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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / scsi / bfa / bfa_svc.h
blobef07365991e75186a41e4974eff7008a27c57ae5
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_req_free_q; /* free FCXPs used for sending req */
101 struct list_head fcxp_rsp_free_q; /* free FCXPs used for sending req */
102 struct list_head fcxp_active_q; /* active FCXPs */
103 struct list_head req_wait_q; /* wait queue for free req_fcxp */
104 struct list_head rsp_wait_q; /* wait queue for free rsp_fcxp */
105 struct list_head fcxp_req_unused_q; /* unused req_fcxps */
106 struct list_head fcxp_rsp_unused_q; /* unused rsp_fcxps */
107 u32 req_pld_sz;
108 u32 rsp_pld_sz;
109 struct bfa_mem_dma_s dma_seg[BFA_FCXP_DMA_SEGS];
110 struct bfa_mem_kva_s kva_seg;
111 };
112
113 #define BFA_FCXP_MOD(__bfa) (&(__bfa)->modules.fcxp_mod)
114 #define BFA_FCXP_FROM_TAG(__mod, __tag) (&(__mod)->fcxp_list[__tag])
115 #define BFA_MEM_FCXP_KVA(__bfa) (&(BFA_FCXP_MOD(__bfa)->kva_seg))
116
117 typedef void (*fcxp_send_cb_t) (struct bfa_s *ioc, struct bfa_fcxp_s *fcxp,
118 void *cb_arg, bfa_status_t req_status,
119 u32 rsp_len, u32 resid_len,
120 struct fchs_s *rsp_fchs);
121
122 typedef u64 (*bfa_fcxp_get_sgaddr_t) (void *bfad_fcxp, int sgeid);
123 typedef u32 (*bfa_fcxp_get_sglen_t) (void *bfad_fcxp, int sgeid);
124 typedef void (*bfa_cb_fcxp_send_t) (void *bfad_fcxp, struct bfa_fcxp_s *fcxp,
125 void *cbarg, enum bfa_status req_status,
126 u32 rsp_len, u32 resid_len,
127 struct fchs_s *rsp_fchs);
128 typedef void (*bfa_fcxp_alloc_cbfn_t) (void *cbarg, struct bfa_fcxp_s *fcxp);
129
130
131
132 /*
133 * Information needed for a FCXP request
134 */
135 struct bfa_fcxp_req_info_s {
136 struct bfa_rport_s *bfa_rport;
137 /* Pointer to the bfa rport that was
138 * returned from bfa_rport_create().
139 * This could be left NULL for WKA or
140 * for FCXP interactions before the
141 * rport nexus is established
142 */
143 struct fchs_s fchs; /* request FC header structure */
144 u8 cts; /* continuous sequence */
145 u8 class; /* FC class for the request/response */
146 u16 max_frmsz; /* max send frame size */
147 u16 vf_id; /* vsan tag if applicable */
148 u8 lp_tag; /* lport tag */
149 u32 req_tot_len; /* request payload total length */
150 };
151
152 struct bfa_fcxp_rsp_info_s {
153 struct fchs_s rsp_fchs;
154 /* Response frame's FC header will
155 * be sent back in this field */
156 u8 rsp_timeout;
157 /* timeout in seconds, 0-no response */
158 u8 rsvd2[3];
159 u32 rsp_maxlen; /* max response length expected */
160 };
161
162 struct bfa_fcxp_s {
163 struct list_head qe; /* fcxp queue element */
164 bfa_sm_t sm; /* state machine */
165 void *caller; /* driver or fcs */
166 struct bfa_fcxp_mod_s *fcxp_mod;
167 /* back pointer to fcxp mod */
168 u16 fcxp_tag; /* internal tag */
169 struct bfa_fcxp_req_info_s req_info;
170 /* request info */
171 struct bfa_fcxp_rsp_info_s rsp_info;
172 /* response info */
173 u8 use_ireqbuf; /* use internal req buf */
174 u8 use_irspbuf; /* use internal rsp buf */
175 u32 nreq_sgles; /* num request SGLEs */
176 u32 nrsp_sgles; /* num response SGLEs */
177 struct list_head req_sgpg_q; /* SG pages for request buf */
178 struct list_head req_sgpg_wqe; /* wait queue for req SG page */
179 struct list_head rsp_sgpg_q; /* SG pages for response buf */
180 struct list_head rsp_sgpg_wqe; /* wait queue for rsp SG page */
181
182 bfa_fcxp_get_sgaddr_t req_sga_cbfn;
183 /* SG elem addr user function */
184 bfa_fcxp_get_sglen_t req_sglen_cbfn;
185 /* SG elem len user function */
186 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn;
187 /* SG elem addr user function */
188 bfa_fcxp_get_sglen_t rsp_sglen_cbfn;
189 /* SG elem len user function */
190 bfa_cb_fcxp_send_t send_cbfn; /* send completion callback */
191 void *send_cbarg; /* callback arg */
192 struct bfa_sge_s req_sge[BFA_FCXP_MAX_SGES];
193 /* req SG elems */
194 struct bfa_sge_s rsp_sge[BFA_FCXP_MAX_SGES];
195 /* rsp SG elems */
196 u8 rsp_status; /* comp: rsp status */
197 u32 rsp_len; /* comp: actual response len */
198 u32 residue_len; /* comp: residual rsp length */
199 struct fchs_s rsp_fchs; /* comp: response fchs */
200 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */
201 struct bfa_reqq_wait_s reqq_wqe;
202 bfa_boolean_t reqq_waiting;
203 bfa_boolean_t req_rsp; /* Used to track req/rsp fcxp */
204 };
205
206 struct bfa_fcxp_wqe_s {
207 struct list_head qe;
208 bfa_fcxp_alloc_cbfn_t alloc_cbfn;
209 void *alloc_cbarg;
210 void *caller;
211 struct bfa_s *bfa;
212 int nreq_sgles;
213 int nrsp_sgles;
214 bfa_fcxp_get_sgaddr_t req_sga_cbfn;
215 bfa_fcxp_get_sglen_t req_sglen_cbfn;
216 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn;
217 bfa_fcxp_get_sglen_t rsp_sglen_cbfn;
218 };
219
220 #define BFA_FCXP_REQ_PLD(_fcxp) (bfa_fcxp_get_reqbuf(_fcxp))
221 #define BFA_FCXP_RSP_FCHS(_fcxp) (&((_fcxp)->rsp_info.fchs))
222 #define BFA_FCXP_RSP_PLD(_fcxp) (bfa_fcxp_get_rspbuf(_fcxp))
223
224 #define BFA_FCXP_REQ_PLD_PA(_fcxp) \
225 bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag, \
226 (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz)
227
228 /* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */
229 #define BFA_FCXP_RSP_PLD_PA(_fcxp) \
230 (bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag, \
231 (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz) + \
232 (_fcxp)->fcxp_mod->req_pld_sz)
233
234 void bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
235
236
237 /*
238 * RPORT related defines
239 */
240 enum bfa_rport_event {
241 BFA_RPORT_SM_CREATE = 1, /* rport create event */
242 BFA_RPORT_SM_DELETE = 2, /* deleting an existing rport */
243 BFA_RPORT_SM_ONLINE = 3, /* rport is online */
244 BFA_RPORT_SM_OFFLINE = 4, /* rport is offline */
245 BFA_RPORT_SM_FWRSP = 5, /* firmware response */
246 BFA_RPORT_SM_HWFAIL = 6, /* IOC h/w failure */
247 BFA_RPORT_SM_QOS_SCN = 7, /* QoS SCN from firmware */
248 BFA_RPORT_SM_SET_SPEED = 8, /* Set Rport Speed */
249 BFA_RPORT_SM_QRESUME = 9, /* space in requeue queue */
250 };
251
252 #define BFA_RPORT_MIN 4
253
254 struct bfa_rport_mod_s {
255 struct bfa_rport_s *rps_list; /* list of rports */
256 struct list_head rp_free_q; /* free bfa_rports */
257 struct list_head rp_active_q; /* free bfa_rports */
258 struct list_head rp_unused_q; /* unused bfa rports */
259 u16 num_rports; /* number of rports */
260 struct bfa_mem_kva_s kva_seg;
261 };
262
263 #define BFA_RPORT_MOD(__bfa) (&(__bfa)->modules.rport_mod)
264 #define BFA_MEM_RPORT_KVA(__bfa) (&(BFA_RPORT_MOD(__bfa)->kva_seg))
265
266 /*
267 * Convert rport tag to RPORT
268 */
269 #define BFA_RPORT_FROM_TAG(__bfa, _tag) \
270 (BFA_RPORT_MOD(__bfa)->rps_list + \
271 ((_tag) & (BFA_RPORT_MOD(__bfa)->num_rports - 1)))
272
273 /*
274 * protected functions
275 */
276 void bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
277 void bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw);
278
279 /*
280 * BFA rport information.
281 */
282 struct bfa_rport_info_s {
283 u16 max_frmsz; /* max rcv pdu size */
284 u32 pid:24, /* remote port ID */
285 lp_tag:8; /* tag */
286 u32 local_pid:24, /* local port ID */
287 cisc:8; /* CIRO supported */
288 u8 fc_class; /* supported FC classes. enum fc_cos */
289 u8 vf_en; /* virtual fabric enable */
290 u16 vf_id; /* virtual fabric ID */
291 enum bfa_port_speed speed; /* Rport's current speed */
292 };
293
294 /*
295 * BFA rport data structure
296 */
297 struct bfa_rport_s {
298 struct list_head qe; /* queue element */
299 bfa_sm_t sm; /* state machine */
300 struct bfa_s *bfa; /* backpointer to BFA */
301 void *rport_drv; /* fcs/driver rport object */
302 u16 fw_handle; /* firmware rport handle */
303 u16 rport_tag; /* BFA rport tag */
304 u8 lun_mask; /* LUN mask flag */
305 struct bfa_rport_info_s rport_info; /* rport info from fcs/driver */
306 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
307 struct bfa_cb_qe_s hcb_qe; /* BFA callback qelem */
308 struct bfa_rport_hal_stats_s stats; /* BFA rport statistics */
309 struct bfa_rport_qos_attr_s qos_attr;
310 union a {
311 bfa_status_t status; /* f/w status */
312 void *fw_msg; /* QoS scn event */
313 } event_arg;
314 };
315 #define BFA_RPORT_FC_COS(_rport) ((_rport)->rport_info.fc_class)
316
317
318 /*
319 * UF - unsolicited receive related defines
320 */
321
322 #define BFA_UF_MIN (4)
323 #define BFA_UF_MAX (256)
324
325 struct bfa_uf_s {
326 struct list_head qe; /* queue element */
327 struct bfa_s *bfa; /* bfa instance */
328 u16 uf_tag; /* identifying tag fw msgs */
329 u16 vf_id;
330 u16 src_rport_handle;
331 u16 rsvd;
332 u8 *data_ptr;
333 u16 data_len; /* actual receive length */
334 u16 pb_len; /* posted buffer length */
335 void *buf_kva; /* buffer virtual address */
336 u64 buf_pa; /* buffer physical address */
337 struct bfa_cb_qe_s hcb_qe; /* comp: BFA comp qelem */
338 struct bfa_sge_s sges[BFI_SGE_INLINE_MAX];
339 };
340
341 /*
342 * Callback prototype for unsolicited frame receive handler.
343 *
344 * @param[in] cbarg callback arg for receive handler
345 * @param[in] uf unsolicited frame descriptor
346 *
347 * @return None
348 */
349 typedef void (*bfa_cb_uf_recv_t) (void *cbarg, struct bfa_uf_s *uf);
350
351 #define BFA_UF_BUFSZ (2 * 1024 + 256)
352
353 struct bfa_uf_buf_s {
354 u8 d[BFA_UF_BUFSZ];
355 };
356
357 #define BFA_PER_UF_DMA_SZ \
358 (u32)BFA_ROUNDUP(sizeof(struct bfa_uf_buf_s), BFA_DMA_ALIGN_SZ)
359
360 /* Max UF dma segs required */
361 #define BFA_UF_DMA_SEGS BFI_MEM_DMA_NSEGS(BFA_UF_MAX, BFA_PER_UF_DMA_SZ)
362
363 struct bfa_uf_mod_s {
364 struct bfa_s *bfa; /* back pointer to BFA */
365 struct bfa_uf_s *uf_list; /* array of UFs */
366 u16 num_ufs; /* num unsolicited rx frames */
367 struct list_head uf_free_q; /* free UFs */
368 struct list_head uf_posted_q; /* UFs posted to IOC */
369 struct list_head uf_unused_q; /* unused UF's */
370 struct bfi_uf_buf_post_s *uf_buf_posts;
371 /* pre-built UF post msgs */
372 bfa_cb_uf_recv_t ufrecv; /* uf recv handler function */
373 void *cbarg; /* uf receive handler arg */
374 struct bfa_mem_dma_s dma_seg[BFA_UF_DMA_SEGS];
375 struct bfa_mem_kva_s kva_seg;
376 };
377
378 #define BFA_UF_MOD(__bfa) (&(__bfa)->modules.uf_mod)
379 #define BFA_MEM_UF_KVA(__bfa) (&(BFA_UF_MOD(__bfa)->kva_seg))
380
381 #define ufm_pbs_pa(_ufmod, _uftag) \
382 bfa_mem_get_dmabuf_pa(_ufmod, _uftag, BFA_PER_UF_DMA_SZ)
383
384 void bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
385 void bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw);
386
387 /*
388 * LPS - bfa lport login/logout service interface
389 */
390 struct bfa_lps_s {
391 struct list_head qe; /* queue element */
392 struct bfa_s *bfa; /* parent bfa instance */
393 bfa_sm_t sm; /* finite state machine */
394 u8 bfa_tag; /* lport tag */
395 u8 fw_tag; /* lport fw tag */
396 u8 reqq; /* lport request queue */
397 u8 alpa; /* ALPA for loop topologies */
398 u32 lp_pid; /* lport port ID */
399 bfa_boolean_t fdisc; /* snd FDISC instead of FLOGI */
400 bfa_boolean_t auth_en; /* enable authentication */
401 bfa_boolean_t auth_req; /* authentication required */
402 bfa_boolean_t npiv_en; /* NPIV is allowed by peer */
403 bfa_boolean_t fport; /* attached peer is F_PORT */
404 bfa_boolean_t brcd_switch; /* attached peer is brcd sw */
405 bfa_status_t status; /* login status */
406 u16 pdusz; /* max receive PDU size */
407 u16 pr_bbcred; /* BB_CREDIT from peer */
408 u8 lsrjt_rsn; /* LSRJT reason */
409 u8 lsrjt_expl; /* LSRJT explanation */
410 u8 lun_mask; /* LUN mask flag */
411 wwn_t pwwn; /* port wwn of lport */
412 wwn_t nwwn; /* node wwn of lport */
413 wwn_t pr_pwwn; /* port wwn of lport peer */
414 wwn_t pr_nwwn; /* node wwn of lport peer */
415 mac_t lp_mac; /* fpma/spma MAC for lport */
416 mac_t fcf_mac; /* FCF MAC of lport */
417 struct bfa_reqq_wait_s wqe; /* request wait queue element */
418 void *uarg; /* user callback arg */
419 struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */
420 struct bfi_lps_login_rsp_s *loginrsp;
421 bfa_eproto_status_t ext_status;
422 };
423
424 struct bfa_lps_mod_s {
425 struct list_head lps_free_q;
426 struct list_head lps_active_q;
427 struct list_head lps_login_q;
428 struct bfa_lps_s *lps_arr;
429 int num_lps;
430 struct bfa_mem_kva_s kva_seg;
431 };
432
433 #define BFA_LPS_MOD(__bfa) (&(__bfa)->modules.lps_mod)
434 #define BFA_LPS_FROM_TAG(__mod, __tag) (&(__mod)->lps_arr[__tag])
435 #define BFA_MEM_LPS_KVA(__bfa) (&(BFA_LPS_MOD(__bfa)->kva_seg))
436
437 /*
438 * external functions
439 */
440 void bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
441
442
443 /*
444 * FCPORT related defines
445 */
446
447 #define BFA_FCPORT(_bfa) (&((_bfa)->modules.port))
448
449 /*
450 * Link notification data structure
451 */
452 struct bfa_fcport_ln_s {
453 struct bfa_fcport_s *fcport;
454 bfa_sm_t sm;
455 struct bfa_cb_qe_s ln_qe; /* BFA callback queue elem for ln */
456 enum bfa_port_linkstate ln_event; /* ln event for callback */
457 };
458
459 struct bfa_fcport_trunk_s {
460 struct bfa_trunk_attr_s attr;
461 };
462
463 /*
464 * BFA FC port data structure
465 */
466 struct bfa_fcport_s {
467 struct bfa_s *bfa; /* parent BFA instance */
468 bfa_sm_t sm; /* port state machine */
469 wwn_t nwwn; /* node wwn of physical port */
470 wwn_t pwwn; /* port wwn of physical oprt */
471 enum bfa_port_speed speed_sup;
472 /* supported speeds */
473 enum bfa_port_speed speed; /* current speed */
474 enum bfa_port_topology topology; /* current topology */
475 u8 rsvd[3];
476 u8 myalpa; /* my ALPA in LOOP topology */
477 u8 alpabm_valid; /* alpa bitmap valid or not */
478 struct fc_alpabm_s alpabm; /* alpa bitmap */
479 struct bfa_port_cfg_s cfg; /* current port configuration */
480 bfa_boolean_t use_flash_cfg; /* get port cfg from flash */
481 struct bfa_qos_attr_s qos_attr; /* QoS Attributes */
482 struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */
483 struct bfa_reqq_wait_s reqq_wait;
484 /* to wait for room in reqq */
485 struct bfa_reqq_wait_s svcreq_wait;
486 /* to wait for room in reqq */
487 struct bfa_reqq_wait_s stats_reqq_wait;
488 /* to wait for room in reqq (stats) */
489 void *event_cbarg;
490 void (*event_cbfn) (void *cbarg,
491 enum bfa_port_linkstate event);
492 union {
493 union bfi_fcport_i2h_msg_u i2hmsg;
494 } event_arg;
495 void *bfad; /* BFA driver handle */
496 struct bfa_fcport_ln_s ln; /* Link Notification */
497 struct bfa_cb_qe_s hcb_qe; /* BFA callback queue elem */
498 struct bfa_timer_s timer; /* timer */
499 u32 msgtag; /* fimrware msg tag for reply */
500 u8 *stats_kva;
501 u64 stats_pa;
502 union bfa_fcport_stats_u *stats;
503 bfa_status_t stats_status; /* stats/statsclr status */
504 struct list_head stats_pending_q;
505 struct list_head statsclr_pending_q;
506 bfa_boolean_t stats_qfull;
507 u32 stats_reset_time; /* stats reset time stamp */
508 bfa_boolean_t diag_busy; /* diag busy status */
509 bfa_boolean_t beacon; /* port beacon status */
510 bfa_boolean_t link_e2e_beacon; /* link beacon status */
511 struct bfa_fcport_trunk_s trunk;
512 u16 fcoe_vlan;
513 struct bfa_mem_dma_s fcport_dma;
514 bfa_boolean_t stats_dma_ready;
515 struct bfa_bbcr_attr_s bbcr_attr;
516 enum bfa_fec_state_s fec_state;
517 };
518
519 #define BFA_FCPORT_MOD(__bfa) (&(__bfa)->modules.fcport)
520 #define BFA_MEM_FCPORT_DMA(__bfa) (&(BFA_FCPORT_MOD(__bfa)->fcport_dma))
521
522 /*
523 * protected functions
524 */
525 void bfa_fcport_init(struct bfa_s *bfa);
526 void bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
527
528 /*
529 * bfa fcport API functions
530 */
531 bfa_status_t bfa_fcport_enable(struct bfa_s *bfa);
532 bfa_status_t bfa_fcport_disable(struct bfa_s *bfa);
533 bfa_status_t bfa_fcport_cfg_speed(struct bfa_s *bfa,
534 enum bfa_port_speed speed);
535 enum bfa_port_speed bfa_fcport_get_speed(struct bfa_s *bfa);
536 bfa_status_t bfa_fcport_cfg_topology(struct bfa_s *bfa,
537 enum bfa_port_topology topo);
538 enum bfa_port_topology bfa_fcport_get_topology(struct bfa_s *bfa);
539 enum bfa_port_topology bfa_fcport_get_cfg_topology(struct bfa_s *bfa);
540 bfa_status_t bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa);
541 bfa_boolean_t bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa);
542 u8 bfa_fcport_get_myalpa(struct bfa_s *bfa);
543 bfa_status_t bfa_fcport_clr_hardalpa(struct bfa_s *bfa);
544 bfa_status_t bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxsize);
545 u16 bfa_fcport_get_maxfrsize(struct bfa_s *bfa);
546 u8 bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa);
547 void bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr);
548 wwn_t bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node);
549 void bfa_fcport_event_register(struct bfa_s *bfa,
550 void (*event_cbfn) (void *cbarg,
551 enum bfa_port_linkstate event), void *event_cbarg);
552 bfa_boolean_t bfa_fcport_is_disabled(struct bfa_s *bfa);
553 bfa_boolean_t bfa_fcport_is_dport(struct bfa_s *bfa);
554 bfa_boolean_t bfa_fcport_is_ddport(struct bfa_s *bfa);
555 bfa_status_t bfa_fcport_set_qos_bw(struct bfa_s *bfa,
556 struct bfa_qos_bw_s *qos_bw);
557 enum bfa_port_speed bfa_fcport_get_ratelim_speed(struct bfa_s *bfa);
558
559 void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit);
560 bfa_boolean_t bfa_fcport_is_ratelim(struct bfa_s *bfa);
561 void bfa_fcport_beacon(void *dev, bfa_boolean_t beacon,
562 bfa_boolean_t link_e2e_beacon);
563 bfa_boolean_t bfa_fcport_is_linkup(struct bfa_s *bfa);
564 bfa_status_t bfa_fcport_get_stats(struct bfa_s *bfa,
565 struct bfa_cb_pending_q_s *cb);
566 bfa_status_t bfa_fcport_clear_stats(struct bfa_s *bfa,
567 struct bfa_cb_pending_q_s *cb);
568 bfa_boolean_t bfa_fcport_is_qos_enabled(struct bfa_s *bfa);
569 bfa_boolean_t bfa_fcport_is_trunk_enabled(struct bfa_s *bfa);
570 void bfa_fcport_dportenable(struct bfa_s *bfa);
571 void bfa_fcport_dportdisable(struct bfa_s *bfa);
572 bfa_status_t bfa_fcport_is_pbcdisabled(struct bfa_s *bfa);
573 void bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state);
574 bfa_status_t bfa_fcport_cfg_bbcr(struct bfa_s *bfa,
575 bfa_boolean_t on_off, u8 bb_scn);
576 bfa_status_t bfa_fcport_get_bbcr_attr(struct bfa_s *bfa,
577 struct bfa_bbcr_attr_s *bbcr_attr);
578
579 /*
580 * bfa rport API functions
581 */
582 struct bfa_rport_s *bfa_rport_create(struct bfa_s *bfa, void *rport_drv);
583 void bfa_rport_online(struct bfa_rport_s *rport,
584 struct bfa_rport_info_s *rport_info);
585 void bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed);
586 void bfa_cb_rport_online(void *rport);
587 void bfa_cb_rport_offline(void *rport);
588 void bfa_cb_rport_qos_scn_flowid(void *rport,
589 struct bfa_rport_qos_attr_s old_qos_attr,
590 struct bfa_rport_qos_attr_s new_qos_attr);
591 void bfa_cb_rport_scn_online(struct bfa_s *bfa);
592 void bfa_cb_rport_scn_offline(struct bfa_s *bfa);
593 void bfa_cb_rport_scn_no_dev(void *rp);
594 void bfa_cb_rport_qos_scn_prio(void *rport,
595 struct bfa_rport_qos_attr_s old_qos_attr,
596 struct bfa_rport_qos_attr_s new_qos_attr);
597
598 /*
599 * Rport LUN masking related
600 */
601 #define BFA_RPORT_TAG_INVALID 0xffff
602 #define BFA_LP_TAG_INVALID 0xff
603 void bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
604 void bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
605
606 /*
607 * bfa fcxp API functions
608 */
609 struct bfa_fcxp_s *bfa_fcxp_req_rsp_alloc(void *bfad_fcxp, struct bfa_s *bfa,
610 int nreq_sgles, int nrsp_sgles,
611 bfa_fcxp_get_sgaddr_t get_req_sga,
612 bfa_fcxp_get_sglen_t get_req_sglen,
613 bfa_fcxp_get_sgaddr_t get_rsp_sga,
614 bfa_fcxp_get_sglen_t get_rsp_sglen,
615 bfa_boolean_t req);
616 void bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
617 bfa_fcxp_alloc_cbfn_t alloc_cbfn,
618 void *cbarg, void *bfad_fcxp,
619 int nreq_sgles, int nrsp_sgles,
620 bfa_fcxp_get_sgaddr_t get_req_sga,
621 bfa_fcxp_get_sglen_t get_req_sglen,
622 bfa_fcxp_get_sgaddr_t get_rsp_sga,
623 bfa_fcxp_get_sglen_t get_rsp_sglen,
624 bfa_boolean_t req);
625 void bfa_fcxp_walloc_cancel(struct bfa_s *bfa,
626 struct bfa_fcxp_wqe_s *wqe);
627 void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp);
628
629 void *bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp);
630 void *bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp);
631
632 void bfa_fcxp_free(struct bfa_fcxp_s *fcxp);
633
634 void bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
635 u16 vf_id, u8 lp_tag,
636 bfa_boolean_t cts, enum fc_cos cos,
637 u32 reqlen, struct fchs_s *fchs,
638 bfa_cb_fcxp_send_t cbfn,
639 void *cbarg,
640 u32 rsp_maxlen, u8 rsp_timeout);
641 bfa_status_t bfa_fcxp_abort(struct bfa_fcxp_s *fcxp);
642 u32 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp);
643 u32 bfa_fcxp_get_maxrsp(struct bfa_s *bfa);
644 void bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw);
645
646 static inline void *
647 bfa_uf_get_frmbuf(struct bfa_uf_s *uf)
648 {
649 return uf->data_ptr;
650 }
651
652 static inline u16
653 bfa_uf_get_frmlen(struct bfa_uf_s *uf)
654 {
655 return uf->data_len;
656 }
657
658 /*
659 * bfa uf API functions
660 */
661 void bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv,
662 void *cbarg);
663 void bfa_uf_free(struct bfa_uf_s *uf);
664
665 /*
666 * bfa lport service api
667 */
668
669 u32 bfa_lps_get_max_vport(struct bfa_s *bfa);
670 struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa);
671 void bfa_lps_delete(struct bfa_lps_s *lps);
672 void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa,
673 u16 pdusz, wwn_t pwwn, wwn_t nwwn,
674 bfa_boolean_t auth_en);
675 void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz,
676 wwn_t pwwn, wwn_t nwwn);
677 void bfa_lps_fdisclogo(struct bfa_lps_s *lps);
678 void bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, u32 n2n_pid);
679 u8 bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag);
680 u32 bfa_lps_get_base_pid(struct bfa_s *bfa);
681 u8 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid);
682 void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status);
683 void bfa_cb_lps_flogo_comp(void *bfad, void *uarg);
684 void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status);
685 void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg);
686 void bfa_cb_lps_cvl_event(void *bfad, void *uarg);
687
688 /* FAA specific APIs */
689 bfa_status_t bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr,
690 bfa_cb_iocfc_t cbfn, void *cbarg);
691
692 /*
693 * FC DIAG data structure
694 */
695 struct bfa_fcdiag_qtest_s {
696 struct bfa_diag_qtest_result_s *result;
697 bfa_cb_diag_t cbfn;
698 void *cbarg;
699 struct bfa_timer_s timer;
700 u32 status;
701 u32 count;
702 u8 lock;
703 u8 queue;
704 u8 all;
705 u8 timer_active;
706 };
707
708 struct bfa_fcdiag_lb_s {
709 bfa_cb_diag_t cbfn;
710 void *cbarg;
711 void *result;
712 bfa_boolean_t lock;
713 u32 status;
714 };
715
716 struct bfa_dport_s {
717 struct bfa_s *bfa; /* Back pointer to BFA */
718 bfa_sm_t sm; /* finite state machine */
719 struct bfa_reqq_wait_s reqq_wait;
720 bfa_cb_diag_t cbfn;
721 void *cbarg;
722 union bfi_diag_dport_msg_u i2hmsg;
723 u8 test_state; /* enum dport_test_state */
724 u8 dynamic; /* boolean_t */
725 u8 rsvd[2];
726 u32 lpcnt;
727 u32 payload; /* user defined payload pattern */
728 wwn_t rp_pwwn;
729 wwn_t rp_nwwn;
730 struct bfa_diag_dport_result_s result;
731 };
732
733 struct bfa_fcdiag_s {
734 struct bfa_s *bfa; /* Back pointer to BFA */
735 struct bfa_trc_mod_s *trcmod;
736 struct bfa_fcdiag_lb_s lb;
737 struct bfa_fcdiag_qtest_s qtest;
738 struct bfa_dport_s dport;
739 };
740
741 #define BFA_FCDIAG_MOD(__bfa) (&(__bfa)->modules.fcdiag)
742
743 void bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg);
744
745 bfa_status_t bfa_fcdiag_loopback(struct bfa_s *bfa,
746 enum bfa_port_opmode opmode,
747 enum bfa_port_speed speed, u32 lpcnt, u32 pat,
748 struct bfa_diag_loopback_result_s *result,
749 bfa_cb_diag_t cbfn, void *cbarg);
750 bfa_status_t bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 ignore,
751 u32 queue, struct bfa_diag_qtest_result_s *result,
752 bfa_cb_diag_t cbfn, void *cbarg);
753 bfa_status_t bfa_fcdiag_lb_is_running(struct bfa_s *bfa);
754 bfa_status_t bfa_dport_enable(struct bfa_s *bfa, u32 lpcnt, u32 pat,
755 bfa_cb_diag_t cbfn, void *cbarg);
756 bfa_status_t bfa_dport_disable(struct bfa_s *bfa, bfa_cb_diag_t cbfn,
757 void *cbarg);
758 bfa_status_t bfa_dport_start(struct bfa_s *bfa, u32 lpcnt, u32 pat,
759 bfa_cb_diag_t cbfn, void *cbarg);
760 bfa_status_t bfa_dport_show(struct bfa_s *bfa,
761 struct bfa_diag_dport_result_s *result);
762
763 #endif /* __BFA_SVC_H__ */
Linux with added FPC-III support