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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / scsi / bfa / bfi_ms.h
blob1a3fe5ad58fa71f8e97504bdaa0d7fec0c93d211
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 __BFI_MS_H__
19 #define __BFI_MS_H__
20
21 #include "bfi.h"
22 #include "bfa_fc.h"
23 #include "bfa_defs_svc.h"
24
25 #pragma pack(1)
26
27 enum bfi_iocfc_h2i_msgs {
28 BFI_IOCFC_H2I_CFG_REQ = 1,
29 BFI_IOCFC_H2I_SET_INTR_REQ = 2,
30 BFI_IOCFC_H2I_UPDATEQ_REQ = 3,
31 BFI_IOCFC_H2I_FAA_QUERY_REQ = 4,
32 BFI_IOCFC_H2I_ADDR_REQ = 5,
33 };
34
35 enum bfi_iocfc_i2h_msgs {
36 BFI_IOCFC_I2H_CFG_REPLY = BFA_I2HM(1),
37 BFI_IOCFC_I2H_UPDATEQ_RSP = BFA_I2HM(3),
38 BFI_IOCFC_I2H_FAA_QUERY_RSP = BFA_I2HM(4),
39 BFI_IOCFC_I2H_ADDR_MSG = BFA_I2HM(5),
40 };
41
42 struct bfi_iocfc_cfg_s {
43 u8 num_cqs; /* Number of CQs to be used */
44 u8 sense_buf_len; /* SCSI sense length */
45 u16 rsvd_1;
46 u32 endian_sig; /* endian signature of host */
47 u8 rsvd_2;
48 u8 single_msix_vec;
49 u8 rsvd[2];
50 __be16 num_ioim_reqs;
51 __be16 num_fwtio_reqs;
52
53
54 /*
55 * Request and response circular queue base addresses, size and
56 * shadow index pointers.
57 */
58 union bfi_addr_u req_cq_ba[BFI_IOC_MAX_CQS];
59 union bfi_addr_u req_shadow_ci[BFI_IOC_MAX_CQS];
60 __be16 req_cq_elems[BFI_IOC_MAX_CQS];
61 union bfi_addr_u rsp_cq_ba[BFI_IOC_MAX_CQS];
62 union bfi_addr_u rsp_shadow_pi[BFI_IOC_MAX_CQS];
63 __be16 rsp_cq_elems[BFI_IOC_MAX_CQS];
64
65 union bfi_addr_u stats_addr; /* DMA-able address for stats */
66 union bfi_addr_u cfgrsp_addr; /* config response dma address */
67 union bfi_addr_u ioim_snsbase[BFI_IOIM_SNSBUF_SEGS];
68 /* IO sense buf base addr segments */
69 struct bfa_iocfc_intr_attr_s intr_attr; /* IOC interrupt attributes */
70 };
71
72 /*
73 * Boot target wwn information for this port. This contains either the stored
74 * or discovered boot target port wwns for the port.
75 */
76 struct bfi_iocfc_bootwwns {
77 wwn_t wwn[BFA_BOOT_BOOTLUN_MAX];
78 u8 nwwns;
79 u8 rsvd[7];
80 };
81
82 /**
83 * Queue configuration response from firmware
84 */
85 struct bfi_iocfc_qreg_s {
86 u32 cpe_q_ci_off[BFI_IOC_MAX_CQS];
87 u32 cpe_q_pi_off[BFI_IOC_MAX_CQS];
88 u32 cpe_qctl_off[BFI_IOC_MAX_CQS];
89 u32 rme_q_ci_off[BFI_IOC_MAX_CQS];
90 u32 rme_q_pi_off[BFI_IOC_MAX_CQS];
91 u32 rme_qctl_off[BFI_IOC_MAX_CQS];
92 u8 hw_qid[BFI_IOC_MAX_CQS];
93 };
94
95 struct bfi_iocfc_cfgrsp_s {
96 struct bfa_iocfc_fwcfg_s fwcfg;
97 struct bfa_iocfc_intr_attr_s intr_attr;
98 struct bfi_iocfc_bootwwns bootwwns;
99 struct bfi_pbc_s pbc_cfg;
100 struct bfi_iocfc_qreg_s qreg;
101 };
102
103 /*
104 * BFI_IOCFC_H2I_CFG_REQ message
105 */
106 struct bfi_iocfc_cfg_req_s {
107 struct bfi_mhdr_s mh;
108 union bfi_addr_u ioc_cfg_dma_addr;
109 };
110
111
112 /*
113 * BFI_IOCFC_I2H_CFG_REPLY message
114 */
115 struct bfi_iocfc_cfg_reply_s {
116 struct bfi_mhdr_s mh; /* Common msg header */
117 u8 cfg_success; /* cfg reply status */
118 u8 lpu_bm; /* LPUs assigned for this IOC */
119 u8 rsvd[2];
120 };
121
122
123 /*
124 * BFI_IOCFC_H2I_SET_INTR_REQ message
125 */
126 struct bfi_iocfc_set_intr_req_s {
127 struct bfi_mhdr_s mh; /* common msg header */
128 u8 coalesce; /* enable intr coalescing */
129 u8 rsvd[3];
130 __be16 delay; /* delay timer 0..1125us */
131 __be16 latency; /* latency timer 0..225us */
132 };
133
134
135 /*
136 * BFI_IOCFC_H2I_UPDATEQ_REQ message
137 */
138 struct bfi_iocfc_updateq_req_s {
139 struct bfi_mhdr_s mh; /* common msg header */
140 u32 reqq_ba; /* reqq base addr */
141 u32 rspq_ba; /* rspq base addr */
142 u32 reqq_sci; /* reqq shadow ci */
143 u32 rspq_spi; /* rspq shadow pi */
144 };
145
146
147 /*
148 * BFI_IOCFC_I2H_UPDATEQ_RSP message
149 */
150 struct bfi_iocfc_updateq_rsp_s {
151 struct bfi_mhdr_s mh; /* common msg header */
152 u8 status; /* updateq status */
153 u8 rsvd[3];
154 };
155
156
157 /*
158 * H2I Messages
159 */
160 union bfi_iocfc_h2i_msg_u {
161 struct bfi_mhdr_s mh;
162 struct bfi_iocfc_cfg_req_s cfg_req;
163 struct bfi_iocfc_updateq_req_s updateq_req;
164 u32 mboxmsg[BFI_IOC_MSGSZ];
165 };
166
167
168 /*
169 * I2H Messages
170 */
171 union bfi_iocfc_i2h_msg_u {
172 struct bfi_mhdr_s mh;
173 struct bfi_iocfc_cfg_reply_s cfg_reply;
174 struct bfi_iocfc_updateq_rsp_s updateq_rsp;
175 u32 mboxmsg[BFI_IOC_MSGSZ];
176 };
177
178 /*
179 * BFI_IOCFC_H2I_FAA_ENABLE_REQ BFI_IOCFC_H2I_FAA_DISABLE_REQ message
180 */
181 struct bfi_faa_en_dis_s {
182 struct bfi_mhdr_s mh; /* common msg header */
183 };
184
185 struct bfi_faa_addr_msg_s {
186 struct bfi_mhdr_s mh; /* common msg header */
187 u8 rsvd[4];
188 wwn_t pwwn; /* Fabric acquired PWWN */
189 wwn_t nwwn; /* Fabric acquired PWWN */
190 };
191
192 /*
193 * BFI_IOCFC_H2I_FAA_QUERY_REQ message
194 */
195 struct bfi_faa_query_s {
196 struct bfi_mhdr_s mh; /* common msg header */
197 u8 faa_status; /* FAA status */
198 u8 addr_source; /* PWWN source */
199 u8 rsvd[2];
200 wwn_t faa; /* Fabric acquired PWWN */
201 };
202
203 /*
204 * BFI_IOCFC_I2H_FAA_ENABLE_RSP, BFI_IOCFC_I2H_FAA_DISABLE_RSP message
205 */
206 struct bfi_faa_en_dis_rsp_s {
207 struct bfi_mhdr_s mh; /* common msg header */
208 u8 status; /* updateq status */
209 u8 rsvd[3];
210 };
211
212 /*
213 * BFI_IOCFC_I2H_FAA_QUERY_RSP message
214 */
215 #define bfi_faa_query_rsp_t struct bfi_faa_query_s
216
217 enum bfi_fcport_h2i {
218 BFI_FCPORT_H2I_ENABLE_REQ = (1),
219 BFI_FCPORT_H2I_DISABLE_REQ = (2),
220 BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ = (3),
221 BFI_FCPORT_H2I_STATS_GET_REQ = (4),
222 BFI_FCPORT_H2I_STATS_CLEAR_REQ = (5),
223 };
224
225
226 enum bfi_fcport_i2h {
227 BFI_FCPORT_I2H_ENABLE_RSP = BFA_I2HM(1),
228 BFI_FCPORT_I2H_DISABLE_RSP = BFA_I2HM(2),
229 BFI_FCPORT_I2H_SET_SVC_PARAMS_RSP = BFA_I2HM(3),
230 BFI_FCPORT_I2H_STATS_GET_RSP = BFA_I2HM(4),
231 BFI_FCPORT_I2H_STATS_CLEAR_RSP = BFA_I2HM(5),
232 BFI_FCPORT_I2H_EVENT = BFA_I2HM(6),
233 BFI_FCPORT_I2H_TRUNK_SCN = BFA_I2HM(7),
234 BFI_FCPORT_I2H_ENABLE_AEN = BFA_I2HM(8),
235 BFI_FCPORT_I2H_DISABLE_AEN = BFA_I2HM(9),
236 };
237
238
239 /*
240 * Generic REQ type
241 */
242 struct bfi_fcport_req_s {
243 struct bfi_mhdr_s mh; /* msg header */
244 u32 msgtag; /* msgtag for reply */
245 };
246
247 /*
248 * Generic RSP type
249 */
250 struct bfi_fcport_rsp_s {
251 struct bfi_mhdr_s mh; /* common msg header */
252 u8 status; /* port enable status */
253 u8 rsvd[3];
254 struct bfa_port_cfg_s port_cfg;/* port configuration */
255 u32 msgtag; /* msgtag for reply */
256 };
257
258 /*
259 * BFI_FCPORT_H2I_ENABLE_REQ
260 */
261 struct bfi_fcport_enable_req_s {
262 struct bfi_mhdr_s mh; /* msg header */
263 u32 rsvd1;
264 wwn_t nwwn; /* node wwn of physical port */
265 wwn_t pwwn; /* port wwn of physical port */
266 struct bfa_port_cfg_s port_cfg; /* port configuration */
267 union bfi_addr_u stats_dma_addr; /* DMA address for stats */
268 u32 msgtag; /* msgtag for reply */
269 u8 use_flash_cfg; /* get prot cfg from flash */
270 u8 rsvd2[3];
271 };
272
273 /*
274 * BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ
275 */
276 struct bfi_fcport_set_svc_params_req_s {
277 struct bfi_mhdr_s mh; /* msg header */
278 __be16 tx_bbcredit; /* Tx credits */
279 u8 rsvd[2];
280 };
281
282 /*
283 * BFI_FCPORT_I2H_EVENT
284 */
285 struct bfi_fcport_event_s {
286 struct bfi_mhdr_s mh; /* common msg header */
287 struct bfa_port_link_s link_state;
288 };
289
290 /*
291 * BFI_FCPORT_I2H_TRUNK_SCN
292 */
293 struct bfi_fcport_trunk_link_s {
294 wwn_t trunk_wwn;
295 u8 fctl; /* bfa_trunk_link_fctl_t */
296 u8 state; /* bfa_trunk_link_state_t */
297 u8 speed; /* bfa_port_speed_t */
298 u8 rsvd;
299 __be32 deskew;
300 };
301
302 #define BFI_FCPORT_MAX_LINKS 2
303 struct bfi_fcport_trunk_scn_s {
304 struct bfi_mhdr_s mh;
305 u8 trunk_state; /* bfa_trunk_state_t */
306 u8 trunk_speed; /* bfa_port_speed_t */
307 u8 rsvd_a[2];
308 struct bfi_fcport_trunk_link_s tlink[BFI_FCPORT_MAX_LINKS];
309 };
310
311 /*
312 * fcport H2I message
313 */
314 union bfi_fcport_h2i_msg_u {
315 struct bfi_mhdr_s *mhdr;
316 struct bfi_fcport_enable_req_s *penable;
317 struct bfi_fcport_req_s *pdisable;
318 struct bfi_fcport_set_svc_params_req_s *psetsvcparams;
319 struct bfi_fcport_req_s *pstatsget;
320 struct bfi_fcport_req_s *pstatsclear;
321 };
322
323 /*
324 * fcport I2H message
325 */
326 union bfi_fcport_i2h_msg_u {
327 struct bfi_msg_s *msg;
328 struct bfi_fcport_rsp_s *penable_rsp;
329 struct bfi_fcport_rsp_s *pdisable_rsp;
330 struct bfi_fcport_rsp_s *psetsvcparams_rsp;
331 struct bfi_fcport_rsp_s *pstatsget_rsp;
332 struct bfi_fcport_rsp_s *pstatsclear_rsp;
333 struct bfi_fcport_event_s *event;
334 struct bfi_fcport_trunk_scn_s *trunk_scn;
335 };
336
337 enum bfi_fcxp_h2i {
338 BFI_FCXP_H2I_SEND_REQ = 1,
339 };
340
341 enum bfi_fcxp_i2h {
342 BFI_FCXP_I2H_SEND_RSP = BFA_I2HM(1),
343 };
344
345 #define BFA_FCXP_MAX_SGES 2
346
347 /*
348 * FCXP send request structure
349 */
350 struct bfi_fcxp_send_req_s {
351 struct bfi_mhdr_s mh; /* Common msg header */
352 __be16 fcxp_tag; /* driver request tag */
353 __be16 max_frmsz; /* max send frame size */
354 __be16 vf_id; /* vsan tag if applicable */
355 u16 rport_fw_hndl; /* FW Handle for the remote port */
356 u8 class; /* FC class used for req/rsp */
357 u8 rsp_timeout; /* timeout in secs, 0-no response */
358 u8 cts; /* continue sequence */
359 u8 lp_fwtag; /* lport tag */
360 struct fchs_s fchs; /* request FC header structure */
361 __be32 req_len; /* request payload length */
362 __be32 rsp_maxlen; /* max response length expected */
363 struct bfi_alen_s req_alen; /* request buffer */
364 struct bfi_alen_s rsp_alen; /* response buffer */
365 };
366
367 /*
368 * FCXP send response structure
369 */
370 struct bfi_fcxp_send_rsp_s {
371 struct bfi_mhdr_s mh; /* Common msg header */
372 __be16 fcxp_tag; /* send request tag */
373 u8 req_status; /* request status */
374 u8 rsvd;
375 __be32 rsp_len; /* actual response length */
376 __be32 residue_len; /* residual response length */
377 struct fchs_s fchs; /* response FC header structure */
378 };
379
380 enum bfi_uf_h2i {
381 BFI_UF_H2I_BUF_POST = 1,
382 };
383
384 enum bfi_uf_i2h {
385 BFI_UF_I2H_FRM_RCVD = BFA_I2HM(1),
386 };
387
388 #define BFA_UF_MAX_SGES 2
389
390 struct bfi_uf_buf_post_s {
391 struct bfi_mhdr_s mh; /* Common msg header */
392 u16 buf_tag; /* buffer tag */
393 __be16 buf_len; /* total buffer length */
394 struct bfi_alen_s alen; /* buffer address/len pair */
395 };
396
397 struct bfi_uf_frm_rcvd_s {
398 struct bfi_mhdr_s mh; /* Common msg header */
399 u16 buf_tag; /* buffer tag */
400 u16 rsvd;
401 u16 frm_len; /* received frame length */
402 u16 xfr_len; /* tranferred length */
403 };
404
405 enum bfi_lps_h2i_msgs {
406 BFI_LPS_H2I_LOGIN_REQ = 1,
407 BFI_LPS_H2I_LOGOUT_REQ = 2,
408 BFI_LPS_H2I_N2N_PID_REQ = 3,
409 };
410
411 enum bfi_lps_i2h_msgs {
412 BFI_LPS_I2H_LOGIN_RSP = BFA_I2HM(1),
413 BFI_LPS_I2H_LOGOUT_RSP = BFA_I2HM(2),
414 BFI_LPS_I2H_CVL_EVENT = BFA_I2HM(3),
415 };
416
417 struct bfi_lps_login_req_s {
418 struct bfi_mhdr_s mh; /* common msg header */
419 u8 bfa_tag;
420 u8 alpa;
421 __be16 pdu_size;
422 wwn_t pwwn;
423 wwn_t nwwn;
424 u8 fdisc;
425 u8 auth_en;
426 u8 lps_role;
427 u8 bb_scn;
428 u32 vvl_flag;
429 };
430
431 struct bfi_lps_login_rsp_s {
432 struct bfi_mhdr_s mh; /* common msg header */
433 u8 fw_tag;
434 u8 status;
435 u8 lsrjt_rsn;
436 u8 lsrjt_expl;
437 wwn_t port_name;
438 wwn_t node_name;
439 __be16 bb_credit;
440 u8 f_port;
441 u8 npiv_en;
442 u32 lp_pid:24;
443 u32 auth_req:8;
444 mac_t lp_mac;
445 mac_t fcf_mac;
446 u8 ext_status;
447 u8 brcd_switch; /* attached peer is brcd switch */
448 u8 bfa_tag;
449 u8 rsvd;
450 };
451
452 struct bfi_lps_logout_req_s {
453 struct bfi_mhdr_s mh; /* common msg header */
454 u8 fw_tag;
455 u8 rsvd[3];
456 wwn_t port_name;
457 };
458
459 struct bfi_lps_logout_rsp_s {
460 struct bfi_mhdr_s mh; /* common msg header */
461 u8 bfa_tag;
462 u8 status;
463 u8 rsvd[2];
464 };
465
466 struct bfi_lps_cvl_event_s {
467 struct bfi_mhdr_s mh; /* common msg header */
468 u8 bfa_tag;
469 u8 rsvd[3];
470 };
471
472 struct bfi_lps_n2n_pid_req_s {
473 struct bfi_mhdr_s mh; /* common msg header */
474 u8 fw_tag;
475 u32 lp_pid:24;
476 };
477
478 union bfi_lps_h2i_msg_u {
479 struct bfi_mhdr_s *msg;
480 struct bfi_lps_login_req_s *login_req;
481 struct bfi_lps_logout_req_s *logout_req;
482 struct bfi_lps_n2n_pid_req_s *n2n_pid_req;
483 };
484
485 union bfi_lps_i2h_msg_u {
486 struct bfi_msg_s *msg;
487 struct bfi_lps_login_rsp_s *login_rsp;
488 struct bfi_lps_logout_rsp_s *logout_rsp;
489 struct bfi_lps_cvl_event_s *cvl_event;
490 };
491
492 enum bfi_rport_h2i_msgs {
493 BFI_RPORT_H2I_CREATE_REQ = 1,
494 BFI_RPORT_H2I_DELETE_REQ = 2,
495 BFI_RPORT_H2I_SET_SPEED_REQ = 3,
496 };
497
498 enum bfi_rport_i2h_msgs {
499 BFI_RPORT_I2H_CREATE_RSP = BFA_I2HM(1),
500 BFI_RPORT_I2H_DELETE_RSP = BFA_I2HM(2),
501 BFI_RPORT_I2H_QOS_SCN = BFA_I2HM(3),
502 BFI_RPORT_I2H_LIP_SCN_ONLINE = BFA_I2HM(4),
503 BFI_RPORT_I2H_LIP_SCN_OFFLINE = BFA_I2HM(5),
504 BFI_RPORT_I2H_NO_DEV = BFA_I2HM(6),
505 };
506
507 struct bfi_rport_create_req_s {
508 struct bfi_mhdr_s mh; /* common msg header */
509 u16 bfa_handle; /* host rport handle */
510 __be16 max_frmsz; /* max rcv pdu size */
511 u32 pid:24, /* remote port ID */
512 lp_fwtag:8; /* local port tag */
513 u32 local_pid:24, /* local port ID */
514 cisc:8;
515 u8 fc_class; /* supported FC classes */
516 u8 vf_en; /* virtual fabric enable */
517 u16 vf_id; /* virtual fabric ID */
518 };
519
520 struct bfi_rport_create_rsp_s {
521 struct bfi_mhdr_s mh; /* common msg header */
522 u8 status; /* rport creation status */
523 u8 rsvd[3];
524 u16 bfa_handle; /* host rport handle */
525 u16 fw_handle; /* firmware rport handle */
526 struct bfa_rport_qos_attr_s qos_attr; /* QoS Attributes */
527 };
528
529 struct bfa_rport_speed_req_s {
530 struct bfi_mhdr_s mh; /* common msg header */
531 u16 fw_handle; /* firmware rport handle */
532 u8 speed; /* rport's speed via RPSC */
533 u8 rsvd;
534 };
535
536 struct bfi_rport_delete_req_s {
537 struct bfi_mhdr_s mh; /* common msg header */
538 u16 fw_handle; /* firmware rport handle */
539 u16 rsvd;
540 };
541
542 struct bfi_rport_delete_rsp_s {
543 struct bfi_mhdr_s mh; /* common msg header */
544 u16 bfa_handle; /* host rport handle */
545 u8 status; /* rport deletion status */
546 u8 rsvd;
547 };
548
549 struct bfi_rport_qos_scn_s {
550 struct bfi_mhdr_s mh; /* common msg header */
551 u16 bfa_handle; /* host rport handle */
552 u16 rsvd;
553 struct bfa_rport_qos_attr_s old_qos_attr; /* Old QoS Attributes */
554 struct bfa_rport_qos_attr_s new_qos_attr; /* New QoS Attributes */
555 };
556
557 struct bfi_rport_lip_scn_s {
558 struct bfi_mhdr_s mh; /*!< common msg header */
559 u16 bfa_handle; /*!< host rport handle */
560 u8 status; /*!< scn online status */
561 u8 rsvd;
562 struct bfa_fcport_loop_info_s loop_info;
563 };
564
565 union bfi_rport_h2i_msg_u {
566 struct bfi_msg_s *msg;
567 struct bfi_rport_create_req_s *create_req;
568 struct bfi_rport_delete_req_s *delete_req;
569 struct bfi_rport_speed_req_s *speed_req;
570 };
571
572 union bfi_rport_i2h_msg_u {
573 struct bfi_msg_s *msg;
574 struct bfi_rport_create_rsp_s *create_rsp;
575 struct bfi_rport_delete_rsp_s *delete_rsp;
576 struct bfi_rport_qos_scn_s *qos_scn_evt;
577 struct bfi_rport_lip_scn_s *lip_scn;
578 };
579
580 /*
581 * Initiator mode I-T nexus interface defines.
582 */
583
584 enum bfi_itn_h2i {
585 BFI_ITN_H2I_CREATE_REQ = 1, /* i-t nexus creation */
586 BFI_ITN_H2I_DELETE_REQ = 2, /* i-t nexus deletion */
587 };
588
589 enum bfi_itn_i2h {
590 BFI_ITN_I2H_CREATE_RSP = BFA_I2HM(1),
591 BFI_ITN_I2H_DELETE_RSP = BFA_I2HM(2),
592 BFI_ITN_I2H_SLER_EVENT = BFA_I2HM(3),
593 };
594
595 struct bfi_itn_create_req_s {
596 struct bfi_mhdr_s mh; /* common msg header */
597 u16 fw_handle; /* f/w handle for itnim */
598 u8 class; /* FC class for IO */
599 u8 seq_rec; /* sequence recovery support */
600 u8 msg_no; /* seq id of the msg */
601 u8 role;
602 };
603
604 struct bfi_itn_create_rsp_s {
605 struct bfi_mhdr_s mh; /* common msg header */
606 u16 bfa_handle; /* bfa handle for itnim */
607 u8 status; /* fcp request status */
608 u8 seq_id; /* seq id of the msg */
609 };
610
611 struct bfi_itn_delete_req_s {
612 struct bfi_mhdr_s mh; /* common msg header */
613 u16 fw_handle; /* f/w itnim handle */
614 u8 seq_id; /* seq id of the msg */
615 u8 rsvd;
616 };
617
618 struct bfi_itn_delete_rsp_s {
619 struct bfi_mhdr_s mh; /* common msg header */
620 u16 bfa_handle; /* bfa handle for itnim */
621 u8 status; /* fcp request status */
622 u8 seq_id; /* seq id of the msg */
623 };
624
625 struct bfi_itn_sler_event_s {
626 struct bfi_mhdr_s mh; /* common msg header */
627 u16 bfa_handle; /* bfa handle for itnim */
628 u16 rsvd;
629 };
630
631 union bfi_itn_h2i_msg_u {
632 struct bfi_itn_create_req_s *create_req;
633 struct bfi_itn_delete_req_s *delete_req;
634 struct bfi_msg_s *msg;
635 };
636
637 union bfi_itn_i2h_msg_u {
638 struct bfi_itn_create_rsp_s *create_rsp;
639 struct bfi_itn_delete_rsp_s *delete_rsp;
640 struct bfi_itn_sler_event_s *sler_event;
641 struct bfi_msg_s *msg;
642 };
643
644 /*
645 * Initiator mode IO interface defines.
646 */
647
648 enum bfi_ioim_h2i {
649 BFI_IOIM_H2I_IOABORT_REQ = 1, /* IO abort request */
650 BFI_IOIM_H2I_IOCLEANUP_REQ = 2, /* IO cleanup request */
651 };
652
653 enum bfi_ioim_i2h {
654 BFI_IOIM_I2H_IO_RSP = BFA_I2HM(1), /* non-fp IO response */
655 BFI_IOIM_I2H_IOABORT_RSP = BFA_I2HM(2), /* ABORT rsp */
656 };
657
658 /*
659 * IO command DIF info
660 */
661 struct bfi_ioim_dif_s {
662 u32 dif_info[4];
663 };
664
665 /*
666 * FCP IO messages overview
667 *
668 * @note
669 * - Max CDB length supported is 64 bytes.
670 * - SCSI Linked commands and SCSI bi-directional Commands not
671 * supported.
672 *
673 */
674 struct bfi_ioim_req_s {
675 struct bfi_mhdr_s mh; /* Common msg header */
676 __be16 io_tag; /* I/O tag */
677 u16 rport_hdl; /* itnim/rport firmware handle */
678 struct fcp_cmnd_s cmnd; /* IO request info */
679
680 /*
681 * SG elements array within the IO request must be double word
682 * aligned. This aligment is required to optimize SGM setup for the IO.
683 */
684 struct bfi_sge_s sges[BFI_SGE_INLINE_MAX];
685 u8 io_timeout;
686 u8 dif_en;
687 u8 rsvd_a[2];
688 struct bfi_ioim_dif_s dif;
689 };
690
691 /*
692 * This table shows various IO status codes from firmware and their
693 * meaning. Host driver can use these status codes to further process
694 * IO completions.
695 *
696 * BFI_IOIM_STS_OK : IO completed with error free SCSI &
697 * transport status.
698 * io-tag can be reused.
699 *
700 * BFA_IOIM_STS_SCSI_ERR : IO completed with scsi error.
701 * - io-tag can be reused.
702 *
703 * BFI_IOIM_STS_HOST_ABORTED : IO was aborted successfully due to
704 * host request.
705 * - io-tag cannot be reused yet.
706 *
707 * BFI_IOIM_STS_ABORTED : IO was aborted successfully
708 * internally by f/w.
709 * - io-tag cannot be reused yet.
710 *
711 * BFI_IOIM_STS_TIMEDOUT : IO timedout and ABTS/RRQ is happening
712 * in the firmware and
713 * - io-tag cannot be reused yet.
714 *
715 * BFI_IOIM_STS_SQER_NEEDED : Firmware could not recover the IO
716 * with sequence level error
717 * logic and hence host needs to retry
718 * this IO with a different IO tag
719 * - io-tag cannot be used yet.
720 *
721 * BFI_IOIM_STS_NEXUS_ABORT : Second Level Error Recovery from host
722 * is required because 2 consecutive ABTS
723 * timedout and host needs logout and
724 * re-login with the target
725 * - io-tag cannot be used yet.
726 *
727 * BFI_IOIM_STS_UNDERRUN : IO completed with SCSI status good,
728 * but the data tranferred is less than
729 * the fcp data length in the command.
730 * ex. SCSI INQUIRY where transferred
731 * data length and residue count in FCP
732 * response accounts for total fcp-dl
733 * - io-tag can be reused.
734 *
735 * BFI_IOIM_STS_OVERRUN : IO completed with SCSI status good,
736 * but the data transerred is more than
737 * fcp data length in the command. ex.
738 * TAPE IOs where blocks can of unequal
739 * lengths.
740 * - io-tag can be reused.
741 *
742 * BFI_IOIM_STS_RES_FREE : Firmware has completed using io-tag
743 * during abort process
744 * - io-tag can be reused.
745 *
746 * BFI_IOIM_STS_PROTO_ERR : Firmware detected a protocol error.
747 * ex target sent more data than
748 * requested, or there was data frame
749 * loss and other reasons
750 * - io-tag cannot be used yet.
751 *
752 * BFI_IOIM_STS_DIF_ERR : Firwmare detected DIF error. ex: DIF
753 * CRC err or Ref Tag err or App tag err.
754 * - io-tag can be reused.
755 *
756 * BFA_IOIM_STS_TSK_MGT_ABORT : IO was aborted because of Task
757 * Management command from the host
758 * - io-tag can be reused.
759 *
760 * BFI_IOIM_STS_UTAG : Firmware does not know about this
761 * io_tag.
762 * - io-tag can be reused.
763 */
764 enum bfi_ioim_status {
765 BFI_IOIM_STS_OK = 0,
766 BFI_IOIM_STS_HOST_ABORTED = 1,
767 BFI_IOIM_STS_ABORTED = 2,
768 BFI_IOIM_STS_TIMEDOUT = 3,
769 BFI_IOIM_STS_RES_FREE = 4,
770 BFI_IOIM_STS_SQER_NEEDED = 5,
771 BFI_IOIM_STS_PROTO_ERR = 6,
772 BFI_IOIM_STS_UTAG = 7,
773 BFI_IOIM_STS_PATHTOV = 8,
774 };
775
776 /*
777 * I/O response message
778 */
779 struct bfi_ioim_rsp_s {
780 struct bfi_mhdr_s mh; /* common msg header */
781 __be16 io_tag; /* completed IO tag */
782 u16 bfa_rport_hndl; /* releated rport handle */
783 u8 io_status; /* IO completion status */
784 u8 reuse_io_tag; /* IO tag can be reused */
785 u16 abort_tag; /* host abort request tag */
786 u8 scsi_status; /* scsi status from target */
787 u8 sns_len; /* scsi sense length */
788 u8 resid_flags; /* IO residue flags */
789 u8 rsvd_a;
790 __be32 residue; /* IO residual length in bytes */
791 u32 rsvd_b[3];
792 };
793
794 struct bfi_ioim_abort_req_s {
795 struct bfi_mhdr_s mh; /* Common msg header */
796 __be16 io_tag; /* I/O tag */
797 u16 abort_tag; /* unique request tag */
798 };
799
800 /*
801 * Initiator mode task management command interface defines.
802 */
803
804 enum bfi_tskim_h2i {
805 BFI_TSKIM_H2I_TM_REQ = 1, /* task-mgmt command */
806 BFI_TSKIM_H2I_ABORT_REQ = 2, /* task-mgmt command */
807 };
808
809 enum bfi_tskim_i2h {
810 BFI_TSKIM_I2H_TM_RSP = BFA_I2HM(1),
811 };
812
813 struct bfi_tskim_req_s {
814 struct bfi_mhdr_s mh; /* Common msg header */
815 __be16 tsk_tag; /* task management tag */
816 u16 itn_fhdl; /* itn firmware handle */
817 struct scsi_lun lun; /* LU number */
818 u8 tm_flags; /* see enum fcp_tm_cmnd */
819 u8 t_secs; /* Timeout value in seconds */
820 u8 rsvd[2];
821 };
822
823 struct bfi_tskim_abortreq_s {
824 struct bfi_mhdr_s mh; /* Common msg header */
825 __be16 tsk_tag; /* task management tag */
826 u16 rsvd;
827 };
828
829 enum bfi_tskim_status {
830 /*
831 * Following are FCP-4 spec defined status codes,
832 * **DO NOT CHANGE THEM **
833 */
834 BFI_TSKIM_STS_OK = 0,
835 BFI_TSKIM_STS_NOT_SUPP = 4,
836 BFI_TSKIM_STS_FAILED = 5,
837
838 /*
839 * Defined by BFA
840 */
841 BFI_TSKIM_STS_TIMEOUT = 10, /* TM request timedout */
842 BFI_TSKIM_STS_ABORTED = 11, /* Aborted on host request */
843 BFI_TSKIM_STS_UTAG = 12, /* unknown tag for request */
844 };
845
846 struct bfi_tskim_rsp_s {
847 struct bfi_mhdr_s mh; /* Common msg header */
848 __be16 tsk_tag; /* task mgmt cmnd tag */
849 u8 tsk_status; /* @ref bfi_tskim_status */
850 u8 rsvd;
851 };
852
853 #pragma pack()
854
855 /*
856 * Crossbow PCI MSI-X vector defines
857 */
858 enum {
859 BFI_MSIX_CPE_QMIN_CB = 0,
860 BFI_MSIX_CPE_QMAX_CB = 7,
861 BFI_MSIX_RME_QMIN_CB = 8,
862 BFI_MSIX_RME_QMAX_CB = 15,
863 BFI_MSIX_CB_MAX = 22,
864 };
865
866 /*
867 * Catapult FC PCI MSI-X vector defines
868 */
869 enum {
870 BFI_MSIX_LPU_ERR_CT = 0,
871 BFI_MSIX_CPE_QMIN_CT = 1,
872 BFI_MSIX_CPE_QMAX_CT = 4,
873 BFI_MSIX_RME_QMIN_CT = 5,
874 BFI_MSIX_RME_QMAX_CT = 8,
875 BFI_MSIX_CT_MAX = 9,
876 };
877
878 #endif /* __BFI_MS_H__ */
Linux with added FPC-III support