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tcp: fix lockdep splat in tcp_snd_una_update()
[linux/fpc-iii.git] / drivers / scsi / bfa / bfa_svc.h
blobea2278bc78a8d44f497a5985357dcd9ce28c9625
1 /*
2 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
3 * Copyright (c) 2014- QLogic Corporation.
4 * All rights reserved
5 * www.qlogic.com
6 *
7 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License (GPL) Version 2 as
11 * published by the Free Software Foundation
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 */
18
19 #ifndef __BFA_SVC_H__
20 #define __BFA_SVC_H__
21
22 #include "bfa_cs.h"
23 #include "bfi_ms.h"
24
25
26 /*
27 * Scatter-gather DMA related defines
28 */
29 #define BFA_SGPG_MIN (16)
30 #define BFA_SGPG_MAX (8192)
31
32 /*
33 * Alignment macro for SG page allocation
34 */
35 #define BFA_SGPG_ROUNDUP(_l) (((_l) + (sizeof(struct bfi_sgpg_s) - 1)) \
36 & ~(sizeof(struct bfi_sgpg_s) - 1))
37
38 struct bfa_sgpg_wqe_s {
39 struct list_head qe; /* queue sg page element */
40 int nsgpg; /* pages to be allocated */
41 int nsgpg_total; /* total pages required */
42 void (*cbfn) (void *cbarg); /* callback function */
43 void *cbarg; /* callback arg */
44 struct list_head sgpg_q; /* queue of alloced sgpgs */
45 };
46
47 struct bfa_sgpg_s {
48 struct list_head qe; /* queue sg page element */
49 struct bfi_sgpg_s *sgpg; /* va of SG page */
50 union bfi_addr_u sgpg_pa; /* pa of SG page */
51 };
52
53 /*
54 * Given number of SG elements, BFA_SGPG_NPAGE() returns the number of
55 * SG pages required.
56 */
57 #define BFA_SGPG_NPAGE(_nsges) (((_nsges) / BFI_SGPG_DATA_SGES) + 1)
58
59 /* Max SGPG dma segs required */
60 #define BFA_SGPG_DMA_SEGS \
61 BFI_MEM_DMA_NSEGS(BFA_SGPG_MAX, (uint32_t)sizeof(struct bfi_sgpg_s))
62
63 struct bfa_sgpg_mod_s {
64 struct bfa_s *bfa;
65 int num_sgpgs; /* number of SG pages */
66 int free_sgpgs; /* number of free SG pages */
67 struct list_head sgpg_q; /* queue of free SG pages */
68 struct list_head sgpg_wait_q; /* wait queue for SG pages */
69 struct bfa_mem_dma_s dma_seg[BFA_SGPG_DMA_SEGS];
70 struct bfa_mem_kva_s kva_seg;
71 };
72 #define BFA_SGPG_MOD(__bfa) (&(__bfa)->modules.sgpg_mod)
73 #define BFA_MEM_SGPG_KVA(__bfa) (&(BFA_SGPG_MOD(__bfa)->kva_seg))
74
75 bfa_status_t bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q,
76 int nsgpgs);
77 void bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs);
78 void bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe,
79 void (*cbfn) (void *cbarg), void *cbarg);
80 void bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpgs);
81 void bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe);
82
83
84 /*
85 * FCXP related defines
86 */
87 #define BFA_FCXP_MIN (1)
88 #define BFA_FCXP_MAX (256)
89 #define BFA_FCXP_MAX_IBUF_SZ (2 * 1024 + 256)
90 #define BFA_FCXP_MAX_LBUF_SZ (4 * 1024 + 256)
91
92 /* Max FCXP dma segs required */
93 #define BFA_FCXP_DMA_SEGS \
94 BFI_MEM_DMA_NSEGS(BFA_FCXP_MAX, \
95 (u32)BFA_FCXP_MAX_IBUF_SZ + BFA_FCXP_MAX_LBUF_SZ)
96
97 struct bfa_fcxp_mod_s {
98 struct bfa_s *bfa; /* backpointer to BFA */
99 struct bfa_fcxp_s *fcxp_list; /* array of FCXPs */
100 u16 num_fcxps; /* max num FCXP requests */
101 struct list_head fcxp_req_free_q; /* free FCXPs used for sending req */
102 struct list_head fcxp_rsp_free_q; /* free FCXPs used for sending req */
103 struct list_head fcxp_active_q; /* active FCXPs */
104 struct list_head req_wait_q; /* wait queue for free req_fcxp */
105 struct list_head rsp_wait_q; /* wait queue for free rsp_fcxp */
106 struct list_head fcxp_req_unused_q; /* unused req_fcxps */
107 struct list_head fcxp_rsp_unused_q; /* unused rsp_fcxps */
108 u32 req_pld_sz;
109 u32 rsp_pld_sz;
110 struct bfa_mem_dma_s dma_seg[BFA_FCXP_DMA_SEGS];
111 struct bfa_mem_kva_s kva_seg;
112 };
113
114 #define BFA_FCXP_MOD(__bfa) (&(__bfa)->modules.fcxp_mod)
115 #define BFA_FCXP_FROM_TAG(__mod, __tag) (&(__mod)->fcxp_list[__tag])
116 #define BFA_MEM_FCXP_KVA(__bfa) (&(BFA_FCXP_MOD(__bfa)->kva_seg))
117
118 typedef void (*fcxp_send_cb_t) (struct bfa_s *ioc, struct bfa_fcxp_s *fcxp,
119 void *cb_arg, bfa_status_t req_status,
120 u32 rsp_len, u32 resid_len,
121 struct fchs_s *rsp_fchs);
122
123 typedef u64 (*bfa_fcxp_get_sgaddr_t) (void *bfad_fcxp, int sgeid);
124 typedef u32 (*bfa_fcxp_get_sglen_t) (void *bfad_fcxp, int sgeid);
125 typedef void (*bfa_cb_fcxp_send_t) (void *bfad_fcxp, struct bfa_fcxp_s *fcxp,
126 void *cbarg, enum bfa_status req_status,
127 u32 rsp_len, u32 resid_len,
128 struct fchs_s *rsp_fchs);
129 typedef void (*bfa_fcxp_alloc_cbfn_t) (void *cbarg, struct bfa_fcxp_s *fcxp);
130
131
132
133 /*
134 * Information needed for a FCXP request
135 */
136 struct bfa_fcxp_req_info_s {
137 struct bfa_rport_s *bfa_rport;
138 /* Pointer to the bfa rport that was
139 * returned from bfa_rport_create().
140 * This could be left NULL for WKA or
141 * for FCXP interactions before the
142 * rport nexus is established
143 */
144 struct fchs_s fchs; /* request FC header structure */
145 u8 cts; /* continuous sequence */
146 u8 class; /* FC class for the request/response */
147 u16 max_frmsz; /* max send frame size */
148 u16 vf_id; /* vsan tag if applicable */
149 u8 lp_tag; /* lport tag */
150 u32 req_tot_len; /* request payload total length */
151 };
152
153 struct bfa_fcxp_rsp_info_s {
154 struct fchs_s rsp_fchs;
155 /* Response frame's FC header will
156 * be sent back in this field */
157 u8 rsp_timeout;
158 /* timeout in seconds, 0-no response */
159 u8 rsvd2[3];
160 u32 rsp_maxlen; /* max response length expected */
161 };
162
163 struct bfa_fcxp_s {
164 struct list_head qe; /* fcxp queue element */
165 bfa_sm_t sm; /* state machine */
166 void *caller; /* driver or fcs */
167 struct bfa_fcxp_mod_s *fcxp_mod;
168 /* back pointer to fcxp mod */
169 u16 fcxp_tag; /* internal tag */
170 struct bfa_fcxp_req_info_s req_info;
171 /* request info */
172 struct bfa_fcxp_rsp_info_s rsp_info;
173 /* response info */
174 u8 use_ireqbuf; /* use internal req buf */
175 u8 use_irspbuf; /* use internal rsp buf */
176 u32 nreq_sgles; /* num request SGLEs */
177 u32 nrsp_sgles; /* num response SGLEs */
178 struct list_head req_sgpg_q; /* SG pages for request buf */
179 struct list_head req_sgpg_wqe; /* wait queue for req SG page */
180 struct list_head rsp_sgpg_q; /* SG pages for response buf */
181 struct list_head rsp_sgpg_wqe; /* wait queue for rsp SG page */
182
183 bfa_fcxp_get_sgaddr_t req_sga_cbfn;
184 /* SG elem addr user function */
185 bfa_fcxp_get_sglen_t req_sglen_cbfn;
186 /* SG elem len user function */
187 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn;
188 /* SG elem addr user function */
189 bfa_fcxp_get_sglen_t rsp_sglen_cbfn;
190 /* SG elem len user function */
191 bfa_cb_fcxp_send_t send_cbfn; /* send completion callback */
192 void *send_cbarg; /* callback arg */
193 struct bfa_sge_s req_sge[BFA_FCXP_MAX_SGES];
194 /* req SG elems */
195 struct bfa_sge_s rsp_sge[BFA_FCXP_MAX_SGES];
196 /* rsp SG elems */
197 u8 rsp_status; /* comp: rsp status */
198 u32 rsp_len; /* comp: actual response len */
199 u32 residue_len; /* comp: residual rsp length */
200 struct fchs_s rsp_fchs; /* comp: response fchs */
201 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */
202 struct bfa_reqq_wait_s reqq_wqe;
203 bfa_boolean_t reqq_waiting;
204 bfa_boolean_t req_rsp; /* Used to track req/rsp fcxp */
205 };
206
207 struct bfa_fcxp_wqe_s {
208 struct list_head qe;
209 bfa_fcxp_alloc_cbfn_t alloc_cbfn;
210 void *alloc_cbarg;
211 void *caller;
212 struct bfa_s *bfa;
213 int nreq_sgles;
214 int nrsp_sgles;
215 bfa_fcxp_get_sgaddr_t req_sga_cbfn;
216 bfa_fcxp_get_sglen_t req_sglen_cbfn;
217 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn;
218 bfa_fcxp_get_sglen_t rsp_sglen_cbfn;
219 };
220
221 #define BFA_FCXP_REQ_PLD(_fcxp) (bfa_fcxp_get_reqbuf(_fcxp))
222 #define BFA_FCXP_RSP_FCHS(_fcxp) (&((_fcxp)->rsp_info.fchs))
223 #define BFA_FCXP_RSP_PLD(_fcxp) (bfa_fcxp_get_rspbuf(_fcxp))
224
225 #define BFA_FCXP_REQ_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
229 /* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */
230 #define BFA_FCXP_RSP_PLD_PA(_fcxp) \
231 (bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag, \
232 (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz) + \
233 (_fcxp)->fcxp_mod->req_pld_sz)
234
235 void bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
236
237
238 /*
239 * RPORT related defines
240 */
241 enum bfa_rport_event {
242 BFA_RPORT_SM_CREATE = 1, /* rport create event */
243 BFA_RPORT_SM_DELETE = 2, /* deleting an existing rport */
244 BFA_RPORT_SM_ONLINE = 3, /* rport is online */
245 BFA_RPORT_SM_OFFLINE = 4, /* rport is offline */
246 BFA_RPORT_SM_FWRSP = 5, /* firmware response */
247 BFA_RPORT_SM_HWFAIL = 6, /* IOC h/w failure */
248 BFA_RPORT_SM_QOS_SCN = 7, /* QoS SCN from firmware */
249 BFA_RPORT_SM_SET_SPEED = 8, /* Set Rport Speed */
250 BFA_RPORT_SM_QRESUME = 9, /* space in requeue queue */
251 };
252
253 #define BFA_RPORT_MIN 4
254
255 struct bfa_rport_mod_s {
256 struct bfa_rport_s *rps_list; /* list of rports */
257 struct list_head rp_free_q; /* free bfa_rports */
258 struct list_head rp_active_q; /* free bfa_rports */
259 struct list_head rp_unused_q; /* unused bfa rports */
260 u16 num_rports; /* number of rports */
261 struct bfa_mem_kva_s kva_seg;
262 };
263
264 #define BFA_RPORT_MOD(__bfa) (&(__bfa)->modules.rport_mod)
265 #define BFA_MEM_RPORT_KVA(__bfa) (&(BFA_RPORT_MOD(__bfa)->kva_seg))
266
267 /*
268 * Convert rport tag to RPORT
269 */
270 #define BFA_RPORT_FROM_TAG(__bfa, _tag) \
271 (BFA_RPORT_MOD(__bfa)->rps_list + \
272 ((_tag) & (BFA_RPORT_MOD(__bfa)->num_rports - 1)))
273
274 /*
275 * protected functions
276 */
277 void bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
278 void bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw);
279
280 /*
281 * BFA rport information.
282 */
283 struct bfa_rport_info_s {
284 u16 max_frmsz; /* max rcv pdu size */
285 u32 pid:24, /* remote port ID */
286 lp_tag:8; /* tag */
287 u32 local_pid:24, /* local port ID */
288 cisc:8; /* CIRO supported */
289 u8 fc_class; /* supported FC classes. enum fc_cos */
290 u8 vf_en; /* virtual fabric enable */
291 u16 vf_id; /* virtual fabric ID */
292 enum bfa_port_speed speed; /* Rport's current speed */
293 };
294
295 /*
296 * BFA rport data structure
297 */
298 struct bfa_rport_s {
299 struct list_head qe; /* queue element */
300 bfa_sm_t sm; /* state machine */
301 struct bfa_s *bfa; /* backpointer to BFA */
302 void *rport_drv; /* fcs/driver rport object */
303 u16 fw_handle; /* firmware rport handle */
304 u16 rport_tag; /* BFA rport tag */
305 u8 lun_mask; /* LUN mask flag */
306 struct bfa_rport_info_s rport_info; /* rport info from fcs/driver */
307 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
308 struct bfa_cb_qe_s hcb_qe; /* BFA callback qelem */
309 struct bfa_rport_hal_stats_s stats; /* BFA rport statistics */
310 struct bfa_rport_qos_attr_s qos_attr;
311 union a {
312 bfa_status_t status; /* f/w status */
313 void *fw_msg; /* QoS scn event */
314 } event_arg;
315 };
316 #define BFA_RPORT_FC_COS(_rport) ((_rport)->rport_info.fc_class)
317
318
319 /*
320 * UF - unsolicited receive related defines
321 */
322
323 #define BFA_UF_MIN (4)
324 #define BFA_UF_MAX (256)
325
326 struct bfa_uf_s {
327 struct list_head qe; /* queue element */
328 struct bfa_s *bfa; /* bfa instance */
329 u16 uf_tag; /* identifying tag fw msgs */
330 u16 vf_id;
331 u16 src_rport_handle;
332 u16 rsvd;
333 u8 *data_ptr;
334 u16 data_len; /* actual receive length */
335 u16 pb_len; /* posted buffer length */
336 void *buf_kva; /* buffer virtual address */
337 u64 buf_pa; /* buffer physical address */
338 struct bfa_cb_qe_s hcb_qe; /* comp: BFA comp qelem */
339 struct bfa_sge_s sges[BFI_SGE_INLINE_MAX];
340 };
341
342 /*
343 * Callback prototype for unsolicited frame receive handler.
344 *
345 * @param[in] cbarg callback arg for receive handler
346 * @param[in] uf unsolicited frame descriptor
347 *
348 * @return None
349 */
350 typedef void (*bfa_cb_uf_recv_t) (void *cbarg, struct bfa_uf_s *uf);
351
352 #define BFA_UF_BUFSZ (2 * 1024 + 256)
353
354 struct bfa_uf_buf_s {
355 u8 d[BFA_UF_BUFSZ];
356 };
357
358 #define BFA_PER_UF_DMA_SZ \
359 (u32)BFA_ROUNDUP(sizeof(struct bfa_uf_buf_s), BFA_DMA_ALIGN_SZ)
360
361 /* Max UF dma segs required */
362 #define BFA_UF_DMA_SEGS BFI_MEM_DMA_NSEGS(BFA_UF_MAX, BFA_PER_UF_DMA_SZ)
363
364 struct bfa_uf_mod_s {
365 struct bfa_s *bfa; /* back pointer to BFA */
366 struct bfa_uf_s *uf_list; /* array of UFs */
367 u16 num_ufs; /* num unsolicited rx frames */
368 struct list_head uf_free_q; /* free UFs */
369 struct list_head uf_posted_q; /* UFs posted to IOC */
370 struct list_head uf_unused_q; /* unused UF's */
371 struct bfi_uf_buf_post_s *uf_buf_posts;
372 /* pre-built UF post msgs */
373 bfa_cb_uf_recv_t ufrecv; /* uf recv handler function */
374 void *cbarg; /* uf receive handler arg */
375 struct bfa_mem_dma_s dma_seg[BFA_UF_DMA_SEGS];
376 struct bfa_mem_kva_s kva_seg;
377 };
378
379 #define BFA_UF_MOD(__bfa) (&(__bfa)->modules.uf_mod)
380 #define BFA_MEM_UF_KVA(__bfa) (&(BFA_UF_MOD(__bfa)->kva_seg))
381
382 #define ufm_pbs_pa(_ufmod, _uftag) \
383 bfa_mem_get_dmabuf_pa(_ufmod, _uftag, BFA_PER_UF_DMA_SZ)
384
385 void bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
386 void bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw);
387
388 /*
389 * LPS - bfa lport login/logout service interface
390 */
391 struct bfa_lps_s {
392 struct list_head qe; /* queue element */
393 struct bfa_s *bfa; /* parent bfa instance */
394 bfa_sm_t sm; /* finite state machine */
395 u8 bfa_tag; /* lport tag */
396 u8 fw_tag; /* lport fw tag */
397 u8 reqq; /* lport request queue */
398 u8 alpa; /* ALPA for loop topologies */
399 u32 lp_pid; /* lport port ID */
400 bfa_boolean_t fdisc; /* snd FDISC instead of FLOGI */
401 bfa_boolean_t auth_en; /* enable authentication */
402 bfa_boolean_t auth_req; /* authentication required */
403 bfa_boolean_t npiv_en; /* NPIV is allowed by peer */
404 bfa_boolean_t fport; /* attached peer is F_PORT */
405 bfa_boolean_t brcd_switch; /* attached peer is brcd sw */
406 bfa_status_t status; /* login status */
407 u16 pdusz; /* max receive PDU size */
408 u16 pr_bbcred; /* BB_CREDIT from peer */
409 u8 lsrjt_rsn; /* LSRJT reason */
410 u8 lsrjt_expl; /* LSRJT explanation */
411 u8 lun_mask; /* LUN mask flag */
412 wwn_t pwwn; /* port wwn of lport */
413 wwn_t nwwn; /* node wwn of lport */
414 wwn_t pr_pwwn; /* port wwn of lport peer */
415 wwn_t pr_nwwn; /* node wwn of lport peer */
416 mac_t lp_mac; /* fpma/spma MAC for lport */
417 mac_t fcf_mac; /* FCF MAC of lport */
418 struct bfa_reqq_wait_s wqe; /* request wait queue element */
419 void *uarg; /* user callback arg */
420 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */
421 struct bfi_lps_login_rsp_s *loginrsp;
422 bfa_eproto_status_t ext_status;
423 };
424
425 struct bfa_lps_mod_s {
426 struct list_head lps_free_q;
427 struct list_head lps_active_q;
428 struct list_head lps_login_q;
429 struct bfa_lps_s *lps_arr;
430 int num_lps;
431 struct bfa_mem_kva_s kva_seg;
432 };
433
434 #define BFA_LPS_MOD(__bfa) (&(__bfa)->modules.lps_mod)
435 #define BFA_LPS_FROM_TAG(__mod, __tag) (&(__mod)->lps_arr[__tag])
436 #define BFA_MEM_LPS_KVA(__bfa) (&(BFA_LPS_MOD(__bfa)->kva_seg))
437
438 /*
439 * external functions
440 */
441 void bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
442
443
444 /*
445 * FCPORT related defines
446 */
447
448 #define BFA_FCPORT(_bfa) (&((_bfa)->modules.port))
449
450 /*
451 * Link notification data structure
452 */
453 struct bfa_fcport_ln_s {
454 struct bfa_fcport_s *fcport;
455 bfa_sm_t sm;
456 struct bfa_cb_qe_s ln_qe; /* BFA callback queue elem for ln */
457 enum bfa_port_linkstate ln_event; /* ln event for callback */
458 };
459
460 struct bfa_fcport_trunk_s {
461 struct bfa_trunk_attr_s attr;
462 };
463
464 /*
465 * BFA FC port data structure
466 */
467 struct bfa_fcport_s {
468 struct bfa_s *bfa; /* parent BFA instance */
469 bfa_sm_t sm; /* port state machine */
470 wwn_t nwwn; /* node wwn of physical port */
471 wwn_t pwwn; /* port wwn of physical oprt */
472 enum bfa_port_speed speed_sup;
473 /* supported speeds */
474 enum bfa_port_speed speed; /* current speed */
475 enum bfa_port_topology topology; /* current topology */
476 u8 rsvd[3];
477 u8 myalpa; /* my ALPA in LOOP topology */
478 u8 alpabm_valid; /* alpa bitmap valid or not */
479 struct fc_alpabm_s alpabm; /* alpa bitmap */
480 struct bfa_port_cfg_s cfg; /* current port configuration */
481 bfa_boolean_t use_flash_cfg; /* get port cfg from flash */
482 struct bfa_qos_attr_s qos_attr; /* QoS Attributes */
483 struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */
484 struct bfa_reqq_wait_s reqq_wait;
485 /* to wait for room in reqq */
486 struct bfa_reqq_wait_s svcreq_wait;
487 /* to wait for room in reqq */
488 struct bfa_reqq_wait_s stats_reqq_wait;
489 /* to wait for room in reqq (stats) */
490 void *event_cbarg;
491 void (*event_cbfn) (void *cbarg,
492 enum bfa_port_linkstate event);
493 union {
494 union bfi_fcport_i2h_msg_u i2hmsg;
495 } event_arg;
496 void *bfad; /* BFA driver handle */
497 struct bfa_fcport_ln_s ln; /* Link Notification */
498 struct bfa_cb_qe_s hcb_qe; /* BFA callback queue elem */
499 struct bfa_timer_s timer; /* timer */
500 u32 msgtag; /* fimrware msg tag for reply */
501 u8 *stats_kva;
502 u64 stats_pa;
503 union bfa_fcport_stats_u *stats;
504 bfa_status_t stats_status; /* stats/statsclr status */
505 struct list_head stats_pending_q;
506 struct list_head statsclr_pending_q;
507 bfa_boolean_t stats_qfull;
508 u32 stats_reset_time; /* stats reset time stamp */
509 bfa_boolean_t diag_busy; /* diag busy status */
510 bfa_boolean_t beacon; /* port beacon status */
511 bfa_boolean_t link_e2e_beacon; /* link beacon status */
512 struct bfa_fcport_trunk_s trunk;
513 u16 fcoe_vlan;
514 struct bfa_mem_dma_s fcport_dma;
515 bfa_boolean_t stats_dma_ready;
516 struct bfa_bbcr_attr_s bbcr_attr;
517 enum bfa_fec_state_s fec_state;
518 };
519
520 #define BFA_FCPORT_MOD(__bfa) (&(__bfa)->modules.fcport)
521 #define BFA_MEM_FCPORT_DMA(__bfa) (&(BFA_FCPORT_MOD(__bfa)->fcport_dma))
522
523 /*
524 * protected functions
525 */
526 void bfa_fcport_init(struct bfa_s *bfa);
527 void bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
528
529 /*
530 * bfa fcport API functions
531 */
532 bfa_status_t bfa_fcport_enable(struct bfa_s *bfa);
533 bfa_status_t bfa_fcport_disable(struct bfa_s *bfa);
534 bfa_status_t bfa_fcport_cfg_speed(struct bfa_s *bfa,
535 enum bfa_port_speed speed);
536 enum bfa_port_speed bfa_fcport_get_speed(struct bfa_s *bfa);
537 bfa_status_t bfa_fcport_cfg_topology(struct bfa_s *bfa,
538 enum bfa_port_topology topo);
539 enum bfa_port_topology bfa_fcport_get_topology(struct bfa_s *bfa);
540 enum bfa_port_topology bfa_fcport_get_cfg_topology(struct bfa_s *bfa);
541 bfa_status_t bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa);
542 bfa_boolean_t bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa);
543 u8 bfa_fcport_get_myalpa(struct bfa_s *bfa);
544 bfa_status_t bfa_fcport_clr_hardalpa(struct bfa_s *bfa);
545 bfa_status_t bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxsize);
546 u16 bfa_fcport_get_maxfrsize(struct bfa_s *bfa);
547 u8 bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa);
548 void bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr);
549 wwn_t bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node);
550 void bfa_fcport_event_register(struct bfa_s *bfa,
551 void (*event_cbfn) (void *cbarg,
552 enum bfa_port_linkstate event), void *event_cbarg);
553 bfa_boolean_t bfa_fcport_is_disabled(struct bfa_s *bfa);
554 bfa_boolean_t bfa_fcport_is_dport(struct bfa_s *bfa);
555 bfa_boolean_t bfa_fcport_is_ddport(struct bfa_s *bfa);
556 bfa_status_t bfa_fcport_set_qos_bw(struct bfa_s *bfa,
557 struct bfa_qos_bw_s *qos_bw);
558 enum bfa_port_speed bfa_fcport_get_ratelim_speed(struct bfa_s *bfa);
559
560 void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit);
561 bfa_boolean_t bfa_fcport_is_ratelim(struct bfa_s *bfa);
562 void bfa_fcport_beacon(void *dev, bfa_boolean_t beacon,
563 bfa_boolean_t link_e2e_beacon);
564 bfa_boolean_t bfa_fcport_is_linkup(struct bfa_s *bfa);
565 bfa_status_t bfa_fcport_get_stats(struct bfa_s *bfa,
566 struct bfa_cb_pending_q_s *cb);
567 bfa_status_t bfa_fcport_clear_stats(struct bfa_s *bfa,
568 struct bfa_cb_pending_q_s *cb);
569 bfa_boolean_t bfa_fcport_is_qos_enabled(struct bfa_s *bfa);
570 bfa_boolean_t bfa_fcport_is_trunk_enabled(struct bfa_s *bfa);
571 void bfa_fcport_dportenable(struct bfa_s *bfa);
572 void bfa_fcport_dportdisable(struct bfa_s *bfa);
573 bfa_status_t bfa_fcport_is_pbcdisabled(struct bfa_s *bfa);
574 void bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state);
575 bfa_status_t bfa_fcport_cfg_bbcr(struct bfa_s *bfa,
576 bfa_boolean_t on_off, u8 bb_scn);
577 bfa_status_t bfa_fcport_get_bbcr_attr(struct bfa_s *bfa,
578 struct bfa_bbcr_attr_s *bbcr_attr);
579
580 /*
581 * bfa rport API functions
582 */
583 struct bfa_rport_s *bfa_rport_create(struct bfa_s *bfa, void *rport_drv);
584 void bfa_rport_online(struct bfa_rport_s *rport,
585 struct bfa_rport_info_s *rport_info);
586 void bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed);
587 void bfa_cb_rport_online(void *rport);
588 void bfa_cb_rport_offline(void *rport);
589 void bfa_cb_rport_qos_scn_flowid(void *rport,
590 struct bfa_rport_qos_attr_s old_qos_attr,
591 struct bfa_rport_qos_attr_s new_qos_attr);
592 void bfa_cb_rport_scn_online(struct bfa_s *bfa);
593 void bfa_cb_rport_scn_offline(struct bfa_s *bfa);
594 void bfa_cb_rport_scn_no_dev(void *rp);
595 void bfa_cb_rport_qos_scn_prio(void *rport,
596 struct bfa_rport_qos_attr_s old_qos_attr,
597 struct bfa_rport_qos_attr_s new_qos_attr);
598
599 /*
600 * Rport LUN masking related
601 */
602 #define BFA_RPORT_TAG_INVALID 0xffff
603 #define BFA_LP_TAG_INVALID 0xff
604 void bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
605 void bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
606
607 /*
608 * bfa fcxp API functions
609 */
610 struct bfa_fcxp_s *bfa_fcxp_req_rsp_alloc(void *bfad_fcxp, struct bfa_s *bfa,
611 int nreq_sgles, int nrsp_sgles,
612 bfa_fcxp_get_sgaddr_t get_req_sga,
613 bfa_fcxp_get_sglen_t get_req_sglen,
614 bfa_fcxp_get_sgaddr_t get_rsp_sga,
615 bfa_fcxp_get_sglen_t get_rsp_sglen,
616 bfa_boolean_t req);
617 void bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
618 bfa_fcxp_alloc_cbfn_t alloc_cbfn,
619 void *cbarg, void *bfad_fcxp,
620 int nreq_sgles, int nrsp_sgles,
621 bfa_fcxp_get_sgaddr_t get_req_sga,
622 bfa_fcxp_get_sglen_t get_req_sglen,
623 bfa_fcxp_get_sgaddr_t get_rsp_sga,
624 bfa_fcxp_get_sglen_t get_rsp_sglen,
625 bfa_boolean_t req);
626 void bfa_fcxp_walloc_cancel(struct bfa_s *bfa,
627 struct bfa_fcxp_wqe_s *wqe);
628 void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp);
629
630 void *bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp);
631 void *bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp);
632
633 void bfa_fcxp_free(struct bfa_fcxp_s *fcxp);
634
635 void bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
636 u16 vf_id, u8 lp_tag,
637 bfa_boolean_t cts, enum fc_cos cos,
638 u32 reqlen, struct fchs_s *fchs,
639 bfa_cb_fcxp_send_t cbfn,
640 void *cbarg,
641 u32 rsp_maxlen, u8 rsp_timeout);
642 bfa_status_t bfa_fcxp_abort(struct bfa_fcxp_s *fcxp);
643 u32 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp);
644 u32 bfa_fcxp_get_maxrsp(struct bfa_s *bfa);
645 void bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw);
646
647 static inline void *
648 bfa_uf_get_frmbuf(struct bfa_uf_s *uf)
649 {
650 return uf->data_ptr;
651 }
652
653 static inline u16
654 bfa_uf_get_frmlen(struct bfa_uf_s *uf)
655 {
656 return uf->data_len;
657 }
658
659 /*
660 * bfa uf API functions
661 */
662 void bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv,
663 void *cbarg);
664 void bfa_uf_free(struct bfa_uf_s *uf);
665
666 /*
667 * bfa lport service api
668 */
669
670 u32 bfa_lps_get_max_vport(struct bfa_s *bfa);
671 struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa);
672 void bfa_lps_delete(struct bfa_lps_s *lps);
673 void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa,
674 u16 pdusz, wwn_t pwwn, wwn_t nwwn,
675 bfa_boolean_t auth_en);
676 void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz,
677 wwn_t pwwn, wwn_t nwwn);
678 void bfa_lps_fdisclogo(struct bfa_lps_s *lps);
679 void bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, u32 n2n_pid);
680 u8 bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag);
681 u32 bfa_lps_get_base_pid(struct bfa_s *bfa);
682 u8 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid);
683 void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status);
684 void bfa_cb_lps_flogo_comp(void *bfad, void *uarg);
685 void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status);
686 void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg);
687 void bfa_cb_lps_cvl_event(void *bfad, void *uarg);
688
689 /* FAA specific APIs */
690 bfa_status_t bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr,
691 bfa_cb_iocfc_t cbfn, void *cbarg);
692
693 /*
694 * FC DIAG data structure
695 */
696 struct bfa_fcdiag_qtest_s {
697 struct bfa_diag_qtest_result_s *result;
698 bfa_cb_diag_t cbfn;
699 void *cbarg;
700 struct bfa_timer_s timer;
701 u32 status;
702 u32 count;
703 u8 lock;
704 u8 queue;
705 u8 all;
706 u8 timer_active;
707 };
708
709 struct bfa_fcdiag_lb_s {
710 bfa_cb_diag_t cbfn;
711 void *cbarg;
712 void *result;
713 bfa_boolean_t lock;
714 u32 status;
715 };
716
717 struct bfa_dport_s {
718 struct bfa_s *bfa; /* Back pointer to BFA */
719 bfa_sm_t sm; /* finite state machine */
720 struct bfa_reqq_wait_s reqq_wait;
721 bfa_cb_diag_t cbfn;
722 void *cbarg;
723 union bfi_diag_dport_msg_u i2hmsg;
724 u8 test_state; /* enum dport_test_state */
725 u8 dynamic; /* boolean_t */
726 u8 rsvd[2];
727 u32 lpcnt;
728 u32 payload; /* user defined payload pattern */
729 wwn_t rp_pwwn;
730 wwn_t rp_nwwn;
731 struct bfa_diag_dport_result_s result;
732 };
733
734 struct bfa_fcdiag_s {
735 struct bfa_s *bfa; /* Back pointer to BFA */
736 struct bfa_trc_mod_s *trcmod;
737 struct bfa_fcdiag_lb_s lb;
738 struct bfa_fcdiag_qtest_s qtest;
739 struct bfa_dport_s dport;
740 };
741
742 #define BFA_FCDIAG_MOD(__bfa) (&(__bfa)->modules.fcdiag)
743
744 void bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg);
745
746 bfa_status_t bfa_fcdiag_loopback(struct bfa_s *bfa,
747 enum bfa_port_opmode opmode,
748 enum bfa_port_speed speed, u32 lpcnt, u32 pat,
749 struct bfa_diag_loopback_result_s *result,
750 bfa_cb_diag_t cbfn, void *cbarg);
751 bfa_status_t bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 ignore,
752 u32 queue, struct bfa_diag_qtest_result_s *result,
753 bfa_cb_diag_t cbfn, void *cbarg);
754 bfa_status_t bfa_fcdiag_lb_is_running(struct bfa_s *bfa);
755 bfa_status_t bfa_dport_enable(struct bfa_s *bfa, u32 lpcnt, u32 pat,
756 bfa_cb_diag_t cbfn, void *cbarg);
757 bfa_status_t bfa_dport_disable(struct bfa_s *bfa, bfa_cb_diag_t cbfn,
758 void *cbarg);
759 bfa_status_t bfa_dport_start(struct bfa_s *bfa, u32 lpcnt, u32 pat,
760 bfa_cb_diag_t cbfn, void *cbarg);
761 bfa_status_t bfa_dport_show(struct bfa_s *bfa,
762 struct bfa_diag_dport_result_s *result);
763
764 #endif /* __BFA_SVC_H__ */
Linux with added FPC-III support