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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 reserved6 * www.qlogic.com7 *8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.9 */10 11#ifndef __BFI_MS_H__12#define __BFI_MS_H__13 14#include "bfi.h"15#include "bfa_fc.h"16#include "bfa_defs_svc.h"17 18#pragma pack(1)19 20enum bfi_iocfc_h2i_msgs {21 BFI_IOCFC_H2I_CFG_REQ = 1,22 BFI_IOCFC_H2I_SET_INTR_REQ = 2,23 BFI_IOCFC_H2I_UPDATEQ_REQ = 3,24 BFI_IOCFC_H2I_FAA_QUERY_REQ = 4,25 BFI_IOCFC_H2I_ADDR_REQ = 5,26};27 28enum bfi_iocfc_i2h_msgs {29 BFI_IOCFC_I2H_CFG_REPLY = BFA_I2HM(1),30 BFI_IOCFC_I2H_UPDATEQ_RSP = BFA_I2HM(3),31 BFI_IOCFC_I2H_FAA_QUERY_RSP = BFA_I2HM(4),32 BFI_IOCFC_I2H_ADDR_MSG = BFA_I2HM(5),33};34 35struct bfi_iocfc_cfg_s {36 u8 num_cqs; /* Number of CQs to be used */37 u8 sense_buf_len; /* SCSI sense length */38 u16 rsvd_1;39 u32 endian_sig; /* endian signature of host */40 u8 rsvd_2;41 u8 single_msix_vec;42 u8 rsvd[2];43 __be16 num_ioim_reqs;44 __be16 num_fwtio_reqs;45 46 47 /*48 * Request and response circular queue base addresses, size and49 * shadow index pointers.50 */51 union bfi_addr_u req_cq_ba[BFI_IOC_MAX_CQS];52 union bfi_addr_u req_shadow_ci[BFI_IOC_MAX_CQS];53 __be16 req_cq_elems[BFI_IOC_MAX_CQS];54 union bfi_addr_u rsp_cq_ba[BFI_IOC_MAX_CQS];55 union bfi_addr_u rsp_shadow_pi[BFI_IOC_MAX_CQS];56 __be16 rsp_cq_elems[BFI_IOC_MAX_CQS];57 58 union bfi_addr_u stats_addr; /* DMA-able address for stats */59 union bfi_addr_u cfgrsp_addr; /* config response dma address */60 union bfi_addr_u ioim_snsbase[BFI_IOIM_SNSBUF_SEGS];61 /* IO sense buf base addr segments */62 struct bfa_iocfc_intr_attr_s intr_attr; /* IOC interrupt attributes */63};64 65/*66 * Boot target wwn information for this port. This contains either the stored67 * or discovered boot target port wwns for the port.68 */69struct bfi_iocfc_bootwwns {70 wwn_t wwn[BFA_BOOT_BOOTLUN_MAX];71 u8 nwwns;72 u8 rsvd[7];73};74 75/**76 * Queue configuration response from firmware77 */78struct bfi_iocfc_qreg_s {79 u32 cpe_q_ci_off[BFI_IOC_MAX_CQS];80 u32 cpe_q_pi_off[BFI_IOC_MAX_CQS];81 u32 cpe_qctl_off[BFI_IOC_MAX_CQS];82 u32 rme_q_ci_off[BFI_IOC_MAX_CQS];83 u32 rme_q_pi_off[BFI_IOC_MAX_CQS];84 u32 rme_qctl_off[BFI_IOC_MAX_CQS];85 u8 hw_qid[BFI_IOC_MAX_CQS];86};87 88struct bfi_iocfc_cfgrsp_s {89 struct bfa_iocfc_fwcfg_s fwcfg;90 struct bfa_iocfc_intr_attr_s intr_attr;91 struct bfi_iocfc_bootwwns bootwwns;92 struct bfi_pbc_s pbc_cfg;93 struct bfi_iocfc_qreg_s qreg;94};95 96/*97 * BFI_IOCFC_H2I_CFG_REQ message98 */99struct bfi_iocfc_cfg_req_s {100 struct bfi_mhdr_s mh;101 union bfi_addr_u ioc_cfg_dma_addr;102};103 104 105/*106 * BFI_IOCFC_I2H_CFG_REPLY message107 */108struct bfi_iocfc_cfg_reply_s {109 struct bfi_mhdr_s mh; /* Common msg header */110 u8 cfg_success; /* cfg reply status */111 u8 lpu_bm; /* LPUs assigned for this IOC */112 u8 rsvd[2];113};114 115 116/*117 * BFI_IOCFC_H2I_SET_INTR_REQ message118 */119struct bfi_iocfc_set_intr_req_s {120 struct bfi_mhdr_s mh; /* common msg header */121 u8 coalesce; /* enable intr coalescing */122 u8 rsvd[3];123 __be16 delay; /* delay timer 0..1125us */124 __be16 latency; /* latency timer 0..225us */125};126 127 128/*129 * BFI_IOCFC_H2I_UPDATEQ_REQ message130 */131struct bfi_iocfc_updateq_req_s {132 struct bfi_mhdr_s mh; /* common msg header */133 u32 reqq_ba; /* reqq base addr */134 u32 rspq_ba; /* rspq base addr */135 u32 reqq_sci; /* reqq shadow ci */136 u32 rspq_spi; /* rspq shadow pi */137};138 139 140/*141 * BFI_IOCFC_I2H_UPDATEQ_RSP message142 */143struct bfi_iocfc_updateq_rsp_s {144 struct bfi_mhdr_s mh; /* common msg header */145 u8 status; /* updateq status */146 u8 rsvd[3];147};148 149 150/*151 * H2I Messages152 */153union bfi_iocfc_h2i_msg_u {154 struct bfi_mhdr_s mh;155 struct bfi_iocfc_cfg_req_s cfg_req;156 struct bfi_iocfc_updateq_req_s updateq_req;157 u32 mboxmsg[BFI_IOC_MSGSZ];158};159 160 161/*162 * I2H Messages163 */164union bfi_iocfc_i2h_msg_u {165 struct bfi_mhdr_s mh;166 struct bfi_iocfc_cfg_reply_s cfg_reply;167 struct bfi_iocfc_updateq_rsp_s updateq_rsp;168 u32 mboxmsg[BFI_IOC_MSGSZ];169};170 171/*172 * BFI_IOCFC_H2I_FAA_ENABLE_REQ BFI_IOCFC_H2I_FAA_DISABLE_REQ message173 */174struct bfi_faa_en_dis_s {175 struct bfi_mhdr_s mh; /* common msg header */176};177 178struct bfi_faa_addr_msg_s {179 struct bfi_mhdr_s mh; /* common msg header */180 u8 rsvd[4];181 wwn_t pwwn; /* Fabric acquired PWWN */182 wwn_t nwwn; /* Fabric acquired PWWN */183};184 185/*186 * BFI_IOCFC_H2I_FAA_QUERY_REQ message187 */188struct bfi_faa_query_s {189 struct bfi_mhdr_s mh; /* common msg header */190 u8 faa_status; /* FAA status */191 u8 addr_source; /* PWWN source */192 u8 rsvd[2];193 wwn_t faa; /* Fabric acquired PWWN */194};195 196/*197 * BFI_IOCFC_I2H_FAA_ENABLE_RSP, BFI_IOCFC_I2H_FAA_DISABLE_RSP message198 */199struct bfi_faa_en_dis_rsp_s {200 struct bfi_mhdr_s mh; /* common msg header */201 u8 status; /* updateq status */202 u8 rsvd[3];203};204 205/*206 * BFI_IOCFC_I2H_FAA_QUERY_RSP message207 */208#define bfi_faa_query_rsp_t struct bfi_faa_query_s209 210enum bfi_fcport_h2i {211 BFI_FCPORT_H2I_ENABLE_REQ = (1),212 BFI_FCPORT_H2I_DISABLE_REQ = (2),213 BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ = (3),214 BFI_FCPORT_H2I_STATS_GET_REQ = (4),215 BFI_FCPORT_H2I_STATS_CLEAR_REQ = (5),216};217 218 219enum bfi_fcport_i2h {220 BFI_FCPORT_I2H_ENABLE_RSP = BFA_I2HM(1),221 BFI_FCPORT_I2H_DISABLE_RSP = BFA_I2HM(2),222 BFI_FCPORT_I2H_SET_SVC_PARAMS_RSP = BFA_I2HM(3),223 BFI_FCPORT_I2H_STATS_GET_RSP = BFA_I2HM(4),224 BFI_FCPORT_I2H_STATS_CLEAR_RSP = BFA_I2HM(5),225 BFI_FCPORT_I2H_EVENT = BFA_I2HM(6),226 BFI_FCPORT_I2H_TRUNK_SCN = BFA_I2HM(7),227 BFI_FCPORT_I2H_ENABLE_AEN = BFA_I2HM(8),228 BFI_FCPORT_I2H_DISABLE_AEN = BFA_I2HM(9),229};230 231 232/*233 * Generic REQ type234 */235struct bfi_fcport_req_s {236 struct bfi_mhdr_s mh; /* msg header */237 u32 msgtag; /* msgtag for reply */238};239 240/*241 * Generic RSP type242 */243struct bfi_fcport_rsp_s {244 struct bfi_mhdr_s mh; /* common msg header */245 u8 status; /* port enable status */246 u8 rsvd[3];247 struct bfa_port_cfg_s port_cfg;/* port configuration */248 u32 msgtag; /* msgtag for reply */249};250 251/*252 * BFI_FCPORT_H2I_ENABLE_REQ253 */254struct bfi_fcport_enable_req_s {255 struct bfi_mhdr_s mh; /* msg header */256 u32 rsvd1;257 wwn_t nwwn; /* node wwn of physical port */258 wwn_t pwwn; /* port wwn of physical port */259 struct bfa_port_cfg_s port_cfg; /* port configuration */260 union bfi_addr_u stats_dma_addr; /* DMA address for stats */261 u32 msgtag; /* msgtag for reply */262 u8 use_flash_cfg; /* get prot cfg from flash */263 u8 rsvd2[3];264};265 266/*267 * BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ268 */269struct bfi_fcport_set_svc_params_req_s {270 struct bfi_mhdr_s mh; /* msg header */271 __be16 tx_bbcredit; /* Tx credits */272 u8 rsvd[2];273};274 275/*276 * BFI_FCPORT_I2H_EVENT277 */278struct bfi_fcport_event_s {279 struct bfi_mhdr_s mh; /* common msg header */280 struct bfa_port_link_s link_state;281};282 283/*284 * BFI_FCPORT_I2H_TRUNK_SCN285 */286struct bfi_fcport_trunk_link_s {287 wwn_t trunk_wwn;288 u8 fctl; /* bfa_trunk_link_fctl_t */289 u8 state; /* bfa_trunk_link_state_t */290 u8 speed; /* bfa_port_speed_t */291 u8 rsvd;292 __be32 deskew;293};294 295#define BFI_FCPORT_MAX_LINKS 2296struct bfi_fcport_trunk_scn_s {297 struct bfi_mhdr_s mh;298 u8 trunk_state; /* bfa_trunk_state_t */299 u8 trunk_speed; /* bfa_port_speed_t */300 u8 rsvd_a[2];301 struct bfi_fcport_trunk_link_s tlink[BFI_FCPORT_MAX_LINKS];302};303 304/*305 * fcport H2I message306 */307union bfi_fcport_h2i_msg_u {308 struct bfi_mhdr_s *mhdr;309 struct bfi_fcport_enable_req_s *penable;310 struct bfi_fcport_req_s *pdisable;311 struct bfi_fcport_set_svc_params_req_s *psetsvcparams;312 struct bfi_fcport_req_s *pstatsget;313 struct bfi_fcport_req_s *pstatsclear;314};315 316/*317 * fcport I2H message318 */319union bfi_fcport_i2h_msg_u {320 struct bfi_msg_s *msg;321 struct bfi_fcport_rsp_s *penable_rsp;322 struct bfi_fcport_rsp_s *pdisable_rsp;323 struct bfi_fcport_rsp_s *psetsvcparams_rsp;324 struct bfi_fcport_rsp_s *pstatsget_rsp;325 struct bfi_fcport_rsp_s *pstatsclear_rsp;326 struct bfi_fcport_event_s *event;327 struct bfi_fcport_trunk_scn_s *trunk_scn;328};329 330enum bfi_fcxp_h2i {331 BFI_FCXP_H2I_SEND_REQ = 1,332};333 334enum bfi_fcxp_i2h {335 BFI_FCXP_I2H_SEND_RSP = BFA_I2HM(1),336};337 338#define BFA_FCXP_MAX_SGES 2339 340/*341 * FCXP send request structure342 */343struct bfi_fcxp_send_req_s {344 struct bfi_mhdr_s mh; /* Common msg header */345 __be16 fcxp_tag; /* driver request tag */346 __be16 max_frmsz; /* max send frame size */347 __be16 vf_id; /* vsan tag if applicable */348 u16 rport_fw_hndl; /* FW Handle for the remote port */349 u8 class; /* FC class used for req/rsp */350 u8 rsp_timeout; /* timeout in secs, 0-no response */351 u8 cts; /* continue sequence */352 u8 lp_fwtag; /* lport tag */353 struct fchs_s fchs; /* request FC header structure */354 __be32 req_len; /* request payload length */355 __be32 rsp_maxlen; /* max response length expected */356 struct bfi_alen_s req_alen; /* request buffer */357 struct bfi_alen_s rsp_alen; /* response buffer */358};359 360/*361 * FCXP send response structure362 */363struct bfi_fcxp_send_rsp_s {364 struct bfi_mhdr_s mh; /* Common msg header */365 __be16 fcxp_tag; /* send request tag */366 u8 req_status; /* request status */367 u8 rsvd;368 __be32 rsp_len; /* actual response length */369 __be32 residue_len; /* residual response length */370 struct fchs_s fchs; /* response FC header structure */371};372 373enum bfi_uf_h2i {374 BFI_UF_H2I_BUF_POST = 1,375};376 377enum bfi_uf_i2h {378 BFI_UF_I2H_FRM_RCVD = BFA_I2HM(1),379};380 381#define BFA_UF_MAX_SGES 2382 383struct bfi_uf_buf_post_s {384 struct bfi_mhdr_s mh; /* Common msg header */385 u16 buf_tag; /* buffer tag */386 __be16 buf_len; /* total buffer length */387 struct bfi_alen_s alen; /* buffer address/len pair */388};389 390struct bfi_uf_frm_rcvd_s {391 struct bfi_mhdr_s mh; /* Common msg header */392 u16 buf_tag; /* buffer tag */393 u16 rsvd;394 u16 frm_len; /* received frame length */395 u16 xfr_len; /* tranferred length */396};397 398enum bfi_lps_h2i_msgs {399 BFI_LPS_H2I_LOGIN_REQ = 1,400 BFI_LPS_H2I_LOGOUT_REQ = 2,401 BFI_LPS_H2I_N2N_PID_REQ = 3,402};403 404enum bfi_lps_i2h_msgs {405 BFI_LPS_I2H_LOGIN_RSP = BFA_I2HM(1),406 BFI_LPS_I2H_LOGOUT_RSP = BFA_I2HM(2),407 BFI_LPS_I2H_CVL_EVENT = BFA_I2HM(3),408};409 410struct bfi_lps_login_req_s {411 struct bfi_mhdr_s mh; /* common msg header */412 u8 bfa_tag;413 u8 alpa;414 __be16 pdu_size;415 wwn_t pwwn;416 wwn_t nwwn;417 u8 fdisc;418 u8 auth_en;419 u8 lps_role;420 u8 bb_scn;421 u32 vvl_flag;422};423 424struct bfi_lps_login_rsp_s {425 struct bfi_mhdr_s mh; /* common msg header */426 u8 fw_tag;427 u8 status;428 u8 lsrjt_rsn;429 u8 lsrjt_expl;430 wwn_t port_name;431 wwn_t node_name;432 __be16 bb_credit;433 u8 f_port;434 u8 npiv_en;435 u32 lp_pid:24;436 u32 auth_req:8;437 mac_t lp_mac;438 mac_t fcf_mac;439 u8 ext_status;440 u8 brcd_switch; /* attached peer is brcd switch */441 u8 bfa_tag;442 u8 rsvd;443};444 445struct bfi_lps_logout_req_s {446 struct bfi_mhdr_s mh; /* common msg header */447 u8 fw_tag;448 u8 rsvd[3];449 wwn_t port_name;450};451 452struct bfi_lps_logout_rsp_s {453 struct bfi_mhdr_s mh; /* common msg header */454 u8 bfa_tag;455 u8 status;456 u8 rsvd[2];457};458 459struct bfi_lps_cvl_event_s {460 struct bfi_mhdr_s mh; /* common msg header */461 u8 bfa_tag;462 u8 rsvd[3];463};464 465struct bfi_lps_n2n_pid_req_s {466 struct bfi_mhdr_s mh; /* common msg header */467 u8 fw_tag;468 u32 lp_pid:24;469};470 471union bfi_lps_h2i_msg_u {472 struct bfi_mhdr_s *msg;473 struct bfi_lps_login_req_s *login_req;474 struct bfi_lps_logout_req_s *logout_req;475 struct bfi_lps_n2n_pid_req_s *n2n_pid_req;476};477 478union bfi_lps_i2h_msg_u {479 struct bfi_msg_s *msg;480 struct bfi_lps_login_rsp_s *login_rsp;481 struct bfi_lps_logout_rsp_s *logout_rsp;482 struct bfi_lps_cvl_event_s *cvl_event;483};484 485enum bfi_rport_h2i_msgs {486 BFI_RPORT_H2I_CREATE_REQ = 1,487 BFI_RPORT_H2I_DELETE_REQ = 2,488 BFI_RPORT_H2I_SET_SPEED_REQ = 3,489};490 491enum bfi_rport_i2h_msgs {492 BFI_RPORT_I2H_CREATE_RSP = BFA_I2HM(1),493 BFI_RPORT_I2H_DELETE_RSP = BFA_I2HM(2),494 BFI_RPORT_I2H_QOS_SCN = BFA_I2HM(3),495 BFI_RPORT_I2H_LIP_SCN_ONLINE = BFA_I2HM(4),496 BFI_RPORT_I2H_LIP_SCN_OFFLINE = BFA_I2HM(5),497 BFI_RPORT_I2H_NO_DEV = BFA_I2HM(6),498};499 500struct bfi_rport_create_req_s {501 struct bfi_mhdr_s mh; /* common msg header */502 u16 bfa_handle; /* host rport handle */503 __be16 max_frmsz; /* max rcv pdu size */504 u32 pid:24, /* remote port ID */505 lp_fwtag:8; /* local port tag */506 u32 local_pid:24, /* local port ID */507 cisc:8;508 u8 fc_class; /* supported FC classes */509 u8 vf_en; /* virtual fabric enable */510 u16 vf_id; /* virtual fabric ID */511};512 513struct bfi_rport_create_rsp_s {514 struct bfi_mhdr_s mh; /* common msg header */515 u8 status; /* rport creation status */516 u8 rsvd[3];517 u16 bfa_handle; /* host rport handle */518 u16 fw_handle; /* firmware rport handle */519 struct bfa_rport_qos_attr_s qos_attr; /* QoS Attributes */520};521 522struct bfa_rport_speed_req_s {523 struct bfi_mhdr_s mh; /* common msg header */524 u16 fw_handle; /* firmware rport handle */525 u8 speed; /* rport's speed via RPSC */526 u8 rsvd;527};528 529struct bfi_rport_delete_req_s {530 struct bfi_mhdr_s mh; /* common msg header */531 u16 fw_handle; /* firmware rport handle */532 u16 rsvd;533};534 535struct bfi_rport_delete_rsp_s {536 struct bfi_mhdr_s mh; /* common msg header */537 u16 bfa_handle; /* host rport handle */538 u8 status; /* rport deletion status */539 u8 rsvd;540};541 542struct bfi_rport_qos_scn_s {543 struct bfi_mhdr_s mh; /* common msg header */544 u16 bfa_handle; /* host rport handle */545 u16 rsvd;546 struct bfa_rport_qos_attr_s old_qos_attr; /* Old QoS Attributes */547 struct bfa_rport_qos_attr_s new_qos_attr; /* New QoS Attributes */548};549 550struct bfi_rport_lip_scn_s {551 struct bfi_mhdr_s mh; /*!< common msg header */552 u16 bfa_handle; /*!< host rport handle */553 u8 status; /*!< scn online status */554 u8 rsvd;555 struct bfa_fcport_loop_info_s loop_info;556};557 558union bfi_rport_h2i_msg_u {559 struct bfi_msg_s *msg;560 struct bfi_rport_create_req_s *create_req;561 struct bfi_rport_delete_req_s *delete_req;562 struct bfi_rport_speed_req_s *speed_req;563};564 565union bfi_rport_i2h_msg_u {566 struct bfi_msg_s *msg;567 struct bfi_rport_create_rsp_s *create_rsp;568 struct bfi_rport_delete_rsp_s *delete_rsp;569 struct bfi_rport_qos_scn_s *qos_scn_evt;570 struct bfi_rport_lip_scn_s *lip_scn;571};572 573/*574 * Initiator mode I-T nexus interface defines.575 */576 577enum bfi_itn_h2i {578 BFI_ITN_H2I_CREATE_REQ = 1, /* i-t nexus creation */579 BFI_ITN_H2I_DELETE_REQ = 2, /* i-t nexus deletion */580};581 582enum bfi_itn_i2h {583 BFI_ITN_I2H_CREATE_RSP = BFA_I2HM(1),584 BFI_ITN_I2H_DELETE_RSP = BFA_I2HM(2),585 BFI_ITN_I2H_SLER_EVENT = BFA_I2HM(3),586};587 588struct bfi_itn_create_req_s {589 struct bfi_mhdr_s mh; /* common msg header */590 u16 fw_handle; /* f/w handle for itnim */591 u8 class; /* FC class for IO */592 u8 seq_rec; /* sequence recovery support */593 u8 msg_no; /* seq id of the msg */594 u8 role;595};596 597struct bfi_itn_create_rsp_s {598 struct bfi_mhdr_s mh; /* common msg header */599 u16 bfa_handle; /* bfa handle for itnim */600 u8 status; /* fcp request status */601 u8 seq_id; /* seq id of the msg */602};603 604struct bfi_itn_delete_req_s {605 struct bfi_mhdr_s mh; /* common msg header */606 u16 fw_handle; /* f/w itnim handle */607 u8 seq_id; /* seq id of the msg */608 u8 rsvd;609};610 611struct bfi_itn_delete_rsp_s {612 struct bfi_mhdr_s mh; /* common msg header */613 u16 bfa_handle; /* bfa handle for itnim */614 u8 status; /* fcp request status */615 u8 seq_id; /* seq id of the msg */616};617 618struct bfi_itn_sler_event_s {619 struct bfi_mhdr_s mh; /* common msg header */620 u16 bfa_handle; /* bfa handle for itnim */621 u16 rsvd;622};623 624union bfi_itn_h2i_msg_u {625 struct bfi_itn_create_req_s *create_req;626 struct bfi_itn_delete_req_s *delete_req;627 struct bfi_msg_s *msg;628};629 630union bfi_itn_i2h_msg_u {631 struct bfi_itn_create_rsp_s *create_rsp;632 struct bfi_itn_delete_rsp_s *delete_rsp;633 struct bfi_itn_sler_event_s *sler_event;634 struct bfi_msg_s *msg;635};636 637/*638 * Initiator mode IO interface defines.639 */640 641enum bfi_ioim_h2i {642 BFI_IOIM_H2I_IOABORT_REQ = 1, /* IO abort request */643 BFI_IOIM_H2I_IOCLEANUP_REQ = 2, /* IO cleanup request */644};645 646enum bfi_ioim_i2h {647 BFI_IOIM_I2H_IO_RSP = BFA_I2HM(1), /* non-fp IO response */648 BFI_IOIM_I2H_IOABORT_RSP = BFA_I2HM(2), /* ABORT rsp */649};650 651/*652 * IO command DIF info653 */654struct bfi_ioim_dif_s {655 u32 dif_info[4];656};657 658/*659 * FCP IO messages overview660 *661 * @note662 * - Max CDB length supported is 64 bytes.663 * - SCSI Linked commands and SCSI bi-directional Commands not664 * supported.665 *666 */667struct bfi_ioim_req_s {668 struct bfi_mhdr_s mh; /* Common msg header */669 __be16 io_tag; /* I/O tag */670 u16 rport_hdl; /* itnim/rport firmware handle */671 struct fcp_cmnd_s cmnd; /* IO request info */672 673 /*674 * SG elements array within the IO request must be double word675 * aligned. This alignment is required to optimize SGM setup for the IO.676 */677 struct bfi_sge_s sges[BFI_SGE_INLINE_MAX];678 u8 io_timeout;679 u8 dif_en;680 u8 rsvd_a[2];681 struct bfi_ioim_dif_s dif;682};683 684/*685 * This table shows various IO status codes from firmware and their686 * meaning. Host driver can use these status codes to further process687 * IO completions.688 *689 * BFI_IOIM_STS_OK : IO completed with error free SCSI &690 * transport status.691 * io-tag can be reused.692 *693 * BFA_IOIM_STS_SCSI_ERR : IO completed with scsi error.694 * - io-tag can be reused.695 *696 * BFI_IOIM_STS_HOST_ABORTED : IO was aborted successfully due to697 * host request.698 * - io-tag cannot be reused yet.699 *700 * BFI_IOIM_STS_ABORTED : IO was aborted successfully701 * internally by f/w.702 * - io-tag cannot be reused yet.703 *704 * BFI_IOIM_STS_TIMEDOUT : IO timedout and ABTS/RRQ is happening705 * in the firmware and706 * - io-tag cannot be reused yet.707 *708 * BFI_IOIM_STS_SQER_NEEDED : Firmware could not recover the IO709 * with sequence level error710 * logic and hence host needs to retry711 * this IO with a different IO tag712 * - io-tag cannot be used yet.713 *714 * BFI_IOIM_STS_NEXUS_ABORT : Second Level Error Recovery from host715 * is required because 2 consecutive ABTS716 * timedout and host needs logout and717 * re-login with the target718 * - io-tag cannot be used yet.719 *720 * BFI_IOIM_STS_UNDERRUN : IO completed with SCSI status good,721 * but the data tranferred is less than722 * the fcp data length in the command.723 * ex. SCSI INQUIRY where transferred724 * data length and residue count in FCP725 * response accounts for total fcp-dl726 * - io-tag can be reused.727 *728 * BFI_IOIM_STS_OVERRUN : IO completed with SCSI status good,729 * but the data transerred is more than730 * fcp data length in the command. ex.731 * TAPE IOs where blocks can of unequal732 * lengths.733 * - io-tag can be reused.734 *735 * BFI_IOIM_STS_RES_FREE : Firmware has completed using io-tag736 * during abort process737 * - io-tag can be reused.738 *739 * BFI_IOIM_STS_PROTO_ERR : Firmware detected a protocol error.740 * ex target sent more data than741 * requested, or there was data frame742 * loss and other reasons743 * - io-tag cannot be used yet.744 *745 * BFI_IOIM_STS_DIF_ERR : Firwmare detected DIF error. ex: DIF746 * CRC err or Ref Tag err or App tag err.747 * - io-tag can be reused.748 *749 * BFA_IOIM_STS_TSK_MGT_ABORT : IO was aborted because of Task750 * Management command from the host751 * - io-tag can be reused.752 *753 * BFI_IOIM_STS_UTAG : Firmware does not know about this754 * io_tag.755 * - io-tag can be reused.756 */757enum bfi_ioim_status {758 BFI_IOIM_STS_OK = 0,759 BFI_IOIM_STS_HOST_ABORTED = 1,760 BFI_IOIM_STS_ABORTED = 2,761 BFI_IOIM_STS_TIMEDOUT = 3,762 BFI_IOIM_STS_RES_FREE = 4,763 BFI_IOIM_STS_SQER_NEEDED = 5,764 BFI_IOIM_STS_PROTO_ERR = 6,765 BFI_IOIM_STS_UTAG = 7,766 BFI_IOIM_STS_PATHTOV = 8,767};768 769/*770 * I/O response message771 */772struct bfi_ioim_rsp_s {773 struct bfi_mhdr_s mh; /* common msg header */774 __be16 io_tag; /* completed IO tag */775 u16 bfa_rport_hndl; /* releated rport handle */776 u8 io_status; /* IO completion status */777 u8 reuse_io_tag; /* IO tag can be reused */778 u16 abort_tag; /* host abort request tag */779 u8 scsi_status; /* scsi status from target */780 u8 sns_len; /* scsi sense length */781 u8 resid_flags; /* IO residue flags */782 u8 rsvd_a;783 __be32 residue; /* IO residual length in bytes */784 u32 rsvd_b[3];785};786 787struct bfi_ioim_abort_req_s {788 struct bfi_mhdr_s mh; /* Common msg header */789 __be16 io_tag; /* I/O tag */790 u16 abort_tag; /* unique request tag */791};792 793/*794 * Initiator mode task management command interface defines.795 */796 797enum bfi_tskim_h2i {798 BFI_TSKIM_H2I_TM_REQ = 1, /* task-mgmt command */799 BFI_TSKIM_H2I_ABORT_REQ = 2, /* task-mgmt command */800};801 802enum bfi_tskim_i2h {803 BFI_TSKIM_I2H_TM_RSP = BFA_I2HM(1),804};805 806struct bfi_tskim_req_s {807 struct bfi_mhdr_s mh; /* Common msg header */808 __be16 tsk_tag; /* task management tag */809 u16 itn_fhdl; /* itn firmware handle */810 struct scsi_lun lun; /* LU number */811 u8 tm_flags; /* see enum fcp_tm_cmnd */812 u8 t_secs; /* Timeout value in seconds */813 u8 rsvd[2];814};815 816struct bfi_tskim_abortreq_s {817 struct bfi_mhdr_s mh; /* Common msg header */818 __be16 tsk_tag; /* task management tag */819 u16 rsvd;820};821 822enum bfi_tskim_status {823 /*824 * Following are FCP-4 spec defined status codes,825 * **DO NOT CHANGE THEM **826 */827 BFI_TSKIM_STS_OK = 0,828 BFI_TSKIM_STS_NOT_SUPP = 4,829 BFI_TSKIM_STS_FAILED = 5,830 831 /*832 * Defined by BFA833 */834 BFI_TSKIM_STS_TIMEOUT = 10, /* TM request timedout */835 BFI_TSKIM_STS_ABORTED = 11, /* Aborted on host request */836 BFI_TSKIM_STS_UTAG = 12, /* unknown tag for request */837};838 839struct bfi_tskim_rsp_s {840 struct bfi_mhdr_s mh; /* Common msg header */841 __be16 tsk_tag; /* task mgmt cmnd tag */842 u8 tsk_status; /* @ref bfi_tskim_status */843 u8 rsvd;844};845 846#pragma pack()847 848/*849 * Crossbow PCI MSI-X vector defines850 */851enum {852 BFI_MSIX_CPE_QMIN_CB = 0,853 BFI_MSIX_CPE_QMAX_CB = 7,854 BFI_MSIX_RME_QMIN_CB = 8,855 BFI_MSIX_RME_QMAX_CB = 15,856 BFI_MSIX_CB_MAX = 22,857};858 859/*860 * Catapult FC PCI MSI-X vector defines861 */862enum {863 BFI_MSIX_LPU_ERR_CT = 0,864 BFI_MSIX_CPE_QMIN_CT = 1,865 BFI_MSIX_CPE_QMAX_CT = 4,866 BFI_MSIX_RME_QMIN_CT = 5,867 BFI_MSIX_RME_QMAX_CT = 8,868 BFI_MSIX_CT_MAX = 9,869};870 871#endif /* __BFI_MS_H__ */872