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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 __BFA_SVC_H__12#define __BFA_SVC_H__13 14#include "bfa_cs.h"15#include "bfi_ms.h"16 17 18/*19 * Scatter-gather DMA related defines20 */21#define BFA_SGPG_MIN (16)22#define BFA_SGPG_MAX (8192)23 24/*25 * Alignment macro for SG page allocation26 */27#define BFA_SGPG_ROUNDUP(_l) (((_l) + (sizeof(struct bfi_sgpg_s) - 1)) \28 & ~(sizeof(struct bfi_sgpg_s) - 1))29 30struct bfa_sgpg_wqe_s {31 struct list_head qe; /* queue sg page element */32 int nsgpg; /* pages to be allocated */33 int nsgpg_total; /* total pages required */34 void (*cbfn) (void *cbarg); /* callback function */35 void *cbarg; /* callback arg */36 struct list_head sgpg_q; /* queue of alloced sgpgs */37};38 39struct bfa_sgpg_s {40 struct list_head qe; /* queue sg page element */41 struct bfi_sgpg_s *sgpg; /* va of SG page */42 union bfi_addr_u sgpg_pa; /* pa of SG page */43};44 45/*46 * Given number of SG elements, BFA_SGPG_NPAGE() returns the number of47 * SG pages required.48 */49#define BFA_SGPG_NPAGE(_nsges) (((_nsges) / BFI_SGPG_DATA_SGES) + 1)50 51/* Max SGPG dma segs required */52#define BFA_SGPG_DMA_SEGS \53 BFI_MEM_DMA_NSEGS(BFA_SGPG_MAX, (uint32_t)sizeof(struct bfi_sgpg_s))54 55struct bfa_sgpg_mod_s {56 struct bfa_s *bfa;57 int num_sgpgs; /* number of SG pages */58 int free_sgpgs; /* number of free SG pages */59 struct list_head sgpg_q; /* queue of free SG pages */60 struct list_head sgpg_wait_q; /* wait queue for SG pages */61 struct bfa_mem_dma_s dma_seg[BFA_SGPG_DMA_SEGS];62 struct bfa_mem_kva_s kva_seg;63};64#define BFA_SGPG_MOD(__bfa) (&(__bfa)->modules.sgpg_mod)65#define BFA_MEM_SGPG_KVA(__bfa) (&(BFA_SGPG_MOD(__bfa)->kva_seg))66 67bfa_status_t bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q,68 int nsgpgs);69void bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs);70void bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe,71 void (*cbfn) (void *cbarg), void *cbarg);72void bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpgs);73void bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe);74 75 76/*77 * FCXP related defines78 */79#define BFA_FCXP_MIN (1)80#define BFA_FCXP_MAX (256)81#define BFA_FCXP_MAX_IBUF_SZ (2 * 1024 + 256)82#define BFA_FCXP_MAX_LBUF_SZ (4 * 1024 + 256)83 84/* Max FCXP dma segs required */85#define BFA_FCXP_DMA_SEGS \86 BFI_MEM_DMA_NSEGS(BFA_FCXP_MAX, \87 (u32)BFA_FCXP_MAX_IBUF_SZ + BFA_FCXP_MAX_LBUF_SZ)88 89struct bfa_fcxp_mod_s {90 struct bfa_s *bfa; /* backpointer to BFA */91 struct bfa_fcxp_s *fcxp_list; /* array of FCXPs */92 u16 num_fcxps; /* max num FCXP requests */93 struct list_head fcxp_req_free_q; /* free FCXPs used for sending req */94 struct list_head fcxp_rsp_free_q; /* free FCXPs used for sending req */95 struct list_head fcxp_active_q; /* active FCXPs */96 struct list_head req_wait_q; /* wait queue for free req_fcxp */97 struct list_head rsp_wait_q; /* wait queue for free rsp_fcxp */98 struct list_head fcxp_req_unused_q; /* unused req_fcxps */99 struct list_head fcxp_rsp_unused_q; /* unused rsp_fcxps */100 u32 req_pld_sz;101 u32 rsp_pld_sz;102 struct bfa_mem_dma_s dma_seg[BFA_FCXP_DMA_SEGS];103 struct bfa_mem_kva_s kva_seg;104};105 106#define BFA_FCXP_MOD(__bfa) (&(__bfa)->modules.fcxp_mod)107#define BFA_FCXP_FROM_TAG(__mod, __tag) (&(__mod)->fcxp_list[__tag])108#define BFA_MEM_FCXP_KVA(__bfa) (&(BFA_FCXP_MOD(__bfa)->kva_seg))109 110typedef void (*fcxp_send_cb_t) (struct bfa_s *ioc, struct bfa_fcxp_s *fcxp,111 void *cb_arg, bfa_status_t req_status,112 u32 rsp_len, u32 resid_len,113 struct fchs_s *rsp_fchs);114 115typedef u64 (*bfa_fcxp_get_sgaddr_t) (void *bfad_fcxp, int sgeid);116typedef u32 (*bfa_fcxp_get_sglen_t) (void *bfad_fcxp, int sgeid);117typedef void (*bfa_cb_fcxp_send_t) (void *bfad_fcxp, struct bfa_fcxp_s *fcxp,118 void *cbarg, enum bfa_status req_status,119 u32 rsp_len, u32 resid_len,120 struct fchs_s *rsp_fchs);121typedef void (*bfa_fcxp_alloc_cbfn_t) (void *cbarg, struct bfa_fcxp_s *fcxp);122 123 124 125/*126 * Information needed for a FCXP request127 */128struct bfa_fcxp_req_info_s {129 struct bfa_rport_s *bfa_rport;130 /* Pointer to the bfa rport that was131 * returned from bfa_rport_create().132 * This could be left NULL for WKA or133 * for FCXP interactions before the134 * rport nexus is established135 */136 struct fchs_s fchs; /* request FC header structure */137 u8 cts; /* continuous sequence */138 u8 class; /* FC class for the request/response */139 u16 max_frmsz; /* max send frame size */140 u16 vf_id; /* vsan tag if applicable */141 u8 lp_tag; /* lport tag */142 u32 req_tot_len; /* request payload total length */143};144 145struct bfa_fcxp_rsp_info_s {146 struct fchs_s rsp_fchs;147 /* Response frame's FC header will148 * be sent back in this field */149 u8 rsp_timeout;150 /* timeout in seconds, 0-no response */151 u8 rsvd2[3];152 u32 rsp_maxlen; /* max response length expected */153};154 155struct bfa_fcxp_s {156 struct list_head qe; /* fcxp queue element */157 bfa_sm_t sm; /* state machine */158 void *caller; /* driver or fcs */159 struct bfa_fcxp_mod_s *fcxp_mod;160 /* back pointer to fcxp mod */161 u16 fcxp_tag; /* internal tag */162 struct bfa_fcxp_req_info_s req_info;163 /* request info */164 struct bfa_fcxp_rsp_info_s rsp_info;165 /* response info */166 u8 use_ireqbuf; /* use internal req buf */167 u8 use_irspbuf; /* use internal rsp buf */168 u32 nreq_sgles; /* num request SGLEs */169 u32 nrsp_sgles; /* num response SGLEs */170 struct list_head req_sgpg_q; /* SG pages for request buf */171 struct list_head req_sgpg_wqe; /* wait queue for req SG page */172 struct list_head rsp_sgpg_q; /* SG pages for response buf */173 struct list_head rsp_sgpg_wqe; /* wait queue for rsp SG page */174 175 bfa_fcxp_get_sgaddr_t req_sga_cbfn;176 /* SG elem addr user function */177 bfa_fcxp_get_sglen_t req_sglen_cbfn;178 /* SG elem len user function */179 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn;180 /* SG elem addr user function */181 bfa_fcxp_get_sglen_t rsp_sglen_cbfn;182 /* SG elem len user function */183 bfa_cb_fcxp_send_t send_cbfn; /* send completion callback */184 void *send_cbarg; /* callback arg */185 struct bfa_sge_s req_sge[BFA_FCXP_MAX_SGES];186 /* req SG elems */187 struct bfa_sge_s rsp_sge[BFA_FCXP_MAX_SGES];188 /* rsp SG elems */189 u8 rsp_status; /* comp: rsp status */190 u32 rsp_len; /* comp: actual response len */191 u32 residue_len; /* comp: residual rsp length */192 struct fchs_s rsp_fchs; /* comp: response fchs */193 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */194 struct bfa_reqq_wait_s reqq_wqe;195 bfa_boolean_t reqq_waiting;196 bfa_boolean_t req_rsp; /* Used to track req/rsp fcxp */197};198 199struct bfa_fcxp_wqe_s {200 struct list_head qe;201 bfa_fcxp_alloc_cbfn_t alloc_cbfn;202 void *alloc_cbarg;203 void *caller;204 struct bfa_s *bfa;205 int nreq_sgles;206 int nrsp_sgles;207 bfa_fcxp_get_sgaddr_t req_sga_cbfn;208 bfa_fcxp_get_sglen_t req_sglen_cbfn;209 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn;210 bfa_fcxp_get_sglen_t rsp_sglen_cbfn;211};212 213#define BFA_FCXP_REQ_PLD(_fcxp) (bfa_fcxp_get_reqbuf(_fcxp))214#define BFA_FCXP_RSP_FCHS(_fcxp) (&((_fcxp)->rsp_info.fchs))215#define BFA_FCXP_RSP_PLD(_fcxp) (bfa_fcxp_get_rspbuf(_fcxp))216 217#define BFA_FCXP_REQ_PLD_PA(_fcxp) \218 bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag, \219 (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz)220 221/* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */222#define BFA_FCXP_RSP_PLD_PA(_fcxp) \223 (bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag, \224 (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz) + \225 (_fcxp)->fcxp_mod->req_pld_sz)226 227void bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);228 229#define BFA_RPORT_MIN 4230 231struct bfa_rport_mod_s {232 struct bfa_rport_s *rps_list; /* list of rports */233 struct list_head rp_free_q; /* free bfa_rports */234 struct list_head rp_active_q; /* free bfa_rports */235 struct list_head rp_unused_q; /* unused bfa rports */236 u16 num_rports; /* number of rports */237 struct bfa_mem_kva_s kva_seg;238};239 240#define BFA_RPORT_MOD(__bfa) (&(__bfa)->modules.rport_mod)241#define BFA_MEM_RPORT_KVA(__bfa) (&(BFA_RPORT_MOD(__bfa)->kva_seg))242 243/*244 * Convert rport tag to RPORT245 */246#define BFA_RPORT_FROM_TAG(__bfa, _tag) \247 (BFA_RPORT_MOD(__bfa)->rps_list + \248 ((_tag) & (BFA_RPORT_MOD(__bfa)->num_rports - 1)))249 250/*251 * protected functions252 */253void bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);254void bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw);255 256/*257 * BFA rport information.258 */259struct bfa_rport_info_s {260 u16 max_frmsz; /* max rcv pdu size */261 u32 pid:24, /* remote port ID */262 lp_tag:8; /* tag */263 u32 local_pid:24, /* local port ID */264 cisc:8; /* CIRO supported */265 u8 fc_class; /* supported FC classes. enum fc_cos */266 u8 vf_en; /* virtual fabric enable */267 u16 vf_id; /* virtual fabric ID */268 enum bfa_port_speed speed; /* Rport's current speed */269};270 271/*272 * RPORT related defines273 */274enum bfa_rport_event {275 BFA_RPORT_SM_CREATE = 1, /* rport create event */276 BFA_RPORT_SM_DELETE = 2, /* deleting an existing rport */277 BFA_RPORT_SM_ONLINE = 3, /* rport is online */278 BFA_RPORT_SM_OFFLINE = 4, /* rport is offline */279 BFA_RPORT_SM_FWRSP = 5, /* firmware response */280 BFA_RPORT_SM_HWFAIL = 6, /* IOC h/w failure */281 BFA_RPORT_SM_QOS_SCN = 7, /* QoS SCN from firmware */282 BFA_RPORT_SM_SET_SPEED = 8, /* Set Rport Speed */283 BFA_RPORT_SM_QRESUME = 9, /* space in requeue queue */284};285 286struct bfa_rport_s;287typedef void (*bfa_rport_sm_t)(struct bfa_rport_s *, enum bfa_rport_event);288 289/*290 * BFA rport data structure291 */292struct bfa_rport_s {293 struct list_head qe; /* queue element */294 bfa_rport_sm_t sm; /* state machine */295 struct bfa_s *bfa; /* backpointer to BFA */296 void *rport_drv; /* fcs/driver rport object */297 u16 fw_handle; /* firmware rport handle */298 u16 rport_tag; /* BFA rport tag */299 u8 lun_mask; /* LUN mask flag */300 struct bfa_rport_info_s rport_info; /* rport info from fcs/driver */301 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */302 struct bfa_cb_qe_s hcb_qe; /* BFA callback qelem */303 struct bfa_rport_hal_stats_s stats; /* BFA rport statistics */304 struct bfa_rport_qos_attr_s qos_attr;305 union a {306 bfa_status_t status; /* f/w status */307 void *fw_msg; /* QoS scn event */308 } event_arg;309};310#define BFA_RPORT_FC_COS(_rport) ((_rport)->rport_info.fc_class)311 312 313/*314 * UF - unsolicited receive related defines315 */316 317#define BFA_UF_MIN (4)318#define BFA_UF_MAX (256)319 320struct bfa_uf_s {321 struct list_head qe; /* queue element */322 struct bfa_s *bfa; /* bfa instance */323 u16 uf_tag; /* identifying tag fw msgs */324 u16 vf_id;325 u16 src_rport_handle;326 u16 rsvd;327 u8 *data_ptr;328 u16 data_len; /* actual receive length */329 u16 pb_len; /* posted buffer length */330 void *buf_kva; /* buffer virtual address */331 u64 buf_pa; /* buffer physical address */332 struct bfa_cb_qe_s hcb_qe; /* comp: BFA comp qelem */333 struct bfa_sge_s sges[BFI_SGE_INLINE_MAX];334};335 336/*337 * Callback prototype for unsolicited frame receive handler.338 *339 * @param[in] cbarg callback arg for receive handler340 * @param[in] uf unsolicited frame descriptor341 *342 * @return None343 */344typedef void (*bfa_cb_uf_recv_t) (void *cbarg, struct bfa_uf_s *uf);345 346#define BFA_UF_BUFSZ (2 * 1024 + 256)347 348struct bfa_uf_buf_s {349 u8 d[BFA_UF_BUFSZ];350};351 352#define BFA_PER_UF_DMA_SZ \353 (u32)BFA_ROUNDUP(sizeof(struct bfa_uf_buf_s), BFA_DMA_ALIGN_SZ)354 355/* Max UF dma segs required */356#define BFA_UF_DMA_SEGS BFI_MEM_DMA_NSEGS(BFA_UF_MAX, BFA_PER_UF_DMA_SZ)357 358struct bfa_uf_mod_s {359 struct bfa_s *bfa; /* back pointer to BFA */360 struct bfa_uf_s *uf_list; /* array of UFs */361 u16 num_ufs; /* num unsolicited rx frames */362 struct list_head uf_free_q; /* free UFs */363 struct list_head uf_posted_q; /* UFs posted to IOC */364 struct list_head uf_unused_q; /* unused UF's */365 struct bfi_uf_buf_post_s *uf_buf_posts;366 /* pre-built UF post msgs */367 bfa_cb_uf_recv_t ufrecv; /* uf recv handler function */368 void *cbarg; /* uf receive handler arg */369 struct bfa_mem_dma_s dma_seg[BFA_UF_DMA_SEGS];370 struct bfa_mem_kva_s kva_seg;371};372 373#define BFA_UF_MOD(__bfa) (&(__bfa)->modules.uf_mod)374#define BFA_MEM_UF_KVA(__bfa) (&(BFA_UF_MOD(__bfa)->kva_seg))375 376#define ufm_pbs_pa(_ufmod, _uftag) \377 bfa_mem_get_dmabuf_pa(_ufmod, _uftag, BFA_PER_UF_DMA_SZ)378 379void bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);380void bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw);381 382/*383 * lps_pvt BFA LPS private functions384 */385 386enum bfa_lps_event {387 BFA_LPS_SM_LOGIN = 1, /* login request from user */388 BFA_LPS_SM_LOGOUT = 2, /* logout request from user */389 BFA_LPS_SM_FWRSP = 3, /* f/w response to login/logout */390 BFA_LPS_SM_RESUME = 4, /* space present in reqq queue */391 BFA_LPS_SM_DELETE = 5, /* lps delete from user */392 BFA_LPS_SM_OFFLINE = 6, /* Link is offline */393 BFA_LPS_SM_RX_CVL = 7, /* Rx clear virtual link */394 BFA_LPS_SM_SET_N2N_PID = 8, /* Set assigned PID for n2n */395};396 397struct bfa_lps_s;398typedef void (*bfa_lps_sm_t)(struct bfa_lps_s *, enum bfa_lps_event);399 400/*401 * LPS - bfa lport login/logout service interface402 */403struct bfa_lps_s {404 struct list_head qe; /* queue element */405 struct bfa_s *bfa; /* parent bfa instance */406 bfa_lps_sm_t sm; /* finite state machine */407 u8 bfa_tag; /* lport tag */408 u8 fw_tag; /* lport fw tag */409 u8 reqq; /* lport request queue */410 u8 alpa; /* ALPA for loop topologies */411 u32 lp_pid; /* lport port ID */412 bfa_boolean_t fdisc; /* snd FDISC instead of FLOGI */413 bfa_boolean_t auth_en; /* enable authentication */414 bfa_boolean_t auth_req; /* authentication required */415 bfa_boolean_t npiv_en; /* NPIV is allowed by peer */416 bfa_boolean_t fport; /* attached peer is F_PORT */417 bfa_boolean_t brcd_switch; /* attached peer is brcd sw */418 bfa_status_t status; /* login status */419 u16 pdusz; /* max receive PDU size */420 u16 pr_bbcred; /* BB_CREDIT from peer */421 u8 lsrjt_rsn; /* LSRJT reason */422 u8 lsrjt_expl; /* LSRJT explanation */423 u8 lun_mask; /* LUN mask flag */424 wwn_t pwwn; /* port wwn of lport */425 wwn_t nwwn; /* node wwn of lport */426 wwn_t pr_pwwn; /* port wwn of lport peer */427 wwn_t pr_nwwn; /* node wwn of lport peer */428 mac_t lp_mac; /* fpma/spma MAC for lport */429 mac_t fcf_mac; /* FCF MAC of lport */430 struct bfa_reqq_wait_s wqe; /* request wait queue element */431 void *uarg; /* user callback arg */432 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */433 struct bfi_lps_login_rsp_s *loginrsp;434 bfa_eproto_status_t ext_status;435};436 437struct bfa_lps_mod_s {438 struct list_head lps_free_q;439 struct list_head lps_active_q;440 struct list_head lps_login_q;441 struct bfa_lps_s *lps_arr;442 int num_lps;443 struct bfa_mem_kva_s kva_seg;444};445 446#define BFA_LPS_MOD(__bfa) (&(__bfa)->modules.lps_mod)447#define BFA_LPS_FROM_TAG(__mod, __tag) (&(__mod)->lps_arr[__tag])448#define BFA_MEM_LPS_KVA(__bfa) (&(BFA_LPS_MOD(__bfa)->kva_seg))449 450/*451 * external functions452 */453void bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);454 455 456/*457 * FCPORT related defines458 */459 460#define BFA_FCPORT(_bfa) (&((_bfa)->modules.port))461 462/*463 * BFA port link notification state machine events464 */465 466enum bfa_fcport_ln_sm_event {467 BFA_FCPORT_LN_SM_LINKUP = 1, /* linkup event */468 BFA_FCPORT_LN_SM_LINKDOWN = 2, /* linkdown event */469 BFA_FCPORT_LN_SM_NOTIFICATION = 3 /* done notification */470};471 472struct bfa_fcport_ln_s;473typedef void (*bfa_fcport_ln_sm_t)(struct bfa_fcport_ln_s *, enum bfa_fcport_ln_sm_event);474 475/*476 * Link notification data structure477 */478struct bfa_fcport_ln_s {479 struct bfa_fcport_s *fcport;480 bfa_fcport_ln_sm_t sm;481 struct bfa_cb_qe_s ln_qe; /* BFA callback queue elem for ln */482 enum bfa_port_linkstate ln_event; /* ln event for callback */483};484 485struct bfa_fcport_trunk_s {486 struct bfa_trunk_attr_s attr;487};488 489/*490 * BFA port state machine events491 */492enum bfa_fcport_sm_event {493 BFA_FCPORT_SM_START = 1, /* start port state machine */494 BFA_FCPORT_SM_STOP = 2, /* stop port state machine */495 BFA_FCPORT_SM_ENABLE = 3, /* enable port */496 BFA_FCPORT_SM_DISABLE = 4, /* disable port state machine */497 BFA_FCPORT_SM_FWRSP = 5, /* firmware enable/disable rsp */498 BFA_FCPORT_SM_LINKUP = 6, /* firmware linkup event */499 BFA_FCPORT_SM_LINKDOWN = 7, /* firmware linkup down */500 BFA_FCPORT_SM_QRESUME = 8, /* CQ space available */501 BFA_FCPORT_SM_HWFAIL = 9, /* IOC h/w failure */502 BFA_FCPORT_SM_DPORTENABLE = 10, /* enable dport */503 BFA_FCPORT_SM_DPORTDISABLE = 11,/* disable dport */504 BFA_FCPORT_SM_FAA_MISCONFIG = 12, /* FAA misconfiguratin */505 BFA_FCPORT_SM_DDPORTENABLE = 13, /* enable ddport */506 BFA_FCPORT_SM_DDPORTDISABLE = 14, /* disable ddport */507};508 509struct bfa_fcport_s;510typedef void (*bfa_fcport_sm_t)(struct bfa_fcport_s *, enum bfa_fcport_sm_event);511 512/*513 * BFA FC port data structure514 */515struct bfa_fcport_s {516 struct bfa_s *bfa; /* parent BFA instance */517 bfa_fcport_sm_t sm; /* port state machine */518 wwn_t nwwn; /* node wwn of physical port */519 wwn_t pwwn; /* port wwn of physical oprt */520 enum bfa_port_speed speed_sup;521 /* supported speeds */522 enum bfa_port_speed speed; /* current speed */523 enum bfa_port_topology topology; /* current topology */524 u8 rsvd[3];525 u8 myalpa; /* my ALPA in LOOP topology */526 u8 alpabm_valid; /* alpa bitmap valid or not */527 struct fc_alpabm_s alpabm; /* alpa bitmap */528 struct bfa_port_cfg_s cfg; /* current port configuration */529 bfa_boolean_t use_flash_cfg; /* get port cfg from flash */530 struct bfa_qos_attr_s qos_attr; /* QoS Attributes */531 struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */532 struct bfa_reqq_wait_s reqq_wait;533 /* to wait for room in reqq */534 struct bfa_reqq_wait_s svcreq_wait;535 /* to wait for room in reqq */536 struct bfa_reqq_wait_s stats_reqq_wait;537 /* to wait for room in reqq (stats) */538 void *event_cbarg;539 void (*event_cbfn) (void *cbarg,540 enum bfa_port_linkstate event);541 union {542 union bfi_fcport_i2h_msg_u i2hmsg;543 } event_arg;544 void *bfad; /* BFA driver handle */545 struct bfa_fcport_ln_s ln; /* Link Notification */546 struct bfa_cb_qe_s hcb_qe; /* BFA callback queue elem */547 struct bfa_timer_s timer; /* timer */548 u32 msgtag; /* fimrware msg tag for reply */549 u8 *stats_kva;550 u64 stats_pa;551 union bfa_fcport_stats_u *stats;552 bfa_status_t stats_status; /* stats/statsclr status */553 struct list_head stats_pending_q;554 struct list_head statsclr_pending_q;555 bfa_boolean_t stats_qfull;556 time64_t stats_reset_time; /* stats reset time stamp */557 bfa_boolean_t diag_busy; /* diag busy status */558 bfa_boolean_t beacon; /* port beacon status */559 bfa_boolean_t link_e2e_beacon; /* link beacon status */560 struct bfa_fcport_trunk_s trunk;561 u16 fcoe_vlan;562 struct bfa_mem_dma_s fcport_dma;563 bfa_boolean_t stats_dma_ready;564 struct bfa_bbcr_attr_s bbcr_attr;565 enum bfa_fec_state_s fec_state;566};567 568#define BFA_FCPORT_MOD(__bfa) (&(__bfa)->modules.fcport)569#define BFA_MEM_FCPORT_DMA(__bfa) (&(BFA_FCPORT_MOD(__bfa)->fcport_dma))570 571/*572 * protected functions573 */574void bfa_fcport_init(struct bfa_s *bfa);575void bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);576 577/*578 * bfa fcport API functions579 */580bfa_status_t bfa_fcport_enable(struct bfa_s *bfa);581bfa_status_t bfa_fcport_disable(struct bfa_s *bfa);582bfa_status_t bfa_fcport_cfg_speed(struct bfa_s *bfa,583 enum bfa_port_speed speed);584enum bfa_port_speed bfa_fcport_get_speed(struct bfa_s *bfa);585bfa_status_t bfa_fcport_cfg_topology(struct bfa_s *bfa,586 enum bfa_port_topology topo);587enum bfa_port_topology bfa_fcport_get_topology(struct bfa_s *bfa);588enum bfa_port_topology bfa_fcport_get_cfg_topology(struct bfa_s *bfa);589bfa_status_t bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa);590bfa_boolean_t bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa);591u8 bfa_fcport_get_myalpa(struct bfa_s *bfa);592bfa_status_t bfa_fcport_clr_hardalpa(struct bfa_s *bfa);593bfa_status_t bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxsize);594u16 bfa_fcport_get_maxfrsize(struct bfa_s *bfa);595u8 bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa);596void bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr);597wwn_t bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node);598void bfa_fcport_event_register(struct bfa_s *bfa,599 void (*event_cbfn) (void *cbarg,600 enum bfa_port_linkstate event), void *event_cbarg);601bfa_boolean_t bfa_fcport_is_disabled(struct bfa_s *bfa);602bfa_boolean_t bfa_fcport_is_dport(struct bfa_s *bfa);603bfa_boolean_t bfa_fcport_is_ddport(struct bfa_s *bfa);604bfa_status_t bfa_fcport_set_qos_bw(struct bfa_s *bfa,605 struct bfa_qos_bw_s *qos_bw);606enum bfa_port_speed bfa_fcport_get_ratelim_speed(struct bfa_s *bfa);607 608void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit);609bfa_boolean_t bfa_fcport_is_ratelim(struct bfa_s *bfa);610void bfa_fcport_beacon(void *dev, bfa_boolean_t beacon,611 bfa_boolean_t link_e2e_beacon);612bfa_boolean_t bfa_fcport_is_linkup(struct bfa_s *bfa);613bfa_status_t bfa_fcport_get_stats(struct bfa_s *bfa,614 struct bfa_cb_pending_q_s *cb);615bfa_status_t bfa_fcport_clear_stats(struct bfa_s *bfa,616 struct bfa_cb_pending_q_s *cb);617bfa_boolean_t bfa_fcport_is_qos_enabled(struct bfa_s *bfa);618bfa_boolean_t bfa_fcport_is_trunk_enabled(struct bfa_s *bfa);619void bfa_fcport_dportenable(struct bfa_s *bfa);620void bfa_fcport_dportdisable(struct bfa_s *bfa);621bfa_status_t bfa_fcport_is_pbcdisabled(struct bfa_s *bfa);622void bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state);623bfa_status_t bfa_fcport_cfg_bbcr(struct bfa_s *bfa,624 bfa_boolean_t on_off, u8 bb_scn);625bfa_status_t bfa_fcport_get_bbcr_attr(struct bfa_s *bfa,626 struct bfa_bbcr_attr_s *bbcr_attr);627 628/*629 * bfa rport API functions630 */631struct bfa_rport_s *bfa_rport_create(struct bfa_s *bfa, void *rport_drv);632void bfa_rport_online(struct bfa_rport_s *rport,633 struct bfa_rport_info_s *rport_info);634void bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed);635void bfa_cb_rport_online(void *rport);636void bfa_cb_rport_offline(void *rport);637void bfa_cb_rport_qos_scn_flowid(void *rport,638 struct bfa_rport_qos_attr_s old_qos_attr,639 struct bfa_rport_qos_attr_s new_qos_attr);640void bfa_cb_rport_scn_online(struct bfa_s *bfa);641void bfa_cb_rport_scn_offline(struct bfa_s *bfa);642void bfa_cb_rport_scn_no_dev(void *rp);643void bfa_cb_rport_qos_scn_prio(void *rport,644 struct bfa_rport_qos_attr_s old_qos_attr,645 struct bfa_rport_qos_attr_s new_qos_attr);646 647/*648 * Rport LUN masking related649 */650#define BFA_RPORT_TAG_INVALID 0xffff651#define BFA_LP_TAG_INVALID 0xff652void bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);653void bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);654 655/*656 * bfa fcxp API functions657 */658struct bfa_fcxp_s *bfa_fcxp_req_rsp_alloc(void *bfad_fcxp, struct bfa_s *bfa,659 int nreq_sgles, int nrsp_sgles,660 bfa_fcxp_get_sgaddr_t get_req_sga,661 bfa_fcxp_get_sglen_t get_req_sglen,662 bfa_fcxp_get_sgaddr_t get_rsp_sga,663 bfa_fcxp_get_sglen_t get_rsp_sglen,664 bfa_boolean_t req);665void bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,666 bfa_fcxp_alloc_cbfn_t alloc_cbfn,667 void *cbarg, void *bfad_fcxp,668 int nreq_sgles, int nrsp_sgles,669 bfa_fcxp_get_sgaddr_t get_req_sga,670 bfa_fcxp_get_sglen_t get_req_sglen,671 bfa_fcxp_get_sgaddr_t get_rsp_sga,672 bfa_fcxp_get_sglen_t get_rsp_sglen,673 bfa_boolean_t req);674void bfa_fcxp_walloc_cancel(struct bfa_s *bfa,675 struct bfa_fcxp_wqe_s *wqe);676void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp);677 678void *bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp);679void *bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp);680 681void bfa_fcxp_free(struct bfa_fcxp_s *fcxp);682 683void bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,684 u16 vf_id, u8 lp_tag,685 bfa_boolean_t cts, enum fc_cos cos,686 u32 reqlen, struct fchs_s *fchs,687 bfa_cb_fcxp_send_t cbfn,688 void *cbarg,689 u32 rsp_maxlen, u8 rsp_timeout);690bfa_status_t bfa_fcxp_abort(struct bfa_fcxp_s *fcxp);691u32 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp);692u32 bfa_fcxp_get_maxrsp(struct bfa_s *bfa);693void bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw);694 695static inline void *696bfa_uf_get_frmbuf(struct bfa_uf_s *uf)697{698 return uf->data_ptr;699}700 701static inline u16702bfa_uf_get_frmlen(struct bfa_uf_s *uf)703{704 return uf->data_len;705}706 707/*708 * bfa uf API functions709 */710void bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv,711 void *cbarg);712void bfa_uf_free(struct bfa_uf_s *uf);713 714/*715 * bfa lport service api716 */717 718u32 bfa_lps_get_max_vport(struct bfa_s *bfa);719struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa);720void bfa_lps_delete(struct bfa_lps_s *lps);721void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa,722 u16 pdusz, wwn_t pwwn, wwn_t nwwn,723 bfa_boolean_t auth_en);724void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz,725 wwn_t pwwn, wwn_t nwwn);726void bfa_lps_fdisclogo(struct bfa_lps_s *lps);727void bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, u32 n2n_pid);728u8 bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag);729u32 bfa_lps_get_base_pid(struct bfa_s *bfa);730u8 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid);731void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status);732void bfa_cb_lps_flogo_comp(void *bfad, void *uarg);733void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status);734void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg);735void bfa_cb_lps_cvl_event(void *bfad, void *uarg);736 737/* FAA specific APIs */738bfa_status_t bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr,739 bfa_cb_iocfc_t cbfn, void *cbarg);740 741/*742 * FC DIAG data structure743 */744struct bfa_fcdiag_qtest_s {745 struct bfa_diag_qtest_result_s *result;746 bfa_cb_diag_t cbfn;747 void *cbarg;748 struct bfa_timer_s timer;749 u32 status;750 u32 count;751 u8 lock;752 u8 queue;753 u8 all;754 u8 timer_active;755};756 757struct bfa_fcdiag_lb_s {758 bfa_cb_diag_t cbfn;759 void *cbarg;760 void *result;761 bfa_boolean_t lock;762 u32 status;763};764 765/*766 * BFA DPORT state machine events767 */768enum bfa_dport_sm_event {769 BFA_DPORT_SM_ENABLE = 1, /* dport enable event */770 BFA_DPORT_SM_DISABLE = 2, /* dport disable event */771 BFA_DPORT_SM_FWRSP = 3, /* fw enable/disable rsp */772 BFA_DPORT_SM_QRESUME = 4, /* CQ space available */773 BFA_DPORT_SM_HWFAIL = 5, /* IOC h/w failure */774 BFA_DPORT_SM_START = 6, /* re-start dport test */775 BFA_DPORT_SM_REQFAIL = 7, /* request failure */776 BFA_DPORT_SM_SCN = 8, /* state change notify frm fw */777};778 779struct bfa_dport_s;780typedef void (*bfa_dport_sm_t)(struct bfa_dport_s *, enum bfa_dport_sm_event);781 782struct bfa_dport_s {783 struct bfa_s *bfa; /* Back pointer to BFA */784 bfa_dport_sm_t sm; /* finite state machine */785 struct bfa_reqq_wait_s reqq_wait;786 bfa_cb_diag_t cbfn;787 void *cbarg;788 union bfi_diag_dport_msg_u i2hmsg;789 u8 test_state; /* enum dport_test_state */790 u8 dynamic; /* boolean_t */791 u8 rsvd[2];792 u32 lpcnt;793 u32 payload; /* user defined payload pattern */794 wwn_t rp_pwwn;795 wwn_t rp_nwwn;796 struct bfa_diag_dport_result_s result;797};798 799struct bfa_fcdiag_s {800 struct bfa_s *bfa; /* Back pointer to BFA */801 struct bfa_trc_mod_s *trcmod;802 struct bfa_fcdiag_lb_s lb;803 struct bfa_fcdiag_qtest_s qtest;804 struct bfa_dport_s dport;805};806 807#define BFA_FCDIAG_MOD(__bfa) (&(__bfa)->modules.fcdiag)808 809void bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg);810 811bfa_status_t bfa_fcdiag_loopback(struct bfa_s *bfa,812 enum bfa_port_opmode opmode,813 enum bfa_port_speed speed, u32 lpcnt, u32 pat,814 struct bfa_diag_loopback_result_s *result,815 bfa_cb_diag_t cbfn, void *cbarg);816bfa_status_t bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 ignore,817 u32 queue, struct bfa_diag_qtest_result_s *result,818 bfa_cb_diag_t cbfn, void *cbarg);819bfa_status_t bfa_fcdiag_lb_is_running(struct bfa_s *bfa);820bfa_status_t bfa_dport_enable(struct bfa_s *bfa, u32 lpcnt, u32 pat,821 bfa_cb_diag_t cbfn, void *cbarg);822bfa_status_t bfa_dport_disable(struct bfa_s *bfa, bfa_cb_diag_t cbfn,823 void *cbarg);824bfa_status_t bfa_dport_start(struct bfa_s *bfa, u32 lpcnt, u32 pat,825 bfa_cb_diag_t cbfn, void *cbarg);826bfa_status_t bfa_dport_show(struct bfa_s *bfa,827 struct bfa_diag_dport_result_s *result);828 829#endif /* __BFA_SVC_H__ */830