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Merge remote-tracking branch 'moduleh/module.h-split'
[linux-2.6/next.git] / drivers / scsi / bfa / bfa_svc.h
blob95adb86d3769d477bdbf0b652aa704621eca665b
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 __BFA_SVC_H__
19 #define __BFA_SVC_H__
20
21 #include "bfa_cs.h"
22 #include "bfi_ms.h"
23
24
25 /*
26 * Scatter-gather DMA related defines
27 */
28 #define BFA_SGPG_MIN (16)
29 #define BFA_SGPG_MAX (8192)
30
31 /*
32 * Alignment macro for SG page allocation
33 */
34 #define BFA_SGPG_ROUNDUP(_l) (((_l) + (sizeof(struct bfi_sgpg_s) - 1)) \
35 & ~(sizeof(struct bfi_sgpg_s) - 1))
36
37 struct bfa_sgpg_wqe_s {
38 struct list_head qe; /* queue sg page element */
39 int nsgpg; /* pages to be allocated */
40 int nsgpg_total; /* total pages required */
41 void (*cbfn) (void *cbarg); /* callback function */
42 void *cbarg; /* callback arg */
43 struct list_head sgpg_q; /* queue of alloced sgpgs */
44 };
45
46 struct bfa_sgpg_s {
47 struct list_head qe; /* queue sg page element */
48 struct bfi_sgpg_s *sgpg; /* va of SG page */
49 union bfi_addr_u sgpg_pa; /* pa of SG page */
50 };
51
52 /*
53 * Given number of SG elements, BFA_SGPG_NPAGE() returns the number of
54 * SG pages required.
55 */
56 #define BFA_SGPG_NPAGE(_nsges) (((_nsges) / BFI_SGPG_DATA_SGES) + 1)
57
58 /* Max SGPG dma segs required */
59 #define BFA_SGPG_DMA_SEGS \
60 BFI_MEM_DMA_NSEGS(BFA_SGPG_MAX, (uint32_t)sizeof(struct bfi_sgpg_s))
61
62 struct bfa_sgpg_mod_s {
63 struct bfa_s *bfa;
64 int num_sgpgs; /* number of SG pages */
65 int free_sgpgs; /* number of free SG pages */
66 struct list_head sgpg_q; /* queue of free SG pages */
67 struct list_head sgpg_wait_q; /* wait queue for SG pages */
68 struct bfa_mem_dma_s dma_seg[BFA_SGPG_DMA_SEGS];
69 struct bfa_mem_kva_s kva_seg;
70 };
71 #define BFA_SGPG_MOD(__bfa) (&(__bfa)->modules.sgpg_mod)
72 #define BFA_MEM_SGPG_KVA(__bfa) (&(BFA_SGPG_MOD(__bfa)->kva_seg))
73
74 bfa_status_t bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q,
75 int nsgpgs);
76 void bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs);
77 void bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe,
78 void (*cbfn) (void *cbarg), void *cbarg);
79 void bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpgs);
80 void bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe);
81
82
83 /*
84 * FCXP related defines
85 */
86 #define BFA_FCXP_MIN (1)
87 #define BFA_FCXP_MAX (256)
88 #define BFA_FCXP_MAX_IBUF_SZ (2 * 1024 + 256)
89 #define BFA_FCXP_MAX_LBUF_SZ (4 * 1024 + 256)
90
91 /* Max FCXP dma segs required */
92 #define BFA_FCXP_DMA_SEGS \
93 BFI_MEM_DMA_NSEGS(BFA_FCXP_MAX, \
94 (u32)BFA_FCXP_MAX_IBUF_SZ + BFA_FCXP_MAX_LBUF_SZ)
95
96 struct bfa_fcxp_mod_s {
97 struct bfa_s *bfa; /* backpointer to BFA */
98 struct bfa_fcxp_s *fcxp_list; /* array of FCXPs */
99 u16 num_fcxps; /* max num FCXP requests */
100 struct list_head fcxp_free_q; /* free FCXPs */
101 struct list_head fcxp_active_q; /* active FCXPs */
102 struct list_head wait_q; /* wait queue for free fcxp */
103 struct list_head fcxp_unused_q; /* unused fcxps */
104 u32 req_pld_sz;
105 u32 rsp_pld_sz;
106 struct bfa_mem_dma_s dma_seg[BFA_FCXP_DMA_SEGS];
107 struct bfa_mem_kva_s kva_seg;
108 };
109
110 #define BFA_FCXP_MOD(__bfa) (&(__bfa)->modules.fcxp_mod)
111 #define BFA_FCXP_FROM_TAG(__mod, __tag) (&(__mod)->fcxp_list[__tag])
112 #define BFA_MEM_FCXP_KVA(__bfa) (&(BFA_FCXP_MOD(__bfa)->kva_seg))
113
114 typedef void (*fcxp_send_cb_t) (struct bfa_s *ioc, struct bfa_fcxp_s *fcxp,
115 void *cb_arg, bfa_status_t req_status,
116 u32 rsp_len, u32 resid_len,
117 struct fchs_s *rsp_fchs);
118
119 typedef u64 (*bfa_fcxp_get_sgaddr_t) (void *bfad_fcxp, int sgeid);
120 typedef u32 (*bfa_fcxp_get_sglen_t) (void *bfad_fcxp, int sgeid);
121 typedef void (*bfa_cb_fcxp_send_t) (void *bfad_fcxp, struct bfa_fcxp_s *fcxp,
122 void *cbarg, enum bfa_status req_status,
123 u32 rsp_len, u32 resid_len,
124 struct fchs_s *rsp_fchs);
125 typedef void (*bfa_fcxp_alloc_cbfn_t) (void *cbarg, struct bfa_fcxp_s *fcxp);
126
127
128
129 /*
130 * Information needed for a FCXP request
131 */
132 struct bfa_fcxp_req_info_s {
133 struct bfa_rport_s *bfa_rport;
134 /* Pointer to the bfa rport that was
135 * returned from bfa_rport_create().
136 * This could be left NULL for WKA or
137 * for FCXP interactions before the
138 * rport nexus is established
139 */
140 struct fchs_s fchs; /* request FC header structure */
141 u8 cts; /* continuous sequence */
142 u8 class; /* FC class for the request/response */
143 u16 max_frmsz; /* max send frame size */
144 u16 vf_id; /* vsan tag if applicable */
145 u8 lp_tag; /* lport tag */
146 u32 req_tot_len; /* request payload total length */
147 };
148
149 struct bfa_fcxp_rsp_info_s {
150 struct fchs_s rsp_fchs;
151 /* Response frame's FC header will
152 * be sent back in this field */
153 u8 rsp_timeout;
154 /* timeout in seconds, 0-no response */
155 u8 rsvd2[3];
156 u32 rsp_maxlen; /* max response length expected */
157 };
158
159 struct bfa_fcxp_s {
160 struct list_head qe; /* fcxp queue element */
161 bfa_sm_t sm; /* state machine */
162 void *caller; /* driver or fcs */
163 struct bfa_fcxp_mod_s *fcxp_mod;
164 /* back pointer to fcxp mod */
165 u16 fcxp_tag; /* internal tag */
166 struct bfa_fcxp_req_info_s req_info;
167 /* request info */
168 struct bfa_fcxp_rsp_info_s rsp_info;
169 /* response info */
170 u8 use_ireqbuf; /* use internal req buf */
171 u8 use_irspbuf; /* use internal rsp buf */
172 u32 nreq_sgles; /* num request SGLEs */
173 u32 nrsp_sgles; /* num response SGLEs */
174 struct list_head req_sgpg_q; /* SG pages for request buf */
175 struct list_head req_sgpg_wqe; /* wait queue for req SG page */
176 struct list_head rsp_sgpg_q; /* SG pages for response buf */
177 struct list_head rsp_sgpg_wqe; /* wait queue for rsp SG page */
178
179 bfa_fcxp_get_sgaddr_t req_sga_cbfn;
180 /* SG elem addr user function */
181 bfa_fcxp_get_sglen_t req_sglen_cbfn;
182 /* SG elem len user function */
183 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn;
184 /* SG elem addr user function */
185 bfa_fcxp_get_sglen_t rsp_sglen_cbfn;
186 /* SG elem len user function */
187 bfa_cb_fcxp_send_t send_cbfn; /* send completion callback */
188 void *send_cbarg; /* callback arg */
189 struct bfa_sge_s req_sge[BFA_FCXP_MAX_SGES];
190 /* req SG elems */
191 struct bfa_sge_s rsp_sge[BFA_FCXP_MAX_SGES];
192 /* rsp SG elems */
193 u8 rsp_status; /* comp: rsp status */
194 u32 rsp_len; /* comp: actual response len */
195 u32 residue_len; /* comp: residual rsp length */
196 struct fchs_s rsp_fchs; /* comp: response fchs */
197 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */
198 struct bfa_reqq_wait_s reqq_wqe;
199 bfa_boolean_t reqq_waiting;
200 };
201
202 struct bfa_fcxp_wqe_s {
203 struct list_head qe;
204 bfa_fcxp_alloc_cbfn_t alloc_cbfn;
205 void *alloc_cbarg;
206 void *caller;
207 struct bfa_s *bfa;
208 int nreq_sgles;
209 int nrsp_sgles;
210 bfa_fcxp_get_sgaddr_t req_sga_cbfn;
211 bfa_fcxp_get_sglen_t req_sglen_cbfn;
212 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn;
213 bfa_fcxp_get_sglen_t rsp_sglen_cbfn;
214 };
215
216 #define BFA_FCXP_REQ_PLD(_fcxp) (bfa_fcxp_get_reqbuf(_fcxp))
217 #define BFA_FCXP_RSP_FCHS(_fcxp) (&((_fcxp)->rsp_info.fchs))
218 #define BFA_FCXP_RSP_PLD(_fcxp) (bfa_fcxp_get_rspbuf(_fcxp))
219
220 #define BFA_FCXP_REQ_PLD_PA(_fcxp) \
221 bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag, \
222 (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz)
223
224 /* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */
225 #define BFA_FCXP_RSP_PLD_PA(_fcxp) \
226 (bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag, \
227 (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz) + \
228 (_fcxp)->fcxp_mod->req_pld_sz)
229
230 void bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
231
232
233 /*
234 * RPORT related defines
235 */
236 enum bfa_rport_event {
237 BFA_RPORT_SM_CREATE = 1, /* rport create event */
238 BFA_RPORT_SM_DELETE = 2, /* deleting an existing rport */
239 BFA_RPORT_SM_ONLINE = 3, /* rport is online */
240 BFA_RPORT_SM_OFFLINE = 4, /* rport is offline */
241 BFA_RPORT_SM_FWRSP = 5, /* firmware response */
242 BFA_RPORT_SM_HWFAIL = 6, /* IOC h/w failure */
243 BFA_RPORT_SM_QOS_SCN = 7, /* QoS SCN from firmware */
244 BFA_RPORT_SM_SET_SPEED = 8, /* Set Rport Speed */
245 BFA_RPORT_SM_QRESUME = 9, /* space in requeue queue */
246 };
247
248 #define BFA_RPORT_MIN 4
249
250 struct bfa_rport_mod_s {
251 struct bfa_rport_s *rps_list; /* list of rports */
252 struct list_head rp_free_q; /* free bfa_rports */
253 struct list_head rp_active_q; /* free bfa_rports */
254 struct list_head rp_unused_q; /* unused bfa rports */
255 u16 num_rports; /* number of rports */
256 struct bfa_mem_kva_s kva_seg;
257 };
258
259 #define BFA_RPORT_MOD(__bfa) (&(__bfa)->modules.rport_mod)
260 #define BFA_MEM_RPORT_KVA(__bfa) (&(BFA_RPORT_MOD(__bfa)->kva_seg))
261
262 /*
263 * Convert rport tag to RPORT
264 */
265 #define BFA_RPORT_FROM_TAG(__bfa, _tag) \
266 (BFA_RPORT_MOD(__bfa)->rps_list + \
267 ((_tag) & (BFA_RPORT_MOD(__bfa)->num_rports - 1)))
268
269 /*
270 * protected functions
271 */
272 void bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
273 void bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw);
274
275 /*
276 * BFA rport information.
277 */
278 struct bfa_rport_info_s {
279 u16 max_frmsz; /* max rcv pdu size */
280 u32 pid:24, /* remote port ID */
281 lp_tag:8; /* tag */
282 u32 local_pid:24, /* local port ID */
283 cisc:8; /* CIRO supported */
284 u8 fc_class; /* supported FC classes. enum fc_cos */
285 u8 vf_en; /* virtual fabric enable */
286 u16 vf_id; /* virtual fabric ID */
287 enum bfa_port_speed speed; /* Rport's current speed */
288 };
289
290 /*
291 * BFA rport data structure
292 */
293 struct bfa_rport_s {
294 struct list_head qe; /* queue element */
295 bfa_sm_t sm; /* state machine */
296 struct bfa_s *bfa; /* backpointer to BFA */
297 void *rport_drv; /* fcs/driver rport object */
298 u16 fw_handle; /* firmware rport handle */
299 u16 rport_tag; /* BFA rport tag */
300 u8 lun_mask; /* LUN mask flag */
301 struct bfa_rport_info_s rport_info; /* rport info from fcs/driver */
302 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
303 struct bfa_cb_qe_s hcb_qe; /* BFA callback qelem */
304 struct bfa_rport_hal_stats_s stats; /* BFA rport statistics */
305 struct bfa_rport_qos_attr_s qos_attr;
306 union a {
307 bfa_status_t status; /* f/w status */
308 void *fw_msg; /* QoS scn event */
309 } event_arg;
310 };
311 #define BFA_RPORT_FC_COS(_rport) ((_rport)->rport_info.fc_class)
312
313
314 /*
315 * UF - unsolicited receive related defines
316 */
317
318 #define BFA_UF_MIN (4)
319 #define BFA_UF_MAX (256)
320
321 struct bfa_uf_s {
322 struct list_head qe; /* queue element */
323 struct bfa_s *bfa; /* bfa instance */
324 u16 uf_tag; /* identifying tag fw msgs */
325 u16 vf_id;
326 u16 src_rport_handle;
327 u16 rsvd;
328 u8 *data_ptr;
329 u16 data_len; /* actual receive length */
330 u16 pb_len; /* posted buffer length */
331 void *buf_kva; /* buffer virtual address */
332 u64 buf_pa; /* buffer physical address */
333 struct bfa_cb_qe_s hcb_qe; /* comp: BFA comp qelem */
334 struct bfa_sge_s sges[BFI_SGE_INLINE_MAX];
335 };
336
337 /*
338 * Callback prototype for unsolicited frame receive handler.
339 *
340 * @param[in] cbarg callback arg for receive handler
341 * @param[in] uf unsolicited frame descriptor
342 *
343 * @return None
344 */
345 typedef void (*bfa_cb_uf_recv_t) (void *cbarg, struct bfa_uf_s *uf);
346
347 #define BFA_UF_BUFSZ (2 * 1024 + 256)
348
349 struct bfa_uf_buf_s {
350 u8 d[BFA_UF_BUFSZ];
351 };
352
353 #define BFA_PER_UF_DMA_SZ \
354 (u32)BFA_ROUNDUP(sizeof(struct bfa_uf_buf_s), BFA_DMA_ALIGN_SZ)
355
356 /* Max UF dma segs required */
357 #define BFA_UF_DMA_SEGS BFI_MEM_DMA_NSEGS(BFA_UF_MAX, BFA_PER_UF_DMA_SZ)
358
359 struct bfa_uf_mod_s {
360 struct bfa_s *bfa; /* back pointer to BFA */
361 struct bfa_uf_s *uf_list; /* array of UFs */
362 u16 num_ufs; /* num unsolicited rx frames */
363 struct list_head uf_free_q; /* free UFs */
364 struct list_head uf_posted_q; /* UFs posted to IOC */
365 struct list_head uf_unused_q; /* unused UF's */
366 struct bfi_uf_buf_post_s *uf_buf_posts;
367 /* pre-built UF post msgs */
368 bfa_cb_uf_recv_t ufrecv; /* uf recv handler function */
369 void *cbarg; /* uf receive handler arg */
370 struct bfa_mem_dma_s dma_seg[BFA_UF_DMA_SEGS];
371 struct bfa_mem_kva_s kva_seg;
372 };
373
374 #define BFA_UF_MOD(__bfa) (&(__bfa)->modules.uf_mod)
375 #define BFA_MEM_UF_KVA(__bfa) (&(BFA_UF_MOD(__bfa)->kva_seg))
376
377 #define ufm_pbs_pa(_ufmod, _uftag) \
378 bfa_mem_get_dmabuf_pa(_ufmod, _uftag, BFA_PER_UF_DMA_SZ)
379
380 void bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
381 void bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw);
382
383 /*
384 * LPS - bfa lport login/logout service interface
385 */
386 struct bfa_lps_s {
387 struct list_head qe; /* queue element */
388 struct bfa_s *bfa; /* parent bfa instance */
389 bfa_sm_t sm; /* finite state machine */
390 u8 bfa_tag; /* lport tag */
391 u8 fw_tag; /* lport fw tag */
392 u8 reqq; /* lport request queue */
393 u8 alpa; /* ALPA for loop topologies */
394 u32 lp_pid; /* lport port ID */
395 bfa_boolean_t fdisc; /* snd FDISC instead of FLOGI */
396 bfa_boolean_t auth_en; /* enable authentication */
397 bfa_boolean_t auth_req; /* authentication required */
398 bfa_boolean_t npiv_en; /* NPIV is allowed by peer */
399 bfa_boolean_t fport; /* attached peer is F_PORT */
400 bfa_boolean_t brcd_switch; /* attached peer is brcd sw */
401 bfa_status_t status; /* login status */
402 u16 pdusz; /* max receive PDU size */
403 u16 pr_bbcred; /* BB_CREDIT from peer */
404 u8 pr_bbscn; /* BB_SCN from peer */
405 u8 bb_scn; /* local BB_SCN */
406 u8 lsrjt_rsn; /* LSRJT reason */
407 u8 lsrjt_expl; /* LSRJT explanation */
408 u8 lun_mask; /* LUN mask flag */
409 wwn_t pwwn; /* port wwn of lport */
410 wwn_t nwwn; /* node wwn of lport */
411 wwn_t pr_pwwn; /* port wwn of lport peer */
412 wwn_t pr_nwwn; /* node wwn of lport peer */
413 mac_t lp_mac; /* fpma/spma MAC for lport */
414 mac_t fcf_mac; /* FCF MAC of lport */
415 struct bfa_reqq_wait_s wqe; /* request wait queue element */
416 void *uarg; /* user callback arg */
417 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */
418 struct bfi_lps_login_rsp_s *loginrsp;
419 bfa_eproto_status_t ext_status;
420 };
421
422 struct bfa_lps_mod_s {
423 struct list_head lps_free_q;
424 struct list_head lps_active_q;
425 struct list_head lps_login_q;
426 struct bfa_lps_s *lps_arr;
427 int num_lps;
428 struct bfa_mem_kva_s kva_seg;
429 };
430
431 #define BFA_LPS_MOD(__bfa) (&(__bfa)->modules.lps_mod)
432 #define BFA_LPS_FROM_TAG(__mod, __tag) (&(__mod)->lps_arr[__tag])
433 #define BFA_MEM_LPS_KVA(__bfa) (&(BFA_LPS_MOD(__bfa)->kva_seg))
434
435 /*
436 * external functions
437 */
438 void bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
439
440
441 /*
442 * FCPORT related defines
443 */
444
445 #define BFA_FCPORT(_bfa) (&((_bfa)->modules.port))
446
447 /*
448 * Link notification data structure
449 */
450 struct bfa_fcport_ln_s {
451 struct bfa_fcport_s *fcport;
452 bfa_sm_t sm;
453 struct bfa_cb_qe_s ln_qe; /* BFA callback queue elem for ln */
454 enum bfa_port_linkstate ln_event; /* ln event for callback */
455 };
456
457 struct bfa_fcport_trunk_s {
458 struct bfa_trunk_attr_s attr;
459 };
460
461 /*
462 * BFA FC port data structure
463 */
464 struct bfa_fcport_s {
465 struct bfa_s *bfa; /* parent BFA instance */
466 bfa_sm_t sm; /* port state machine */
467 wwn_t nwwn; /* node wwn of physical port */
468 wwn_t pwwn; /* port wwn of physical oprt */
469 enum bfa_port_speed speed_sup;
470 /* supported speeds */
471 enum bfa_port_speed speed; /* current speed */
472 enum bfa_port_topology topology; /* current topology */
473 u8 myalpa; /* my ALPA in LOOP topology */
474 u8 rsvd[3];
475 struct bfa_port_cfg_s cfg; /* current port configuration */
476 bfa_boolean_t use_flash_cfg; /* get port cfg from flash */
477 struct bfa_qos_attr_s qos_attr; /* QoS Attributes */
478 struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */
479 struct bfa_reqq_wait_s reqq_wait;
480 /* to wait for room in reqq */
481 struct bfa_reqq_wait_s svcreq_wait;
482 /* to wait for room in reqq */
483 struct bfa_reqq_wait_s stats_reqq_wait;
484 /* to wait for room in reqq (stats) */
485 void *event_cbarg;
486 void (*event_cbfn) (void *cbarg,
487 enum bfa_port_linkstate event);
488 union {
489 union bfi_fcport_i2h_msg_u i2hmsg;
490 } event_arg;
491 void *bfad; /* BFA driver handle */
492 struct bfa_fcport_ln_s ln; /* Link Notification */
493 struct bfa_cb_qe_s hcb_qe; /* BFA callback queue elem */
494 struct bfa_timer_s timer; /* timer */
495 u32 msgtag; /* fimrware msg tag for reply */
496 u8 *stats_kva;
497 u64 stats_pa;
498 union bfa_fcport_stats_u *stats;
499 bfa_status_t stats_status; /* stats/statsclr status */
500 struct list_head stats_pending_q;
501 struct list_head statsclr_pending_q;
502 bfa_boolean_t stats_qfull;
503 u32 stats_reset_time; /* stats reset time stamp */
504 bfa_boolean_t diag_busy; /* diag busy status */
505 bfa_boolean_t beacon; /* port beacon status */
506 bfa_boolean_t link_e2e_beacon; /* link beacon status */
507 bfa_boolean_t bbsc_op_state; /* Cred recov Oper State */
508 struct bfa_fcport_trunk_s trunk;
509 u16 fcoe_vlan;
510 struct bfa_mem_dma_s fcport_dma;
511 };
512
513 #define BFA_FCPORT_MOD(__bfa) (&(__bfa)->modules.fcport)
514 #define BFA_MEM_FCPORT_DMA(__bfa) (&(BFA_FCPORT_MOD(__bfa)->fcport_dma))
515
516 /*
517 * protected functions
518 */
519 void bfa_fcport_init(struct bfa_s *bfa);
520 void bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
521
522 /*
523 * bfa fcport API functions
524 */
525 bfa_status_t bfa_fcport_enable(struct bfa_s *bfa);
526 bfa_status_t bfa_fcport_disable(struct bfa_s *bfa);
527 bfa_status_t bfa_fcport_cfg_speed(struct bfa_s *bfa,
528 enum bfa_port_speed speed);
529 enum bfa_port_speed bfa_fcport_get_speed(struct bfa_s *bfa);
530 bfa_status_t bfa_fcport_cfg_topology(struct bfa_s *bfa,
531 enum bfa_port_topology topo);
532 enum bfa_port_topology bfa_fcport_get_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 enum bfa_port_speed bfa_fcport_get_ratelim_speed(struct bfa_s *bfa);
547
548 void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit, u8 bb_scn);
549 bfa_boolean_t bfa_fcport_is_ratelim(struct bfa_s *bfa);
550 void bfa_fcport_beacon(void *dev, bfa_boolean_t beacon,
551 bfa_boolean_t link_e2e_beacon);
552 bfa_boolean_t bfa_fcport_is_linkup(struct bfa_s *bfa);
553 bfa_status_t bfa_fcport_get_stats(struct bfa_s *bfa,
554 struct bfa_cb_pending_q_s *cb);
555 bfa_status_t bfa_fcport_clear_stats(struct bfa_s *bfa,
556 struct bfa_cb_pending_q_s *cb);
557 bfa_boolean_t bfa_fcport_is_qos_enabled(struct bfa_s *bfa);
558 bfa_boolean_t bfa_fcport_is_trunk_enabled(struct bfa_s *bfa);
559 bfa_status_t bfa_fcport_is_pbcdisabled(struct bfa_s *bfa);
560 void bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state);
561
562 /*
563 * bfa rport API functions
564 */
565 struct bfa_rport_s *bfa_rport_create(struct bfa_s *bfa, void *rport_drv);
566 void bfa_rport_online(struct bfa_rport_s *rport,
567 struct bfa_rport_info_s *rport_info);
568 void bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed);
569 void bfa_cb_rport_online(void *rport);
570 void bfa_cb_rport_offline(void *rport);
571 void bfa_cb_rport_qos_scn_flowid(void *rport,
572 struct bfa_rport_qos_attr_s old_qos_attr,
573 struct bfa_rport_qos_attr_s new_qos_attr);
574 void bfa_cb_rport_qos_scn_prio(void *rport,
575 struct bfa_rport_qos_attr_s old_qos_attr,
576 struct bfa_rport_qos_attr_s new_qos_attr);
577
578 /*
579 * Rport LUN masking related
580 */
581 #define BFA_RPORT_TAG_INVALID 0xffff
582 #define BFA_LP_TAG_INVALID 0xff
583 void bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
584 void bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
585 bfa_boolean_t bfa_rport_lunmask_active(struct bfa_rport_s *rp);
586 wwn_t bfa_rport_get_pwwn(struct bfa_s *bfa, struct bfa_rport_s *rp);
587 struct bfa_rport_s *bfa_rport_get_by_wwn(struct bfa_s *bfa, u16 vf_id,
588 wwn_t *lpwwn, wwn_t rpwwn);
589 void *bfa_cb_get_rp_by_wwn(void *arg, u16 vf_id, wwn_t *lpwwn, wwn_t rpwwn);
590
591 /*
592 * bfa fcxp API functions
593 */
594 struct bfa_fcxp_s *bfa_fcxp_alloc(void *bfad_fcxp, struct bfa_s *bfa,
595 int nreq_sgles, int nrsp_sgles,
596 bfa_fcxp_get_sgaddr_t get_req_sga,
597 bfa_fcxp_get_sglen_t get_req_sglen,
598 bfa_fcxp_get_sgaddr_t get_rsp_sga,
599 bfa_fcxp_get_sglen_t get_rsp_sglen);
600 void bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
601 bfa_fcxp_alloc_cbfn_t alloc_cbfn,
602 void *cbarg, void *bfad_fcxp,
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 void bfa_fcxp_walloc_cancel(struct bfa_s *bfa,
609 struct bfa_fcxp_wqe_s *wqe);
610 void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp);
611
612 void *bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp);
613 void *bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp);
614
615 void bfa_fcxp_free(struct bfa_fcxp_s *fcxp);
616
617 void bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
618 u16 vf_id, u8 lp_tag,
619 bfa_boolean_t cts, enum fc_cos cos,
620 u32 reqlen, struct fchs_s *fchs,
621 bfa_cb_fcxp_send_t cbfn,
622 void *cbarg,
623 u32 rsp_maxlen, u8 rsp_timeout);
624 bfa_status_t bfa_fcxp_abort(struct bfa_fcxp_s *fcxp);
625 u32 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp);
626 u32 bfa_fcxp_get_maxrsp(struct bfa_s *bfa);
627 void bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw);
628
629 static inline void *
630 bfa_uf_get_frmbuf(struct bfa_uf_s *uf)
631 {
632 return uf->data_ptr;
633 }
634
635 static inline u16
636 bfa_uf_get_frmlen(struct bfa_uf_s *uf)
637 {
638 return uf->data_len;
639 }
640
641 /*
642 * bfa uf API functions
643 */
644 void bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv,
645 void *cbarg);
646 void bfa_uf_free(struct bfa_uf_s *uf);
647
648 /*
649 * bfa lport service api
650 */
651
652 u32 bfa_lps_get_max_vport(struct bfa_s *bfa);
653 struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa);
654 void bfa_lps_delete(struct bfa_lps_s *lps);
655 void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa,
656 u16 pdusz, wwn_t pwwn, wwn_t nwwn,
657 bfa_boolean_t auth_en, u8 bb_scn);
658 void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz,
659 wwn_t pwwn, wwn_t nwwn);
660 void bfa_lps_fdisclogo(struct bfa_lps_s *lps);
661 void bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, u32 n2n_pid);
662 u8 bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag);
663 u32 bfa_lps_get_base_pid(struct bfa_s *bfa);
664 u8 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid);
665 void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status);
666 void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status);
667 void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg);
668 void bfa_cb_lps_cvl_event(void *bfad, void *uarg);
669
670 /* FAA specific APIs */
671 bfa_status_t bfa_faa_enable(struct bfa_s *bfa,
672 bfa_cb_iocfc_t cbfn, void *cbarg);
673 bfa_status_t bfa_faa_disable(struct bfa_s *bfa,
674 bfa_cb_iocfc_t cbfn, void *cbarg);
675 bfa_status_t bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr,
676 bfa_cb_iocfc_t cbfn, void *cbarg);
677
678 /*
679 * FC DIAG data structure
680 */
681 struct bfa_fcdiag_qtest_s {
682 struct bfa_diag_qtest_result_s *result;
683 bfa_cb_diag_t cbfn;
684 void *cbarg;
685 struct bfa_timer_s timer;
686 u32 status;
687 u32 count;
688 u8 lock;
689 u8 queue;
690 u8 all;
691 u8 timer_active;
692 };
693
694 struct bfa_fcdiag_lb_s {
695 bfa_cb_diag_t cbfn;
696 void *cbarg;
697 void *result;
698 bfa_boolean_t lock;
699 u32 status;
700 };
701
702 struct bfa_fcdiag_s {
703 struct bfa_s *bfa; /* Back pointer to BFA */
704 struct bfa_trc_mod_s *trcmod;
705 struct bfa_fcdiag_lb_s lb;
706 struct bfa_fcdiag_qtest_s qtest;
707 };
708
709 #define BFA_FCDIAG_MOD(__bfa) (&(__bfa)->modules.fcdiag)
710
711 void bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg);
712
713 bfa_status_t bfa_fcdiag_loopback(struct bfa_s *bfa,
714 enum bfa_port_opmode opmode,
715 enum bfa_port_speed speed, u32 lpcnt, u32 pat,
716 struct bfa_diag_loopback_result_s *result,
717 bfa_cb_diag_t cbfn, void *cbarg);
718 bfa_status_t bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 ignore,
719 u32 queue, struct bfa_diag_qtest_result_s *result,
720 bfa_cb_diag_t cbfn, void *cbarg);
721 bfa_status_t bfa_fcdiag_lb_is_running(struct bfa_s *bfa);
722
723 #endif /* __BFA_SVC_H__ */
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