mh; 108 union bfi_addr_u ioc_cfg_dma_addr; 109 }; 110 111 112 /* 113 * BFI_IOCFC_I2H_CFG_REPLY message 114 */ 115 struct bfi_iocfc_cfg_reply_s { 116 struct bfi_mhdr_s mh; /* Common msg header */ 117 u8 cfg_success; /* cfg reply status */ 118 u8 lpu_bm; /* LPUs assigned for this IOC */ 119 u8 rsvd[2]; 120 }; 121 122 123 /* 124 * BFI_IOCFC_H2I_SET_INTR_REQ message 125 */ 126 struct bfi_iocfc_set_intr_req_s { 127 struct bfi_mhdr_s mh; /* common msg header */ 128 u8 coalesce; /* enable intr coalescing */ 129 u8 rsvd[3]; 130 __be16 delay; /* delay timer 0..1125us */ 131 __be16 latency; /* latency timer 0..225us */ 132 }; 133 134 135 /* 136 * BFI_IOCFC_H2I_UPDATEQ_REQ message 137 */ 138 struct bfi_iocfc_updateq_req_s { 139 struct bfi_mhdr_s mh; /* common msg header */ 140 u32 reqq_ba; /* reqq base addr */ 141 u32 rspq_ba; /* rspq base addr */ 142 u32 reqq_sci; /* reqq shadow ci */ 143 u32 rspq_spi; /* rspq shadow pi */ 144 }; 145 146 147 /* 148 * BFI_IOCFC_I2H_UPDATEQ_RSP message 149 */ 150 struct bfi_iocfc_updateq_rsp_s { 151 struct bfi_mhdr_s mh; /* common msg header */ 152 u8 status; /* updateq status */ 153 u8 rsvd[3]; 154 }; 155 156 157 /* 158 * H2I Messages 159 */ 160 union bfi_iocfc_h2i_msg_u { 161 struct bfi_mhdr_s mh; 162 struct bfi_iocfc_cfg_req_s cfg_req; 163 struct bfi_iocfc_updateq_req_s updateq_req; 164 u32 mboxmsg[BFI_IOC_MSGSZ]; 165 }; 166 167 168 /* 169 * I2H Messages 170 */ 171 union bfi_iocfc_i2h_msg_u { 172 struct bfi_mhdr_s mh; 173 struct bfi_iocfc_cfg_reply_s cfg_reply; 174 struct bfi_iocfc_updateq_rsp_s updateq_rsp; 175 u32 mboxmsg[BFI_IOC_MSGSZ]; 176 }; 177 178 /* 179 * BFI_IOCFC_H2I_FAA_ENABLE_REQ BFI_IOCFC_H2I_FAA_DISABLE_REQ message 180 */ 181 struct bfi_faa_en_dis_s { 182 struct bfi_mhdr_s mh; /* common msg header */ 183 }; 184 185 struct bfi_faa_addr_msg_s { 186 struct bfi_mhdr_s mh; /* common msg header */ 187 u8 rsvd[4]; 188 wwn_t pwwn; /* Fabric acquired PWWN */ 189 wwn_t nwwn; /* Fabric acquired PWWN */ 190 }; 191 192 /* 193 * BFI_IOCFC_H2I_FAA_QUERY_REQ message 194 */ 195 struct bfi_faa_query_s { 196 struct bfi_mhdr_s mh; /* common msg header */ 197 u8 faa_status; /* FAA status */ 198 u8 addr_source; /* PWWN source */ 199 u8 rsvd[2]; 200 wwn_t faa; /* Fabric acquired PWWN */ 201 }; 202 203 /* 204 * BFI_IOCFC_I2H_FAA_ENABLE_RSP, BFI_IOCFC_I2H_FAA_DISABLE_RSP message 205 */ 206 struct bfi_faa_en_dis_rsp_s { 207 struct bfi_mhdr_s mh; /* common msg header */ 208 u8 status; /* updateq status */ 209 u8 rsvd[3]; 210 }; 211 212 /* 213 * BFI_IOCFC_I2H_FAA_QUERY_RSP message 214 */ 215 #define bfi_faa_query_rsp_t struct bfi_faa_query_s 216 217 enum bfi_fcport_h2i { 218 BFI_FCPORT_H2I_ENABLE_REQ = (1), 219 BFI_FCPORT_H2I_DISABLE_REQ = (2), 220 BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ = (3), 221 BFI_FCPORT_H2I_STATS_GET_REQ = (4), 222 BFI_FCPORT_H2I_STATS_CLEAR_REQ = (5), 223 }; 224 225 226 enum bfi_fcport_i2h { 227 BFI_FCPORT_I2H_ENABLE_RSP = BFA_I2HM(1), 228 BFI_FCPORT_I2H_DISABLE_RSP = BFA_I2HM(2), 229 BFI_FCPORT_I2H_SET_SVC_PARAMS_RSP = BFA_I2HM(3), 230 BFI_FCPORT_I2H_STATS_GET_RSP = BFA_I2HM(4), 231 BFI_FCPORT_I2H_STATS_CLEAR_RSP = BFA_I2HM(5), 232 BFI_FCPORT_I2H_EVENT = BFA_I2HM(6), 233 BFI_FCPORT_I2H_TRUNK_SCN = BFA_I2HM(7), 234 BFI_FCPORT_I2H_ENABLE_AEN = BFA_I2HM(8), 235 BFI_FCPORT_I2H_DISABLE_AEN = BFA_I2HM(9), 236 }; 237 238 239 /* 240 * Generic REQ type 241 */ 242 struct bfi_fcport_req_s { 243 struct bfi_mhdr_s mh; /* msg header */ 244 u32 msgtag; /* msgtag for reply */ 245 }; 246 247 /* 248 * Generic RSP type 249 */ 250 struct bfi_fcport_rsp_s { 251 struct bfi_mhdr_s mh; /* common msg header */ 252 u8 status; /* port enable status */ 253 u8 rsvd[3]; 254 struct bfa_port_cfg_s port_cfg;/* port configuration */ 255 u32 msgtag; /* msgtag for reply */ 256 }; 257 258 /* 259 * BFI_FCPORT_H2I_ENABLE_REQ 260 */ 261 struct bfi_fcport_enable_req_s { 262 struct bfi_mhdr_s mh; /* msg header */ 263 u32 rsvd1; 264 wwn_t nwwn; /* node wwn of physical port */ 265 wwn_t pwwn; /* port wwn of physical port */ 266 struct bfa_port_cfg_s port_cfg; /* port configuration */ 267 union bfi_addr_u stats_dma_addr; /* DMA address for stats */ 268 u32 msgtag; /* msgtag for reply */ 269 u8 use_flash_cfg; /* get prot cfg from flash */ 270 u8 rsvd2[3]; 271 }; 272 273 /* 274 * BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ 275 */ 276 struct bfi_fcport_set_svc_params_req_s { 277 struct bfi_mhdr_s mh; /* msg header */ 278 __be16 tx_bbcredit; /* Tx credits */ 279 u8 bb_scn; /* BB_SC FC credit recovery */ 280 u8 rsvd; 281 }; 282 283 /* 284 * BFI_FCPORT_I2H_EVENT 285 */ 286 struct bfi_fcport_event_s { 287 struct bfi_mhdr_s mh; /* common msg header */ 288 struct bfa_port_link_s link_state; 289 }; 290 291 /* 292 * BFI_FCPORT_I2H_TRUNK_SCN 293 */ 294 struct bfi_fcport_trunk_link_s { 295 wwn_t trunk_wwn; 296 u8 fctl; /* bfa_trunk_link_fctl_t */ 297 u8 state; /* bfa_trunk_link_state_t */ 298 u8 speed; /* bfa_port_speed_t */ 299 u8 rsvd; 300 __be32 deskew; 301 }; 302 303 #define BFI_FCPORT_MAX_LINKS 2 304 struct bfi_fcport_trunk_scn_s { 305 struct bfi_mhdr_s mh; 306 u8 trunk_state; /* bfa_trunk_state_t */ 307 u8 trunk_speed; /* bfa_port_speed_t */ 308 u8 rsvd_a[2]; 309 struct bfi_fcport_trunk_link_s tlink[BFI_FCPORT_MAX_LINKS]; 310 }; 311 312 /* 313 * fcport H2I message 314 */ 315 union bfi_fcport_h2i_msg_u { 316 struct bfi_mhdr_s *mhdr; 317 struct bfi_fcport_enable_req_s *penable; 318 struct bfi_fcport_req_s *pdisable; 319 struct bfi_fcport_set_svc_params_req_s *psetsvcparams; 320 struct bfi_fcport_req_s *pstatsget; 321 struct bfi_fcport_req_s *pstatsclear; 322 }; 323 324 /* 325 * fcport I2H message 326 */ 327 union bfi_fcport_i2h_msg_u { 328 struct bfi_msg_s *msg; 329 struct bfi_fcport_rsp_s *penable_rsp; 330 struct bfi_fcport_rsp_s *pdisable_rsp; 331 struct bfi_fcport_rsp_s *psetsvcparams_rsp; 332 struct bfi_fcport_rsp_s *pstatsget_rsp; 333 struct bfi_fcport_rsp_s *pstatsclear_rsp; 334 struct bfi_fcport_event_s *event; 335 struct bfi_fcport_trunk_scn_s *trunk_scn; 336 }; 337 338 enum bfi_fcxp_h2i { 339 BFI_FCXP_H2I_SEND_REQ = 1, 340 }; 341 342 enum bfi_fcxp_i2h { 343 BFI_FCXP_I2H_SEND_RSP = BFA_I2HM(1), 344 }; 345 346 #define BFA_FCXP_MAX_SGES 2 347 348 /* 349 * FCXP send request structure 350 */ 351 struct bfi_fcxp_send_req_s { 352 struct bfi_mhdr_s mh; /* Common msg header */ 353 __be16 fcxp_tag; /* driver request tag */ 354 __be16 max_frmsz; /* max send frame size */ 355 __be16 vf_id; /* vsan tag if applicable */ 356 u16 rport_fw_hndl; /* FW Handle for the remote port */ 357 u8 class; /* FC class used for req/rsp */ 358 u8 rsp_timeout; /* timeout in secs, 0-no response */ 359 u8 cts; /* continue sequence */ 360 u8 lp_fwtag; /* lport tag */ 361 struct fchs_s fchs; /* request FC header structure */ 362 __be32 req_len; /* request payload length */ 363 __be32 rsp_maxlen; /* max response length expected */ 364 struct bfi_alen_s req_alen; /* request buffer */ 365 struct bfi_alen_s rsp_alen; /* response buffer */ 366 }; 367 368 /* 369 * FCXP send response structure 370 */ 371 struct bfi_fcxp_send_rsp_s { 372 struct bfi_mhdr_s mh; /* Common msg header */ 373 __be16 fcxp_tag; /* send request tag */ 374 u8 req_status; /* request status */ 375 u8 rsvd; 376 __be32 rsp_len; /* actual response length */ 377 __be32 residue_len; /* residual response length */ 378 struct fchs_s fchs; /* response FC header structure */ 379 }; 380 381 enum bfi_uf_h2i { 382 BFI_UF_H2I_BUF_POST = 1, 383 }; 384 385 enum bfi_uf_i2h { 386 BFI_UF_I2H_FRM_RCVD = BFA_I2HM(1), 387 }; 388 389 #define BFA_UF_MAX_SGES 2 390 391 struct bfi_uf_buf_post_s { 392 struct bfi_mhdr_s mh; /* Common msg header */ 393 u16 buf_tag; /* buffer tag */ 394 __be16 buf_len; /* total buffer length */ 395 struct bfi_alen_s alen; /* buffer address/len pair */ 396 }; 397 398 struct bfi_uf_frm_rcvd_s { 399 struct bfi_mhdr_s mh; /* Common msg header */ 400 u16 buf_tag; /* buffer tag */ 401 u16 rsvd; 402 u16 frm_len; /* received frame length */ 403 u16 xfr_len; /* tranferred length */ 404 }; 405 406 enum bfi_lps_h2i_msgs { 407 BFI_LPS_H2I_LOGIN_REQ = 1, 408 BFI_LPS_H2I_LOGOUT_REQ = 2, 409 BFI_LPS_H2I_N2N_PID_REQ = 3, 410 }; 411 412 enum bfi_lps_i2h_msgs { 413 BFI_LPS_I2H_LOGIN_RSP = BFA_I2HM(1), 414 BFI_LPS_I2H_LOGOUT_RSP = BFA_I2HM(2), 415 BFI_LPS_I2H_CVL_EVENT = BFA_I2HM(3), 416 }; 417 418 struct bfi_lps_login_req_s { 419 struct bfi_mhdr_s mh; /* common msg header */ 420 u8 bfa_tag; 421 u8 alpa; 422 __be16 pdu_size; 423 wwn_t pwwn; 424 wwn_t nwwn; 425 u8 fdisc; 426 u8 auth_en; 427 u8 lps_role; 428 u8 bb_scn; 429 u32 vvl_flag; 430 }; 431 432 struct bfi_lps_login_rsp_s { 433 struct bfi_mhdr_s mh; /* common msg header */ 434 u8 fw_tag; 435 u8 status; 436 u8 lsrjt_rsn; 437 u8 lsrjt_expl; 438 wwn_t port_name; 439 wwn_t node_name; 440 __be16 bb_credit; 441 u8 f_port; 442 u8 npiv_en; 443 u32 lp_pid:24; 444 u32 auth_req:8; 445 mac_t lp_mac; 446 mac_t fcf_mac; 447 u8 ext_status; 448 u8 brcd_switch; /* attached peer is brcd switch */ 449 u8 bb_scn; /* atatched port's bb_scn */ 450 u8 bfa_tag; 451 }; 452 453 struct bfi_lps_logout_req_s { 454 struct bfi_mhdr_s mh; /* common msg header */ 455 u8 fw_tag; 456 u8 rsvd[3]; 457 wwn_t port_name; 458 }; 459 460 struct bfi_lps_logout_rsp_s { 461 struct bfi_mhdr_s mh; /* common msg header */ 462 u8 bfa_tag; 463 u8 status; 464 u8 rsvd[2]; 465 }; 466 467 struct bfi_lps_cvl_event_s { 468 struct bfi_mhdr_s mh; /* common msg header */ 469 u8 bfa_tag; 470 u8 rsvd[3]; 471 }; 472 473 struct bfi_lps_n2n_pid_req_s { 474 struct bfi_mhdr_s mh; /* common msg header */ 475 u8 fw_tag; 476 u32 lp_pid:24; 477 }; 478 479 union bfi_lps_h2i_msg_u { 480 struct bfi_mhdr_s *msg; 481 struct bfi_lps_login_req_s *login_req; 482 struct bfi_lps_logout_req_s *logout_req; 483 struct bfi_lps_n2n_pid_req_s *n2n_pid_req; 484 }; 485 486 union bfi_lps_i2h_msg_u { 487 struct bfi_msg_s *msg; 488 struct bfi_lps_login_rsp_s *login_rsp; 489 struct bfi_lps_logout_rsp_s *logout_rsp; 490 struct bfi_lps_cvl_event_s *cvl_event; 491 }; 492 493 enum bfi_rport_h2i_msgs { 494 BFI_RPORT_H2I_CREATE_REQ = 1, 495 BFI_RPORT_H2I_DELETE_REQ = 2, 496 BFI_RPORT_H2I_SET_SPEED_REQ = 3, 497 }; 498 499 enum bfi_rport_i2h_msgs { 500 BFI_RPORT_I2H_CREATE_RSP = BFA_I2HM(1), 501 BFI_RPORT_I2H_DELETE_RSP = BFA_I2HM(2), 502 BFI_RPORT_I2H_QOS_SCN = BFA_I2HM(3), 503 BFI_RPORT_I2H_LIP_SCN_ONLINE = BFA_I2HM(4), 504 BFI_RPORT_I2H_LIP_SCN_OFFLINE = BFA_I2HM(5), 505 BFI_RPORT_I2H_NO_DEV = BFA_I2HM(6), 506 }; 507 508 struct bfi_rport_create_req_s { 509 struct bfi_mhdr_s mh; /* common msg header */ 510 u16 bfa_handle; /* host rport handle */ 511 __be16 max_frmsz; /* max rcv pdu size */ 512 u32 pid:24, /* remote port ID */ 513 lp_fwtag:8; /* local port tag */ 514 u32 local_pid:24, /* local port ID */ 515 cisc:8; 516 u8 fc_class; /* supported FC classes */ 517 u8 vf_en; /* virtual fabric enable */ 518 u16 vf_id; /* virtual fabric ID */ 519 }; 520 521 struct bfi_rport_create_rsp_s { 522 struct bfi_mhdr_s mh; /* common msg header */ 523 u8 status; /* rport creation status */ 524 u8 rsvd[3]; 525 u16 bfa_handle; /* host rport handle */ 526 u16 fw_handle; /* firmware rport handle */ 527 struct bfa_rport_qos_attr_s qos_attr; /* QoS Attributes */ 528 }; 529 530 struct bfa_rport_speed_req_s { 531 struct bfi_mhdr_s mh; /* common msg header */ 532 u16 fw_handle; /* firmware rport handle */ 533 u8 speed; /* rport's speed via RPSC */ 534 u8 rsvd; 535 }; 536 537 struct bfi_rport_delete_req_s { 538 struct bfi_mhdr_s mh; /* common msg header */ 539 u16 fw_handle; /* firmware rport handle */ 540 u16 rsvd; 541 }; 542 543 struct bfi_rport_delete_rsp_s { 544 struct bfi_mhdr_s mh; /* common msg header */ 545 u16 bfa_handle; /* host rport handle */ 546 u8 status; /* rport deletion status */ 547 u8 rsvd; 548 }; 549 550 struct bfi_rport_qos_scn_s { 551 struct bfi_mhdr_s mh; /* common msg header */ 552 u16 bfa_handle; /* host rport handle */ 553 u16 rsvd; 554 struct bfa_rport_qos_attr_s old_qos_attr; /* Old QoS Attributes */ 555 struct bfa_rport_qos_attr_s new_qos_attr; /* New QoS Attributes */ 556 }; 557 558 struct bfi_rport_lip_scn_s { 559 struct bfi_mhdr_s mh; /*!< common msg header */ 560 u16 bfa_handle; /*!< host rport handle */ 561 u8 status; /*!< scn online status */ 562 u8 rsvd; 563 struct bfa_fcport_loop_info_s loop_info; 564 }; 565 566 union bfi_rport_h2i_msg_u { 567 struct bfi_msg_s *msg; 568 struct bfi_rport_create_req_s *create_req; 569 struct bfi_rport_delete_req_s *delete_req; 570 struct bfi_rport_speed_req_s *speed_req; 571 }; 572 573 union bfi_rport_i2h_msg_u { 574 struct bfi_msg_s *msg; 575 struct bfi_rport_create_rsp_s *create_rsp; 576 struct bfi_rport_delete_rsp_s *delete_rsp; 577 struct bfi_rport_qos_scn_s *qos_scn_evt; 578 struct bfi_rport_lip_scn_s *lip_scn; 579 }; 580 581 /* 582 * Initiator mode I-T nexus interface defines. 583 */ 584 585 enum bfi_itn_h2i { 586 BFI_ITN_H2I_CREATE_REQ = 1, /* i-t nexus creation */ 587 BFI_ITN_H2I_DELETE_REQ = 2, /* i-t nexus deletion */ 588 }; 589 590 enum bfi_itn_i2h { 591 BFI_ITN_I2H_CREATE_RSP = BFA_I2HM(1), 592 BFI_ITN_I2H_DELETE_RSP = BFA_I2HM(2), 593 BFI_ITN_I2H_SLER_EVENT = BFA_I2HM(3), 594 }; 595 596 struct bfi_itn_create_req_s { 597 struct bfi_mhdr_s mh; /* common msg header */ 598 u16 fw_handle; /* f/w handle for itnim */ 599 u8 class; /* FC class for IO */ 600 u8 seq_rec; /* sequence recovery support */ 601 u8 msg_no; /* seq id of the msg */ 602 u8 role; 603 }; 604 605 struct bfi_itn_create_rsp_s { 606 struct bfi_mhdr_s mh; /* common msg header */ 607 u16 bfa_handle; /* bfa handle for itnim */ 608 u8 status; /* fcp request status */ 609 u8 seq_id; /* seq id of the msg */ 610 }; 611 612 struct bfi_itn_delete_req_s { 613 struct bfi_mhdr_s mh; /* common msg header */ 614 u16 fw_handle; /* f/w itnim handle */ 615 u8 seq_id; /* seq id of the msg */ 616 u8 rsvd; 617 }; 618 619 struct bfi_itn_delete_rsp_s { 620 struct bfi_mhdr_s mh; /* common msg header */ 621 u16 bfa_handle; /* bfa handle for itnim */ 622 u8 status; /* fcp request status */ 623 u8 seq_id; /* seq id of the msg */ 624 }; 625 626 struct bfi_itn_sler_event_s { 627 struct bfi_mhdr_s mh; /* common msg header */ 628 u16 bfa_handle; /* bfa handle for itnim */ 629 u16 rsvd; 630 }; 631 632 union bfi_itn_h2i_msg_u { 633 struct bfi_itn_create_req_s *create_req; 634 struct bfi_itn_delete_req_s *delete_req; 635 struct bfi_msg_s *msg; 636 }; 637 638 union bfi_itn_i2h_msg_u { 639 struct bfi_itn_create_rsp_s *create_rsp; 640 struct bfi_itn_delete_rsp_s *delete_rsp; 641 struct bfi_itn_sler_event_s *sler_event; 642 struct bfi_msg_s *msg; 643 }; 644 645 /* 646 * Initiator mode IO interface defines. 647 */ 648 649 enum bfi_ioim_h2i { 650 BFI_IOIM_H2I_IOABORT_REQ = 1, /* IO abort request */ 651 BFI_IOIM_H2I_IOCLEANUP_REQ = 2, /* IO cleanup request */ 652 }; 653 654 enum bfi_ioim_i2h { 655 BFI_IOIM_I2H_IO_RSP = BFA_I2HM(1), /* non-fp IO response */ 656 BFI_IOIM_I2H_IOABORT_RSP = BFA_I2HM(2), /* ABORT rsp */ 657 }; 658 659 /* 660 * IO command DIF info 661 */ 662 struct bfi_ioim_dif_s { 663 u32 dif_info[4]; 664 }; 665 666 /* 667 * FCP IO messages overview 668 * 669 * @note 670 * - Max CDB length supported is 64 bytes. 671 * - SCSI Linked commands and SCSI bi-directional Commands not 672 * supported. 673 * 674 */ 675 struct bfi_ioim_req_s { 676 struct bfi_mhdr_s mh; /* Common msg header */ 677 __be16 io_tag; /* I/O tag */ 678 u16 rport_hdl; /* itnim/rport firmware handle */ 679 struct fcp_cmnd_s cmnd; /* IO request info */ 680 681 /* 682 * SG elements array within the IO request must be double word 683 * aligned. This aligment is required to optimize SGM setup for the IO. 684 */ 685 struct bfi_sge_s sges[BFI_SGE_INLINE_MAX]; 686 u8 io_timeout; 687 u8 dif_en; 688 u8 rsvd_a[2]; 689 struct bfi_ioim_dif_s dif; 690 }; 691 692 /* 693 * This table shows various IO status codes from firmware and their 694 * meaning. Host driver can use these status codes to further process 695 * IO completions. 696 * 697 * BFI_IOIM_STS_OK : IO completed with error free SCSI & 698 * transport status. 699 * io-tag can be reused. 700 * 701 * BFA_IOIM_STS_SCSI_ERR : IO completed with scsi error. 702 * - io-tag can be reused. 703 * 704 * BFI_IOIM_STS_HOST_ABORTED : IO was aborted successfully due to 705 * host request. 706 * - io-tag cannot be reused yet. 707 * 708 * BFI_IOIM_STS_ABORTED : IO was aborted successfully 709 * internally by f/w. 710 * - io-tag cannot be reused yet. 711 * 712 * BFI_IOIM_STS_TIMEDOUT : IO timedout and ABTS/RRQ is happening 713 * in the firmware and 714 * - io-tag cannot be reused yet. 715 * 716 * BFI_IOIM_STS_SQER_NEEDED : Firmware could not recover the IO 717 * with sequence level error 718 * logic and hence host needs to retry 719 * this IO with a different IO tag 720 * - io-tag cannot be used yet. 721 * 722 * BFI_IOIM_STS_NEXUS_ABORT : Second Level Error Recovery from host 723 * is required because 2 consecutive ABTS 724 * timedout and host needs logout and 725 * re-login with the target 726 * - io-tag cannot be used yet. 727 * 728 * BFI_IOIM_STS_UNDERRUN : IO completed with SCSI status good, 729 * but the data tranferred is less than 730 * the fcp data length in the command. 731 * ex. SCSI INQUIRY where transferred 732 * data length and residue count in FCP 733 * response accounts for total fcp-dl 734 * - io-tag can be reused. 735 * 736 * BFI_IOIM_STS_OVERRUN : IO completed with SCSI status good, 737 * but the data transerred is more than 738 * fcp data length in the command. ex. 739 * TAPE IOs where blocks can of unequal 740 * lengths. 741 * - io-tag can be reused. 742 * 743 * BFI_IOIM_STS_RES_FREE : Firmware has completed using io-tag 744 * during abort process 745 * - io-tag can be reused. 746 * 747 * BFI_IOIM_STS_PROTO_ERR : Firmware detected a protocol error. 748 * ex target sent more data than 749 * requested, or there was data frame 750 * loss and other reasons 751 * - io-tag cannot be used yet. 752 * 753 * BFI_IOIM_STS_DIF_ERR : Firwmare detected DIF error. ex: DIF 754 * CRC err or Ref Tag err or App tag err. 755 * - io-tag can be reused. 756 * 757 * BFA_IOIM_STS_TSK_MGT_ABORT : IO was aborted because of Task 758 * Management command from the host 759 * - io-tag can be reused. 760 * 761 * BFI_IOIM_STS_UTAG : Firmware does not know about this 762 * io_tag. 763 * - io-tag can be reused. 764 */ 765 enum bfi_ioim_status { 766 BFI_IOIM_STS_OK = 0, 767 BFI_IOIM_STS_HOST_ABORTED = 1, 768 BFI_IOIM_STS_ABORTED = 2, 769 BFI_IOIM_STS_TIMEDOUT = 3, 770 BFI_IOIM_STS_RES_FREE = 4, 771 BFI_IOIM_STS_SQER_NEEDED = 5, 772 BFI_IOIM_STS_PROTO_ERR = 6, 773 BFI_IOIM_STS_UTAG = 7, 774 BFI_IOIM_STS_PATHTOV = 8, 775 }; 776 777 /* 778 * I/O response message 779 */ 780 struct bfi_ioim_rsp_s { 781 struct bfi_mhdr_s mh; /* common msg header */ 782 __be16 io_tag; /* completed IO tag */ 783 u16 bfa_rport_hndl; /* releated rport handle */ 784 u8 io_status; /* IO completion status */ 785 u8 reuse_io_tag; /* IO tag can be reused */ 786 u16 abort_tag; /* host abort request tag */ 787 u8 scsi_status; /* scsi status from target */ 788 u8 sns_len; /* scsi sense length */ 789 u8 resid_flags; /* IO residue flags */ 790 u8 rsvd_a; 791 __be32 residue; /* IO residual length in bytes */ 792 u32 rsvd_b[3]; 793 }; 794 795 struct bfi_ioim_abort_req_s { 796 struct bfi_mhdr_s mh; /* Common msg header */ 797 __be16 io_tag; /* I/O tag */ 798 u16 abort_tag; /* unique request tag */ 799 }; 800 801 /* 802 * Initiator mode task management command interface defines. 803 */ 804 805 enum bfi_tskim_h2i { 806 BFI_TSKIM_H2I_TM_REQ = 1, /* task-mgmt command */ 807 BFI_TSKIM_H2I_ABORT_REQ = 2, /* task-mgmt command */ 808 }; 809 810 enum bfi_tskim_i2h { 811 BFI_TSKIM_I2H_TM_RSP = BFA_I2HM(1), 812 }; 813 814 struct bfi_tskim_req_s { 815 struct bfi_mhdr_s mh; /* Common msg header */ 816 __be16 tsk_tag; /* task management tag */ 817 u16 itn_fhdl; /* itn firmware handle */ 818 struct scsi_lun lun; /* LU number */ 819 u8 tm_flags; /* see enum fcp_tm_cmnd */ 820 u8 t_secs; /* Timeout value in seconds */ 821 u8 rsvd[2]; 822 }; 823 824 struct bfi_tskim_abortreq_s { 825 struct bfi_mhdr_s mh; /* Common msg header */ 826 __be16 tsk_tag; /* task management tag */ 827 u16 rsvd; 828 }; 829 830 enum bfi_tskim_status { 831 /* 832 * Following are FCP-4 spec defined status codes, 833 * **DO NOT CHANGE THEM ** 834 */ 835 BFI_TSKIM_STS_OK = 0, 836 BFI_TSKIM_STS_NOT_SUPP = 4, 837 BFI_TSKIM_STS_FAILED = 5, 838 839 /* 840 * Defined by BFA 841 */ 842 BFI_TSKIM_STS_TIMEOUT = 10, /* TM request timedout */ 843 BFI_TSKIM_STS_ABORTED = 11, /* Aborted on host request */ 844 BFI_TSKIM_STS_UTAG = 12, /* unknown tag for request */ 845 }; 846 847 struct bfi_tskim_rsp_s { 848 struct bfi_mhdr_s mh; /* Common msg header */ 849 __be16 tsk_tag; /* task mgmt cmnd tag */ 850 u8 tsk_status; /* @ref bfi_tskim_status */ 851 u8 rsvd; 852 }; 853 854 #pragma pack() 855 856 /* 857 * Crossbow PCI MSI-X vector defines 858 */ 859 enum { 860 BFI_MSIX_CPE_QMIN_CB = 0, 861 BFI_MSIX_CPE_QMAX_CB = 7, 862 BFI_MSIX_RME_QMIN_CB = 8, 863 BFI_MSIX_RME_QMAX_CB = 15, 864 BFI_MSIX_CB_MAX = 22, 865 }; 866 867 /* 868 * Catapult FC PCI MSI-X vector defines 869 */ 870 enum { 871 BFI_MSIX_LPU_ERR_CT = 0, 872 BFI_MSIX_CPE_QMIN_CT = 1, 873 BFI_MSIX_CPE_QMAX_CT = 4, 874 BFI_MSIX_RME_QMIN_CT = 5, 875 BFI_MSIX_RME_QMAX_CT = 8, 876 BFI_MSIX_CT_MAX = 9, 877 }; 878 879 #endif /* __BFI_MS_H__ */ 880