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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / scsi / bfa / bfa_svc.h
blob9c83109574e91d7105874600b1652ed9983a1391
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 #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 defines
20 */
21 #define BFA_SGPG_MIN (16)
22 #define BFA_SGPG_MAX (8192)
23
24 /*
25 * Alignment macro for SG page allocation
26 */
27 #define BFA_SGPG_ROUNDUP(_l) (((_l) + (sizeof(struct bfi_sgpg_s) - 1)) \
28 & ~(sizeof(struct bfi_sgpg_s) - 1))
29
30 struct 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
39 struct 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 of
47 * 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
55 struct 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
67 bfa_status_t bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q,
68 int nsgpgs);
69 void bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs);
70 void bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe,
71 void (*cbfn) (void *cbarg), void *cbarg);
72 void bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpgs);
73 void bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe);
74
75
76 /*
77 * FCXP related defines
78 */
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
89 struct 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
110 typedef 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
115 typedef u64 (*bfa_fcxp_get_sgaddr_t) (void *bfad_fcxp, int sgeid);
116 typedef u32 (*bfa_fcxp_get_sglen_t) (void *bfad_fcxp, int sgeid);
117 typedef 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);
121 typedef void (*bfa_fcxp_alloc_cbfn_t) (void *cbarg, struct bfa_fcxp_s *fcxp);
122
123
124
125 /*
126 * Information needed for a FCXP request
127 */
128 struct bfa_fcxp_req_info_s {
129 struct bfa_rport_s *bfa_rport;
130 /* Pointer to the bfa rport that was
131 * returned from bfa_rport_create().
132 * This could be left NULL for WKA or
133 * for FCXP interactions before the
134 * rport nexus is established
135 */
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
145 struct bfa_fcxp_rsp_info_s {
146 struct fchs_s rsp_fchs;
147 /* Response frame's FC header will
148 * 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
155 struct 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
199 struct 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
227 void bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
228
229
230 /*
231 * RPORT related defines
232 */
233 enum bfa_rport_event {
234 BFA_RPORT_SM_CREATE = 1, /* rport create event */
235 BFA_RPORT_SM_DELETE = 2, /* deleting an existing rport */
236 BFA_RPORT_SM_ONLINE = 3, /* rport is online */
237 BFA_RPORT_SM_OFFLINE = 4, /* rport is offline */
238 BFA_RPORT_SM_FWRSP = 5, /* firmware response */
239 BFA_RPORT_SM_HWFAIL = 6, /* IOC h/w failure */
240 BFA_RPORT_SM_QOS_SCN = 7, /* QoS SCN from firmware */
241 BFA_RPORT_SM_SET_SPEED = 8, /* Set Rport Speed */
242 BFA_RPORT_SM_QRESUME = 9, /* space in requeue queue */
243 };
244
245 #define BFA_RPORT_MIN 4
246
247 struct bfa_rport_mod_s {
248 struct bfa_rport_s *rps_list; /* list of rports */
249 struct list_head rp_free_q; /* free bfa_rports */
250 struct list_head rp_active_q; /* free bfa_rports */
251 struct list_head rp_unused_q; /* unused bfa rports */
252 u16 num_rports; /* number of rports */
253 struct bfa_mem_kva_s kva_seg;
254 };
255
256 #define BFA_RPORT_MOD(__bfa) (&(__bfa)->modules.rport_mod)
257 #define BFA_MEM_RPORT_KVA(__bfa) (&(BFA_RPORT_MOD(__bfa)->kva_seg))
258
259 /*
260 * Convert rport tag to RPORT
261 */
262 #define BFA_RPORT_FROM_TAG(__bfa, _tag) \
263 (BFA_RPORT_MOD(__bfa)->rps_list + \
264 ((_tag) & (BFA_RPORT_MOD(__bfa)->num_rports - 1)))
265
266 /*
267 * protected functions
268 */
269 void bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
270 void bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw);
271
272 /*
273 * BFA rport information.
274 */
275 struct bfa_rport_info_s {
276 u16 max_frmsz; /* max rcv pdu size */
277 u32 pid:24, /* remote port ID */
278 lp_tag:8; /* tag */
279 u32 local_pid:24, /* local port ID */
280 cisc:8; /* CIRO supported */
281 u8 fc_class; /* supported FC classes. enum fc_cos */
282 u8 vf_en; /* virtual fabric enable */
283 u16 vf_id; /* virtual fabric ID */
284 enum bfa_port_speed speed; /* Rport's current speed */
285 };
286
287 /*
288 * BFA rport data structure
289 */
290 struct bfa_rport_s {
291 struct list_head qe; /* queue element */
292 bfa_sm_t sm; /* state machine */
293 struct bfa_s *bfa; /* backpointer to BFA */
294 void *rport_drv; /* fcs/driver rport object */
295 u16 fw_handle; /* firmware rport handle */
296 u16 rport_tag; /* BFA rport tag */
297 u8 lun_mask; /* LUN mask flag */
298 struct bfa_rport_info_s rport_info; /* rport info from fcs/driver */
299 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
300 struct bfa_cb_qe_s hcb_qe; /* BFA callback qelem */
301 struct bfa_rport_hal_stats_s stats; /* BFA rport statistics */
302 struct bfa_rport_qos_attr_s qos_attr;
303 union a {
304 bfa_status_t status; /* f/w status */
305 void *fw_msg; /* QoS scn event */
306 } event_arg;
307 };
308 #define BFA_RPORT_FC_COS(_rport) ((_rport)->rport_info.fc_class)
309
310
311 /*
312 * UF - unsolicited receive related defines
313 */
314
315 #define BFA_UF_MIN (4)
316 #define BFA_UF_MAX (256)
317
318 struct bfa_uf_s {
319 struct list_head qe; /* queue element */
320 struct bfa_s *bfa; /* bfa instance */
321 u16 uf_tag; /* identifying tag fw msgs */
322 u16 vf_id;
323 u16 src_rport_handle;
324 u16 rsvd;
325 u8 *data_ptr;
326 u16 data_len; /* actual receive length */
327 u16 pb_len; /* posted buffer length */
328 void *buf_kva; /* buffer virtual address */
329 u64 buf_pa; /* buffer physical address */
330 struct bfa_cb_qe_s hcb_qe; /* comp: BFA comp qelem */
331 struct bfa_sge_s sges[BFI_SGE_INLINE_MAX];
332 };
333
334 /*
335 * Callback prototype for unsolicited frame receive handler.
336 *
337 * @param[in] cbarg callback arg for receive handler
338 * @param[in] uf unsolicited frame descriptor
339 *
340 * @return None
341 */
342 typedef void (*bfa_cb_uf_recv_t) (void *cbarg, struct bfa_uf_s *uf);
343
344 #define BFA_UF_BUFSZ (2 * 1024 + 256)
345
346 struct bfa_uf_buf_s {
347 u8 d[BFA_UF_BUFSZ];
348 };
349
350 #define BFA_PER_UF_DMA_SZ \
351 (u32)BFA_ROUNDUP(sizeof(struct bfa_uf_buf_s), BFA_DMA_ALIGN_SZ)
352
353 /* Max UF dma segs required */
354 #define BFA_UF_DMA_SEGS BFI_MEM_DMA_NSEGS(BFA_UF_MAX, BFA_PER_UF_DMA_SZ)
355
356 struct bfa_uf_mod_s {
357 struct bfa_s *bfa; /* back pointer to BFA */
358 struct bfa_uf_s *uf_list; /* array of UFs */
359 u16 num_ufs; /* num unsolicited rx frames */
360 struct list_head uf_free_q; /* free UFs */
361 struct list_head uf_posted_q; /* UFs posted to IOC */
362 struct list_head uf_unused_q; /* unused UF's */
363 struct bfi_uf_buf_post_s *uf_buf_posts;
364 /* pre-built UF post msgs */
365 bfa_cb_uf_recv_t ufrecv; /* uf recv handler function */
366 void *cbarg; /* uf receive handler arg */
367 struct bfa_mem_dma_s dma_seg[BFA_UF_DMA_SEGS];
368 struct bfa_mem_kva_s kva_seg;
369 };
370
371 #define BFA_UF_MOD(__bfa) (&(__bfa)->modules.uf_mod)
372 #define BFA_MEM_UF_KVA(__bfa) (&(BFA_UF_MOD(__bfa)->kva_seg))
373
374 #define ufm_pbs_pa(_ufmod, _uftag) \
375 bfa_mem_get_dmabuf_pa(_ufmod, _uftag, BFA_PER_UF_DMA_SZ)
376
377 void bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
378 void bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw);
379
380 /*
381 * LPS - bfa lport login/logout service interface
382 */
383 struct bfa_lps_s {
384 struct list_head qe; /* queue element */
385 struct bfa_s *bfa; /* parent bfa instance */
386 bfa_sm_t sm; /* finite state machine */
387 u8 bfa_tag; /* lport tag */
388 u8 fw_tag; /* lport fw tag */
389 u8 reqq; /* lport request queue */
390 u8 alpa; /* ALPA for loop topologies */
391 u32 lp_pid; /* lport port ID */
392 bfa_boolean_t fdisc; /* snd FDISC instead of FLOGI */
393 bfa_boolean_t auth_en; /* enable authentication */
394 bfa_boolean_t auth_req; /* authentication required */
395 bfa_boolean_t npiv_en; /* NPIV is allowed by peer */
396 bfa_boolean_t fport; /* attached peer is F_PORT */
397 bfa_boolean_t brcd_switch; /* attached peer is brcd sw */
398 bfa_status_t status; /* login status */
399 u16 pdusz; /* max receive PDU size */
400 u16 pr_bbcred; /* BB_CREDIT from peer */
401 u8 lsrjt_rsn; /* LSRJT reason */
402 u8 lsrjt_expl; /* LSRJT explanation */
403 u8 lun_mask; /* LUN mask flag */
404 wwn_t pwwn; /* port wwn of lport */
405 wwn_t nwwn; /* node wwn of lport */
406 wwn_t pr_pwwn; /* port wwn of lport peer */
407 wwn_t pr_nwwn; /* node wwn of lport peer */
408 mac_t lp_mac; /* fpma/spma MAC for lport */
409 mac_t fcf_mac; /* FCF MAC of lport */
410 struct bfa_reqq_wait_s wqe; /* request wait queue element */
411 void *uarg; /* user callback arg */
412 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */
413 struct bfi_lps_login_rsp_s *loginrsp;
414 bfa_eproto_status_t ext_status;
415 };
416
417 struct bfa_lps_mod_s {
418 struct list_head lps_free_q;
419 struct list_head lps_active_q;
420 struct list_head lps_login_q;
421 struct bfa_lps_s *lps_arr;
422 int num_lps;
423 struct bfa_mem_kva_s kva_seg;
424 };
425
426 #define BFA_LPS_MOD(__bfa) (&(__bfa)->modules.lps_mod)
427 #define BFA_LPS_FROM_TAG(__mod, __tag) (&(__mod)->lps_arr[__tag])
428 #define BFA_MEM_LPS_KVA(__bfa) (&(BFA_LPS_MOD(__bfa)->kva_seg))
429
430 /*
431 * external functions
432 */
433 void bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
434
435
436 /*
437 * FCPORT related defines
438 */
439
440 #define BFA_FCPORT(_bfa) (&((_bfa)->modules.port))
441
442 /*
443 * Link notification data structure
444 */
445 struct bfa_fcport_ln_s {
446 struct bfa_fcport_s *fcport;
447 bfa_sm_t sm;
448 struct bfa_cb_qe_s ln_qe; /* BFA callback queue elem for ln */
449 enum bfa_port_linkstate ln_event; /* ln event for callback */
450 };
451
452 struct bfa_fcport_trunk_s {
453 struct bfa_trunk_attr_s attr;
454 };
455
456 /*
457 * BFA FC port data structure
458 */
459 struct bfa_fcport_s {
460 struct bfa_s *bfa; /* parent BFA instance */
461 bfa_sm_t sm; /* port state machine */
462 wwn_t nwwn; /* node wwn of physical port */
463 wwn_t pwwn; /* port wwn of physical oprt */
464 enum bfa_port_speed speed_sup;
465 /* supported speeds */
466 enum bfa_port_speed speed; /* current speed */
467 enum bfa_port_topology topology; /* current topology */
468 u8 rsvd[3];
469 u8 myalpa; /* my ALPA in LOOP topology */
470 u8 alpabm_valid; /* alpa bitmap valid or not */
471 struct fc_alpabm_s alpabm; /* alpa bitmap */
472 struct bfa_port_cfg_s cfg; /* current port configuration */
473 bfa_boolean_t use_flash_cfg; /* get port cfg from flash */
474 struct bfa_qos_attr_s qos_attr; /* QoS Attributes */
475 struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */
476 struct bfa_reqq_wait_s reqq_wait;
477 /* to wait for room in reqq */
478 struct bfa_reqq_wait_s svcreq_wait;
479 /* to wait for room in reqq */
480 struct bfa_reqq_wait_s stats_reqq_wait;
481 /* to wait for room in reqq (stats) */
482 void *event_cbarg;
483 void (*event_cbfn) (void *cbarg,
484 enum bfa_port_linkstate event);
485 union {
486 union bfi_fcport_i2h_msg_u i2hmsg;
487 } event_arg;
488 void *bfad; /* BFA driver handle */
489 struct bfa_fcport_ln_s ln; /* Link Notification */
490 struct bfa_cb_qe_s hcb_qe; /* BFA callback queue elem */
491 struct bfa_timer_s timer; /* timer */
492 u32 msgtag; /* fimrware msg tag for reply */
493 u8 *stats_kva;
494 u64 stats_pa;
495 union bfa_fcport_stats_u *stats;
496 bfa_status_t stats_status; /* stats/statsclr status */
497 struct list_head stats_pending_q;
498 struct list_head statsclr_pending_q;
499 bfa_boolean_t stats_qfull;
500 time64_t stats_reset_time; /* stats reset time stamp */
501 bfa_boolean_t diag_busy; /* diag busy status */
502 bfa_boolean_t beacon; /* port beacon status */
503 bfa_boolean_t link_e2e_beacon; /* link beacon status */
504 struct bfa_fcport_trunk_s trunk;
505 u16 fcoe_vlan;
506 struct bfa_mem_dma_s fcport_dma;
507 bfa_boolean_t stats_dma_ready;
508 struct bfa_bbcr_attr_s bbcr_attr;
509 enum bfa_fec_state_s fec_state;
510 };
511
512 #define BFA_FCPORT_MOD(__bfa) (&(__bfa)->modules.fcport)
513 #define BFA_MEM_FCPORT_DMA(__bfa) (&(BFA_FCPORT_MOD(__bfa)->fcport_dma))
514
515 /*
516 * protected functions
517 */
518 void bfa_fcport_init(struct bfa_s *bfa);
519 void bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
520
521 /*
522 * bfa fcport API functions
523 */
524 bfa_status_t bfa_fcport_enable(struct bfa_s *bfa);
525 bfa_status_t bfa_fcport_disable(struct bfa_s *bfa);
526 bfa_status_t bfa_fcport_cfg_speed(struct bfa_s *bfa,
527 enum bfa_port_speed speed);
528 enum bfa_port_speed bfa_fcport_get_speed(struct bfa_s *bfa);
529 bfa_status_t bfa_fcport_cfg_topology(struct bfa_s *bfa,
530 enum bfa_port_topology topo);
531 enum bfa_port_topology bfa_fcport_get_topology(struct bfa_s *bfa);
532 enum bfa_port_topology bfa_fcport_get_cfg_topology(struct bfa_s *bfa);
533 bfa_status_t bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa);
534 bfa_boolean_t bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa);
535 u8 bfa_fcport_get_myalpa(struct bfa_s *bfa);
536 bfa_status_t bfa_fcport_clr_hardalpa(struct bfa_s *bfa);
537 bfa_status_t bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxsize);
538 u16 bfa_fcport_get_maxfrsize(struct bfa_s *bfa);
539 u8 bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa);
540 void bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr);
541 wwn_t bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node);
542 void bfa_fcport_event_register(struct bfa_s *bfa,
543 void (*event_cbfn) (void *cbarg,
544 enum bfa_port_linkstate event), void *event_cbarg);
545 bfa_boolean_t bfa_fcport_is_disabled(struct bfa_s *bfa);
546 bfa_boolean_t bfa_fcport_is_dport(struct bfa_s *bfa);
547 bfa_boolean_t bfa_fcport_is_ddport(struct bfa_s *bfa);
548 bfa_status_t bfa_fcport_set_qos_bw(struct bfa_s *bfa,
549 struct bfa_qos_bw_s *qos_bw);
550 enum bfa_port_speed bfa_fcport_get_ratelim_speed(struct bfa_s *bfa);
551
552 void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit);
553 bfa_boolean_t bfa_fcport_is_ratelim(struct bfa_s *bfa);
554 void bfa_fcport_beacon(void *dev, bfa_boolean_t beacon,
555 bfa_boolean_t link_e2e_beacon);
556 bfa_boolean_t bfa_fcport_is_linkup(struct bfa_s *bfa);
557 bfa_status_t bfa_fcport_get_stats(struct bfa_s *bfa,
558 struct bfa_cb_pending_q_s *cb);
559 bfa_status_t bfa_fcport_clear_stats(struct bfa_s *bfa,
560 struct bfa_cb_pending_q_s *cb);
561 bfa_boolean_t bfa_fcport_is_qos_enabled(struct bfa_s *bfa);
562 bfa_boolean_t bfa_fcport_is_trunk_enabled(struct bfa_s *bfa);
563 void bfa_fcport_dportenable(struct bfa_s *bfa);
564 void bfa_fcport_dportdisable(struct bfa_s *bfa);
565 bfa_status_t bfa_fcport_is_pbcdisabled(struct bfa_s *bfa);
566 void bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state);
567 bfa_status_t bfa_fcport_cfg_bbcr(struct bfa_s *bfa,
568 bfa_boolean_t on_off, u8 bb_scn);
569 bfa_status_t bfa_fcport_get_bbcr_attr(struct bfa_s *bfa,
570 struct bfa_bbcr_attr_s *bbcr_attr);
571
572 /*
573 * bfa rport API functions
574 */
575 struct bfa_rport_s *bfa_rport_create(struct bfa_s *bfa, void *rport_drv);
576 void bfa_rport_online(struct bfa_rport_s *rport,
577 struct bfa_rport_info_s *rport_info);
578 void bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed);
579 void bfa_cb_rport_online(void *rport);
580 void bfa_cb_rport_offline(void *rport);
581 void bfa_cb_rport_qos_scn_flowid(void *rport,
582 struct bfa_rport_qos_attr_s old_qos_attr,
583 struct bfa_rport_qos_attr_s new_qos_attr);
584 void bfa_cb_rport_scn_online(struct bfa_s *bfa);
585 void bfa_cb_rport_scn_offline(struct bfa_s *bfa);
586 void bfa_cb_rport_scn_no_dev(void *rp);
587 void bfa_cb_rport_qos_scn_prio(void *rport,
588 struct bfa_rport_qos_attr_s old_qos_attr,
589 struct bfa_rport_qos_attr_s new_qos_attr);
590
591 /*
592 * Rport LUN masking related
593 */
594 #define BFA_RPORT_TAG_INVALID 0xffff
595 #define BFA_LP_TAG_INVALID 0xff
596 void bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
597 void bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
598
599 /*
600 * bfa fcxp API functions
601 */
602 struct bfa_fcxp_s *bfa_fcxp_req_rsp_alloc(void *bfad_fcxp, struct bfa_s *bfa,
603 int nreq_sgles, int nrsp_sgles,
604 bfa_fcxp_get_sgaddr_t get_req_sga,
605 bfa_fcxp_get_sglen_t get_req_sglen,
606 bfa_fcxp_get_sgaddr_t get_rsp_sga,
607 bfa_fcxp_get_sglen_t get_rsp_sglen,
608 bfa_boolean_t req);
609 void bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
610 bfa_fcxp_alloc_cbfn_t alloc_cbfn,
611 void *cbarg, void *bfad_fcxp,
612 int nreq_sgles, int nrsp_sgles,
613 bfa_fcxp_get_sgaddr_t get_req_sga,
614 bfa_fcxp_get_sglen_t get_req_sglen,
615 bfa_fcxp_get_sgaddr_t get_rsp_sga,
616 bfa_fcxp_get_sglen_t get_rsp_sglen,
617 bfa_boolean_t req);
618 void bfa_fcxp_walloc_cancel(struct bfa_s *bfa,
619 struct bfa_fcxp_wqe_s *wqe);
620 void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp);
621
622 void *bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp);
623 void *bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp);
624
625 void bfa_fcxp_free(struct bfa_fcxp_s *fcxp);
626
627 void bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
628 u16 vf_id, u8 lp_tag,
629 bfa_boolean_t cts, enum fc_cos cos,
630 u32 reqlen, struct fchs_s *fchs,
631 bfa_cb_fcxp_send_t cbfn,
632 void *cbarg,
633 u32 rsp_maxlen, u8 rsp_timeout);
634 bfa_status_t bfa_fcxp_abort(struct bfa_fcxp_s *fcxp);
635 u32 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp);
636 u32 bfa_fcxp_get_maxrsp(struct bfa_s *bfa);
637 void bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw);
638
639 static inline void *
640 bfa_uf_get_frmbuf(struct bfa_uf_s *uf)
641 {
642 return uf->data_ptr;
643 }
644
645 static inline u16
646 bfa_uf_get_frmlen(struct bfa_uf_s *uf)
647 {
648 return uf->data_len;
649 }
650
651 /*
652 * bfa uf API functions
653 */
654 void bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv,
655 void *cbarg);
656 void bfa_uf_free(struct bfa_uf_s *uf);
657
658 /*
659 * bfa lport service api
660 */
661
662 u32 bfa_lps_get_max_vport(struct bfa_s *bfa);
663 struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa);
664 void bfa_lps_delete(struct bfa_lps_s *lps);
665 void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa,
666 u16 pdusz, wwn_t pwwn, wwn_t nwwn,
667 bfa_boolean_t auth_en);
668 void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz,
669 wwn_t pwwn, wwn_t nwwn);
670 void bfa_lps_fdisclogo(struct bfa_lps_s *lps);
671 void bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, u32 n2n_pid);
672 u8 bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag);
673 u32 bfa_lps_get_base_pid(struct bfa_s *bfa);
674 u8 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid);
675 void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status);
676 void bfa_cb_lps_flogo_comp(void *bfad, void *uarg);
677 void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status);
678 void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg);
679 void bfa_cb_lps_cvl_event(void *bfad, void *uarg);
680
681 /* FAA specific APIs */
682 bfa_status_t bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr,
683 bfa_cb_iocfc_t cbfn, void *cbarg);
684
685 /*
686 * FC DIAG data structure
687 */
688 struct bfa_fcdiag_qtest_s {
689 struct bfa_diag_qtest_result_s *result;
690 bfa_cb_diag_t cbfn;
691 void *cbarg;
692 struct bfa_timer_s timer;
693 u32 status;
694 u32 count;
695 u8 lock;
696 u8 queue;
697 u8 all;
698 u8 timer_active;
699 };
700
701 struct bfa_fcdiag_lb_s {
702 bfa_cb_diag_t cbfn;
703 void *cbarg;
704 void *result;
705 bfa_boolean_t lock;
706 u32 status;
707 };
708
709 struct bfa_dport_s {
710 struct bfa_s *bfa; /* Back pointer to BFA */
711 bfa_sm_t sm; /* finite state machine */
712 struct bfa_reqq_wait_s reqq_wait;
713 bfa_cb_diag_t cbfn;
714 void *cbarg;
715 union bfi_diag_dport_msg_u i2hmsg;
716 u8 test_state; /* enum dport_test_state */
717 u8 dynamic; /* boolean_t */
718 u8 rsvd[2];
719 u32 lpcnt;
720 u32 payload; /* user defined payload pattern */
721 wwn_t rp_pwwn;
722 wwn_t rp_nwwn;
723 struct bfa_diag_dport_result_s result;
724 };
725
726 struct bfa_fcdiag_s {
727 struct bfa_s *bfa; /* Back pointer to BFA */
728 struct bfa_trc_mod_s *trcmod;
729 struct bfa_fcdiag_lb_s lb;
730 struct bfa_fcdiag_qtest_s qtest;
731 struct bfa_dport_s dport;
732 };
733
734 #define BFA_FCDIAG_MOD(__bfa) (&(__bfa)->modules.fcdiag)
735
736 void bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg);
737
738 bfa_status_t bfa_fcdiag_loopback(struct bfa_s *bfa,
739 enum bfa_port_opmode opmode,
740 enum bfa_port_speed speed, u32 lpcnt, u32 pat,
741 struct bfa_diag_loopback_result_s *result,
742 bfa_cb_diag_t cbfn, void *cbarg);
743 bfa_status_t bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 ignore,
744 u32 queue, struct bfa_diag_qtest_result_s *result,
745 bfa_cb_diag_t cbfn, void *cbarg);
746 bfa_status_t bfa_fcdiag_lb_is_running(struct bfa_s *bfa);
747 bfa_status_t bfa_dport_enable(struct bfa_s *bfa, u32 lpcnt, u32 pat,
748 bfa_cb_diag_t cbfn, void *cbarg);
749 bfa_status_t bfa_dport_disable(struct bfa_s *bfa, bfa_cb_diag_t cbfn,
750 void *cbarg);
751 bfa_status_t bfa_dport_start(struct bfa_s *bfa, u32 lpcnt, u32 pat,
752 bfa_cb_diag_t cbfn, void *cbarg);
753 bfa_status_t bfa_dport_show(struct bfa_s *bfa,
754 struct bfa_diag_dport_result_s *result);
755
756 #endif /* __BFA_SVC_H__ */
Linux with added FPC-III support