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Linux 5.1.15
[linux/fpc-iii.git] / drivers / scsi / bfa / bfi_ms.h
blobccbd9e31a5dee847ea27b3f125c83dc54774be34
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 __BFI_MS_H__
20 #define __BFI_MS_H__
21
22 #include "bfi.h"
23 #include "bfa_fc.h"
24 #include "bfa_defs_svc.h"
25
26 #pragma pack(1)
27
28 enum bfi_iocfc_h2i_msgs {
29 BFI_IOCFC_H2I_CFG_REQ = 1,
30 BFI_IOCFC_H2I_SET_INTR_REQ = 2,
31 BFI_IOCFC_H2I_UPDATEQ_REQ = 3,
32 BFI_IOCFC_H2I_FAA_QUERY_REQ = 4,
33 BFI_IOCFC_H2I_ADDR_REQ = 5,
34 };
35
36 enum bfi_iocfc_i2h_msgs {
37 BFI_IOCFC_I2H_CFG_REPLY = BFA_I2HM(1),
38 BFI_IOCFC_I2H_UPDATEQ_RSP = BFA_I2HM(3),
39 BFI_IOCFC_I2H_FAA_QUERY_RSP = BFA_I2HM(4),
40 BFI_IOCFC_I2H_ADDR_MSG = BFA_I2HM(5),
41 };
42
43 struct bfi_iocfc_cfg_s {
44 u8 num_cqs; /* Number of CQs to be used */
45 u8 sense_buf_len; /* SCSI sense length */
46 u16 rsvd_1;
47 u32 endian_sig; /* endian signature of host */
48 u8 rsvd_2;
49 u8 single_msix_vec;
50 u8 rsvd[2];
51 __be16 num_ioim_reqs;
52 __be16 num_fwtio_reqs;
53
54
55 /*
56 * Request and response circular queue base addresses, size and
57 * shadow index pointers.
58 */
59 union bfi_addr_u req_cq_ba[BFI_IOC_MAX_CQS];
60 union bfi_addr_u req_shadow_ci[BFI_IOC_MAX_CQS];
61 __be16 req_cq_elems[BFI_IOC_MAX_CQS];
62 union bfi_addr_u rsp_cq_ba[BFI_IOC_MAX_CQS];
63 union bfi_addr_u rsp_shadow_pi[BFI_IOC_MAX_CQS];
64 __be16 rsp_cq_elems[BFI_IOC_MAX_CQS];
65
66 union bfi_addr_u stats_addr; /* DMA-able address for stats */
67 union bfi_addr_u cfgrsp_addr; /* config response dma address */
68 union bfi_addr_u ioim_snsbase[BFI_IOIM_SNSBUF_SEGS];
69 /* IO sense buf base addr segments */
70 struct bfa_iocfc_intr_attr_s intr_attr; /* IOC interrupt attributes */
71 };
72
73 /*
74 * Boot target wwn information for this port. This contains either the stored
75 * or discovered boot target port wwns for the port.
76 */
77 struct bfi_iocfc_bootwwns {
78 wwn_t wwn[BFA_BOOT_BOOTLUN_MAX];
79 u8 nwwns;
80 u8 rsvd[7];
81 };
82
83 /**
84 * Queue configuration response from firmware
85 */
86 struct bfi_iocfc_qreg_s {
87 u32 cpe_q_ci_off[BFI_IOC_MAX_CQS];
88 u32 cpe_q_pi_off[BFI_IOC_MAX_CQS];
89 u32 cpe_qctl_off[BFI_IOC_MAX_CQS];
90 u32 rme_q_ci_off[BFI_IOC_MAX_CQS];
91 u32 rme_q_pi_off[BFI_IOC_MAX_CQS];
92 u32 rme_qctl_off[BFI_IOC_MAX_CQS];
93 u8 hw_qid[BFI_IOC_MAX_CQS];
94 };
95
96 struct bfi_iocfc_cfgrsp_s {
97 struct bfa_iocfc_fwcfg_s fwcfg;
98 struct bfa_iocfc_intr_attr_s intr_attr;
99 struct bfi_iocfc_bootwwns bootwwns;
100 struct bfi_pbc_s pbc_cfg;
101 struct bfi_iocfc_qreg_s qreg;
102 };
103
104 /*
105 * BFI_IOCFC_H2I_CFG_REQ message
106 */
107 struct bfi_iocfc_cfg_req_s {
108 struct bfi_mhdr_s mh;
109 union bfi_addr_u ioc_cfg_dma_addr;
110 };
111
112
113 /*
114 * BFI_IOCFC_I2H_CFG_REPLY message
115 */
116 struct bfi_iocfc_cfg_reply_s {
117 struct bfi_mhdr_s mh; /* Common msg header */
118 u8 cfg_success; /* cfg reply status */
119 u8 lpu_bm; /* LPUs assigned for this IOC */
120 u8 rsvd[2];
121 };
122
123
124 /*
125 * BFI_IOCFC_H2I_SET_INTR_REQ message
126 */
127 struct bfi_iocfc_set_intr_req_s {
128 struct bfi_mhdr_s mh; /* common msg header */
129 u8 coalesce; /* enable intr coalescing */
130 u8 rsvd[3];
131 __be16 delay; /* delay timer 0..1125us */
132 __be16 latency; /* latency timer 0..225us */
133 };
134
135
136 /*
137 * BFI_IOCFC_H2I_UPDATEQ_REQ message
138 */
139 struct bfi_iocfc_updateq_req_s {
140 struct bfi_mhdr_s mh; /* common msg header */
141 u32 reqq_ba; /* reqq base addr */
142 u32 rspq_ba; /* rspq base addr */
143 u32 reqq_sci; /* reqq shadow ci */
144 u32 rspq_spi; /* rspq shadow pi */
145 };
146
147
148 /*
149 * BFI_IOCFC_I2H_UPDATEQ_RSP message
150 */
151 struct bfi_iocfc_updateq_rsp_s {
152 struct bfi_mhdr_s mh; /* common msg header */
153 u8 status; /* updateq status */
154 u8 rsvd[3];
155 };
156
157
158 /*
159 * H2I Messages
160 */
161 union bfi_iocfc_h2i_msg_u {
162 struct bfi_mhdr_s mh;
163 struct bfi_iocfc_cfg_req_s cfg_req;
164 struct bfi_iocfc_updateq_req_s updateq_req;
165 u32 mboxmsg[BFI_IOC_MSGSZ];
166 };
167
168
169 /*
170 * I2H Messages
171 */
172 union bfi_iocfc_i2h_msg_u {
173 struct bfi_mhdr_s mh;
174 struct bfi_iocfc_cfg_reply_s cfg_reply;
175 struct bfi_iocfc_updateq_rsp_s updateq_rsp;
176 u32 mboxmsg[BFI_IOC_MSGSZ];
177 };
178
179 /*
180 * BFI_IOCFC_H2I_FAA_ENABLE_REQ BFI_IOCFC_H2I_FAA_DISABLE_REQ message
181 */
182 struct bfi_faa_en_dis_s {
183 struct bfi_mhdr_s mh; /* common msg header */
184 };
185
186 struct bfi_faa_addr_msg_s {
187 struct bfi_mhdr_s mh; /* common msg header */
188 u8 rsvd[4];
189 wwn_t pwwn; /* Fabric acquired PWWN */
190 wwn_t nwwn; /* Fabric acquired PWWN */
191 };
192
193 /*
194 * BFI_IOCFC_H2I_FAA_QUERY_REQ message
195 */
196 struct bfi_faa_query_s {
197 struct bfi_mhdr_s mh; /* common msg header */
198 u8 faa_status; /* FAA status */
199 u8 addr_source; /* PWWN source */
200 u8 rsvd[2];
201 wwn_t faa; /* Fabric acquired PWWN */
202 };
203
204 /*
205 * BFI_IOCFC_I2H_FAA_ENABLE_RSP, BFI_IOCFC_I2H_FAA_DISABLE_RSP message
206 */
207 struct bfi_faa_en_dis_rsp_s {
208 struct bfi_mhdr_s mh; /* common msg header */
209 u8 status; /* updateq status */
210 u8 rsvd[3];
211 };
212
213 /*
214 * BFI_IOCFC_I2H_FAA_QUERY_RSP message
215 */
216 #define bfi_faa_query_rsp_t struct bfi_faa_query_s
217
218 enum bfi_fcport_h2i {
219 BFI_FCPORT_H2I_ENABLE_REQ = (1),
220 BFI_FCPORT_H2I_DISABLE_REQ = (2),
221 BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ = (3),
222 BFI_FCPORT_H2I_STATS_GET_REQ = (4),
223 BFI_FCPORT_H2I_STATS_CLEAR_REQ = (5),
224 };
225
226
227 enum bfi_fcport_i2h {
228 BFI_FCPORT_I2H_ENABLE_RSP = BFA_I2HM(1),
229 BFI_FCPORT_I2H_DISABLE_RSP = BFA_I2HM(2),
230 BFI_FCPORT_I2H_SET_SVC_PARAMS_RSP = BFA_I2HM(3),
231 BFI_FCPORT_I2H_STATS_GET_RSP = BFA_I2HM(4),
232 BFI_FCPORT_I2H_STATS_CLEAR_RSP = BFA_I2HM(5),
233 BFI_FCPORT_I2H_EVENT = BFA_I2HM(6),
234 BFI_FCPORT_I2H_TRUNK_SCN = BFA_I2HM(7),
235 BFI_FCPORT_I2H_ENABLE_AEN = BFA_I2HM(8),
236 BFI_FCPORT_I2H_DISABLE_AEN = BFA_I2HM(9),
237 };
238
239
240 /*
241 * Generic REQ type
242 */
243 struct bfi_fcport_req_s {
244 struct bfi_mhdr_s mh; /* msg header */
245 u32 msgtag; /* msgtag for reply */
246 };
247
248 /*
249 * Generic RSP type
250 */
251 struct bfi_fcport_rsp_s {
252 struct bfi_mhdr_s mh; /* common msg header */
253 u8 status; /* port enable status */
254 u8 rsvd[3];
255 struct bfa_port_cfg_s port_cfg;/* port configuration */
256 u32 msgtag; /* msgtag for reply */
257 };
258
259 /*
260 * BFI_FCPORT_H2I_ENABLE_REQ
261 */
262 struct bfi_fcport_enable_req_s {
263 struct bfi_mhdr_s mh; /* msg header */
264 u32 rsvd1;
265 wwn_t nwwn; /* node wwn of physical port */
266 wwn_t pwwn; /* port wwn of physical port */
267 struct bfa_port_cfg_s port_cfg; /* port configuration */
268 union bfi_addr_u stats_dma_addr; /* DMA address for stats */
269 u32 msgtag; /* msgtag for reply */
270 u8 use_flash_cfg; /* get prot cfg from flash */
271 u8 rsvd2[3];
272 };
273
274 /*
275 * BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ
276 */
277 struct bfi_fcport_set_svc_params_req_s {
278 struct bfi_mhdr_s mh; /* msg header */
279 __be16 tx_bbcredit; /* Tx credits */
280 u8 rsvd[2];
281 };
282
283 /*
284 * BFI_FCPORT_I2H_EVENT
285 */
286 struct bfi_fcport_event_s {
287 struct bfi_mhdr_s mh; /* common msg header */
288 struct bfa_port_link_s link_state;
289 };
290
291 /*
292 * BFI_FCPORT_I2H_TRUNK_SCN
293 */
294 struct bfi_fcport_trunk_link_s {
295 wwn_t trunk_wwn;
296 u8 fctl; /* bfa_trunk_link_fctl_t */
297 u8 state; /* bfa_trunk_link_state_t */
298 u8 speed; /* bfa_port_speed_t */
299 u8 rsvd;
300 __be32 deskew;
301 };
302
303 #define BFI_FCPORT_MAX_LINKS 2
304 struct bfi_fcport_trunk_scn_s {
305 struct bfi_mhdr_s mh;
306 u8 trunk_state; /* bfa_trunk_state_t */
307 u8 trunk_speed; /* bfa_port_speed_t */
308 u8 rsvd_a[2];
309 struct bfi_fcport_trunk_link_s tlink[BFI_FCPORT_MAX_LINKS];
310 };
311
312 /*
313 * fcport H2I message
314 */
315 union bfi_fcport_h2i_msg_u {
316 struct bfi_mhdr_s *mhdr;
317 struct bfi_fcport_enable_req_s *penable;
318 struct bfi_fcport_req_s *pdisable;
319 struct bfi_fcport_set_svc_params_req_s *psetsvcparams;
320 struct bfi_fcport_req_s *pstatsget;
321 struct bfi_fcport_req_s *pstatsclear;
322 };
323
324 /*
325 * fcport I2H message
326 */
327 union bfi_fcport_i2h_msg_u {
328 struct bfi_msg_s *msg;
329 struct bfi_fcport_rsp_s *penable_rsp;
330 struct bfi_fcport_rsp_s *pdisable_rsp;
331 struct bfi_fcport_rsp_s *psetsvcparams_rsp;
332 struct bfi_fcport_rsp_s *pstatsget_rsp;
333 struct bfi_fcport_rsp_s *pstatsclear_rsp;
334 struct bfi_fcport_event_s *event;
335 struct bfi_fcport_trunk_scn_s *trunk_scn;
336 };
337
338 enum bfi_fcxp_h2i {
339 BFI_FCXP_H2I_SEND_REQ = 1,
340 };
341
342 enum bfi_fcxp_i2h {
343 BFI_FCXP_I2H_SEND_RSP = BFA_I2HM(1),
344 };
345
346 #define BFA_FCXP_MAX_SGES 2
347
348 /*
349 * FCXP send request structure
350 */
351 struct bfi_fcxp_send_req_s {
352 struct bfi_mhdr_s mh; /* Common msg header */
353 __be16 fcxp_tag; /* driver request tag */
354 __be16 max_frmsz; /* max send frame size */
355 __be16 vf_id; /* vsan tag if applicable */
356 u16 rport_fw_hndl; /* FW Handle for the remote port */
357 u8 class; /* FC class used for req/rsp */
358 u8 rsp_timeout; /* timeout in secs, 0-no response */
359 u8 cts; /* continue sequence */
360 u8 lp_fwtag; /* lport tag */
361 struct fchs_s fchs; /* request FC header structure */
362 __be32 req_len; /* request payload length */
363 __be32 rsp_maxlen; /* max response length expected */
364 struct bfi_alen_s req_alen; /* request buffer */
365 struct bfi_alen_s rsp_alen; /* response buffer */
366 };
367
368 /*
369 * FCXP send response structure
370 */
371 struct bfi_fcxp_send_rsp_s {
372 struct bfi_mhdr_s mh; /* Common msg header */
373 __be16 fcxp_tag; /* send request tag */
374 u8 req_status; /* request status */
375 u8 rsvd;
376 __be32 rsp_len; /* actual response length */
377 __be32 residue_len; /* residual response length */
378 struct fchs_s fchs; /* response FC header structure */
379 };
380
381 enum bfi_uf_h2i {
382 BFI_UF_H2I_BUF_POST = 1,
383 };
384
385 enum bfi_uf_i2h {
386 BFI_UF_I2H_FRM_RCVD = BFA_I2HM(1),
387 };
388
389 #define BFA_UF_MAX_SGES 2
390
391 struct bfi_uf_buf_post_s {
392 struct bfi_mhdr_s mh; /* Common msg header */
393 u16 buf_tag; /* buffer tag */
394 __be16 buf_len; /* total buffer length */
395 struct bfi_alen_s alen; /* buffer address/len pair */
396 };
397
398 struct bfi_uf_frm_rcvd_s {
399 struct bfi_mhdr_s mh; /* Common msg header */
400 u16 buf_tag; /* buffer tag */
401 u16 rsvd;
402 u16 frm_len; /* received frame length */
403 u16 xfr_len; /* tranferred length */
404 };
405
406 enum bfi_lps_h2i_msgs {
407 BFI_LPS_H2I_LOGIN_REQ = 1,
408 BFI_LPS_H2I_LOGOUT_REQ = 2,
409 BFI_LPS_H2I_N2N_PID_REQ = 3,
410 };
411
412 enum bfi_lps_i2h_msgs {
413 BFI_LPS_I2H_LOGIN_RSP = BFA_I2HM(1),
414 BFI_LPS_I2H_LOGOUT_RSP = BFA_I2HM(2),
415 BFI_LPS_I2H_CVL_EVENT = BFA_I2HM(3),
416 };
417
418 struct bfi_lps_login_req_s {
419 struct bfi_mhdr_s mh; /* common msg header */
420 u8 bfa_tag;
421 u8 alpa;
422 __be16 pdu_size;
423 wwn_t pwwn;
424 wwn_t nwwn;
425 u8 fdisc;
426 u8 auth_en;
427 u8 lps_role;
428 u8 bb_scn;
429 u32 vvl_flag;
430 };
431
432 struct bfi_lps_login_rsp_s {
433 struct bfi_mhdr_s mh; /* common msg header */
434 u8 fw_tag;
435 u8 status;
436 u8 lsrjt_rsn;
437 u8 lsrjt_expl;
438 wwn_t port_name;
439 wwn_t node_name;
440 __be16 bb_credit;
441 u8 f_port;
442 u8 npiv_en;
443 u32 lp_pid:24;
444 u32 auth_req:8;
445 mac_t lp_mac;
446 mac_t fcf_mac;
447 u8 ext_status;
448 u8 brcd_switch; /* attached peer is brcd switch */
449 u8 bfa_tag;
450 u8 rsvd;
451 };
452
453 struct bfi_lps_logout_req_s {
454 struct bfi_mhdr_s mh; /* common msg header */
455 u8 fw_tag;
456 u8 rsvd[3];
457 wwn_t port_name;
458 };
459
460 struct bfi_lps_logout_rsp_s {
461 struct bfi_mhdr_s mh; /* common msg header */
462 u8 bfa_tag;
463 u8 status;
464 u8 rsvd[2];
465 };
466
467 struct bfi_lps_cvl_event_s {
468 struct bfi_mhdr_s mh; /* common msg header */
469 u8 bfa_tag;
470 u8 rsvd[3];
471 };
472
473 struct bfi_lps_n2n_pid_req_s {
474 struct bfi_mhdr_s mh; /* common msg header */
475 u8 fw_tag;
476 u32 lp_pid:24;
477 };
478
479 union bfi_lps_h2i_msg_u {
480 struct bfi_mhdr_s *msg;
481 struct bfi_lps_login_req_s *login_req;
482 struct bfi_lps_logout_req_s *logout_req;
483 struct bfi_lps_n2n_pid_req_s *n2n_pid_req;
484 };
485
486 union bfi_lps_i2h_msg_u {
487 struct bfi_msg_s *msg;
488 struct bfi_lps_login_rsp_s *login_rsp;
489 struct bfi_lps_logout_rsp_s *logout_rsp;
490 struct bfi_lps_cvl_event_s *cvl_event;
491 };
492
493 enum bfi_rport_h2i_msgs {
494 BFI_RPORT_H2I_CREATE_REQ = 1,
495 BFI_RPORT_H2I_DELETE_REQ = 2,
496 BFI_RPORT_H2I_SET_SPEED_REQ = 3,
497 };
498
499 enum bfi_rport_i2h_msgs {
500 BFI_RPORT_I2H_CREATE_RSP = BFA_I2HM(1),
501 BFI_RPORT_I2H_DELETE_RSP = BFA_I2HM(2),
502 BFI_RPORT_I2H_QOS_SCN = BFA_I2HM(3),
503 BFI_RPORT_I2H_LIP_SCN_ONLINE = BFA_I2HM(4),
504 BFI_RPORT_I2H_LIP_SCN_OFFLINE = BFA_I2HM(5),
505 BFI_RPORT_I2H_NO_DEV = BFA_I2HM(6),
506 };
507
508 struct bfi_rport_create_req_s {
509 struct bfi_mhdr_s mh; /* common msg header */
510 u16 bfa_handle; /* host rport handle */
511 __be16 max_frmsz; /* max rcv pdu size */
512 u32 pid:24, /* remote port ID */
513 lp_fwtag:8; /* local port tag */
514 u32 local_pid:24, /* local port ID */
515 cisc:8;
516 u8 fc_class; /* supported FC classes */
517 u8 vf_en; /* virtual fabric enable */
518 u16 vf_id; /* virtual fabric ID */
519 };
520
521 struct bfi_rport_create_rsp_s {
522 struct bfi_mhdr_s mh; /* common msg header */
523 u8 status; /* rport creation status */
524 u8 rsvd[3];
525 u16 bfa_handle; /* host rport handle */
526 u16 fw_handle; /* firmware rport handle */
527 struct bfa_rport_qos_attr_s qos_attr; /* QoS Attributes */
528 };
529
530 struct bfa_rport_speed_req_s {
531 struct bfi_mhdr_s mh; /* common msg header */
532 u16 fw_handle; /* firmware rport handle */
533 u8 speed; /* rport's speed via RPSC */
534 u8 rsvd;
535 };
536
537 struct bfi_rport_delete_req_s {
538 struct bfi_mhdr_s mh; /* common msg header */
539 u16 fw_handle; /* firmware rport handle */
540 u16 rsvd;
541 };
542
543 struct bfi_rport_delete_rsp_s {
544 struct bfi_mhdr_s mh; /* common msg header */
545 u16 bfa_handle; /* host rport handle */
546 u8 status; /* rport deletion status */
547 u8 rsvd;
548 };
549
550 struct bfi_rport_qos_scn_s {
551 struct bfi_mhdr_s mh; /* common msg header */
552 u16 bfa_handle; /* host rport handle */
553 u16 rsvd;
554 struct bfa_rport_qos_attr_s old_qos_attr; /* Old QoS Attributes */
555 struct bfa_rport_qos_attr_s new_qos_attr; /* New QoS Attributes */
556 };
557
558 struct bfi_rport_lip_scn_s {
559 struct bfi_mhdr_s mh; /*!< common msg header */
560 u16 bfa_handle; /*!< host rport handle */
561 u8 status; /*!< scn online status */
562 u8 rsvd;
563 struct bfa_fcport_loop_info_s loop_info;
564 };
565
566 union bfi_rport_h2i_msg_u {
567 struct bfi_msg_s *msg;
568 struct bfi_rport_create_req_s *create_req;
569 struct bfi_rport_delete_req_s *delete_req;
570 struct bfi_rport_speed_req_s *speed_req;
571 };
572
573 union bfi_rport_i2h_msg_u {
574 struct bfi_msg_s *msg;
575 struct bfi_rport_create_rsp_s *create_rsp;
576 struct bfi_rport_delete_rsp_s *delete_rsp;
577 struct bfi_rport_qos_scn_s *qos_scn_evt;
578 struct bfi_rport_lip_scn_s *lip_scn;
579 };
580
581 /*
582 * Initiator mode I-T nexus interface defines.
583 */
584
585 enum bfi_itn_h2i {
586 BFI_ITN_H2I_CREATE_REQ = 1, /* i-t nexus creation */
587 BFI_ITN_H2I_DELETE_REQ = 2, /* i-t nexus deletion */
588 };
589
590 enum bfi_itn_i2h {
591 BFI_ITN_I2H_CREATE_RSP = BFA_I2HM(1),
592 BFI_ITN_I2H_DELETE_RSP = BFA_I2HM(2),
593 BFI_ITN_I2H_SLER_EVENT = BFA_I2HM(3),
594 };
595
596 struct bfi_itn_create_req_s {
597 struct bfi_mhdr_s mh; /* common msg header */
598 u16 fw_handle; /* f/w handle for itnim */
599 u8 class; /* FC class for IO */
600 u8 seq_rec; /* sequence recovery support */
601 u8 msg_no; /* seq id of the msg */
602 u8 role;
603 };
604
605 struct bfi_itn_create_rsp_s {
606 struct bfi_mhdr_s mh; /* common msg header */
607 u16 bfa_handle; /* bfa handle for itnim */
608 u8 status; /* fcp request status */
609 u8 seq_id; /* seq id of the msg */
610 };
611
612 struct bfi_itn_delete_req_s {
613 struct bfi_mhdr_s mh; /* common msg header */
614 u16 fw_handle; /* f/w itnim handle */
615 u8 seq_id; /* seq id of the msg */
616 u8 rsvd;
617 };
618
619 struct bfi_itn_delete_rsp_s {
620 struct bfi_mhdr_s mh; /* common msg header */
621 u16 bfa_handle; /* bfa handle for itnim */
622 u8 status; /* fcp request status */
623 u8 seq_id; /* seq id of the msg */
624 };
625
626 struct bfi_itn_sler_event_s {
627 struct bfi_mhdr_s mh; /* common msg header */
628 u16 bfa_handle; /* bfa handle for itnim */
629 u16 rsvd;
630 };
631
632 union bfi_itn_h2i_msg_u {
633 struct bfi_itn_create_req_s *create_req;
634 struct bfi_itn_delete_req_s *delete_req;
635 struct bfi_msg_s *msg;
636 };
637
638 union bfi_itn_i2h_msg_u {
639 struct bfi_itn_create_rsp_s *create_rsp;
640 struct bfi_itn_delete_rsp_s *delete_rsp;
641 struct bfi_itn_sler_event_s *sler_event;
642 struct bfi_msg_s *msg;
643 };
644
645 /*
646 * Initiator mode IO interface defines.
647 */
648
649 enum bfi_ioim_h2i {
650 BFI_IOIM_H2I_IOABORT_REQ = 1, /* IO abort request */
651 BFI_IOIM_H2I_IOCLEANUP_REQ = 2, /* IO cleanup request */
652 };
653
654 enum bfi_ioim_i2h {
655 BFI_IOIM_I2H_IO_RSP = BFA_I2HM(1), /* non-fp IO response */
656 BFI_IOIM_I2H_IOABORT_RSP = BFA_I2HM(2), /* ABORT rsp */
657 };
658
659 /*
660 * IO command DIF info
661 */
662 struct bfi_ioim_dif_s {
663 u32 dif_info[4];
664 };
665
666 /*
667 * FCP IO messages overview
668 *
669 * @note
670 * - Max CDB length supported is 64 bytes.
671 * - SCSI Linked commands and SCSI bi-directional Commands not
672 * supported.
673 *
674 */
675 struct bfi_ioim_req_s {
676 struct bfi_mhdr_s mh; /* Common msg header */
677 __be16 io_tag; /* I/O tag */
678 u16 rport_hdl; /* itnim/rport firmware handle */
679 struct fcp_cmnd_s cmnd; /* IO request info */
680
681 /*
682 * SG elements array within the IO request must be double word
683 * aligned. This alignment is required to optimize SGM setup for the IO.
684 */
685 struct bfi_sge_s sges[BFI_SGE_INLINE_MAX];
686 u8 io_timeout;
687 u8 dif_en;
688 u8 rsvd_a[2];
689 struct bfi_ioim_dif_s dif;
690 };
691
692 /*
693 * This table shows various IO status codes from firmware and their
694 * meaning. Host driver can use these status codes to further process
695 * IO completions.
696 *
697 * BFI_IOIM_STS_OK : IO completed with error free SCSI &
698 * transport status.
699 * io-tag can be reused.
700 *
701 * BFA_IOIM_STS_SCSI_ERR : IO completed with scsi error.
702 * - io-tag can be reused.
703 *
704 * BFI_IOIM_STS_HOST_ABORTED : IO was aborted successfully due to
705 * host request.
706 * - io-tag cannot be reused yet.
707 *
708 * BFI_IOIM_STS_ABORTED : IO was aborted successfully
709 * internally by f/w.
710 * - io-tag cannot be reused yet.
711 *
712 * BFI_IOIM_STS_TIMEDOUT : IO timedout and ABTS/RRQ is happening
713 * in the firmware and
714 * - io-tag cannot be reused yet.
715 *
716 * BFI_IOIM_STS_SQER_NEEDED : Firmware could not recover the IO
717 * with sequence level error
718 * logic and hence host needs to retry
719 * this IO with a different IO tag
720 * - io-tag cannot be used yet.
721 *
722 * BFI_IOIM_STS_NEXUS_ABORT : Second Level Error Recovery from host
723 * is required because 2 consecutive ABTS
724 * timedout and host needs logout and
725 * re-login with the target
726 * - io-tag cannot be used yet.
727 *
728 * BFI_IOIM_STS_UNDERRUN : IO completed with SCSI status good,
729 * but the data tranferred is less than
730 * the fcp data length in the command.
731 * ex. SCSI INQUIRY where transferred
732 * data length and residue count in FCP
733 * response accounts for total fcp-dl
734 * - io-tag can be reused.
735 *
736 * BFI_IOIM_STS_OVERRUN : IO completed with SCSI status good,
737 * but the data transerred is more than
738 * fcp data length in the command. ex.
739 * TAPE IOs where blocks can of unequal
740 * lengths.
741 * - io-tag can be reused.
742 *
743 * BFI_IOIM_STS_RES_FREE : Firmware has completed using io-tag
744 * during abort process
745 * - io-tag can be reused.
746 *
747 * BFI_IOIM_STS_PROTO_ERR : Firmware detected a protocol error.
748 * ex target sent more data than
749 * requested, or there was data frame
750 * loss and other reasons
751 * - io-tag cannot be used yet.
752 *
753 * BFI_IOIM_STS_DIF_ERR : Firwmare detected DIF error. ex: DIF
754 * CRC err or Ref Tag err or App tag err.
755 * - io-tag can be reused.
756 *
757 * BFA_IOIM_STS_TSK_MGT_ABORT : IO was aborted because of Task
758 * Management command from the host
759 * - io-tag can be reused.
760 *
761 * BFI_IOIM_STS_UTAG : Firmware does not know about this
762 * io_tag.
763 * - io-tag can be reused.
764 */
765 enum bfi_ioim_status {
766 BFI_IOIM_STS_OK = 0,
767 BFI_IOIM_STS_HOST_ABORTED = 1,
768 BFI_IOIM_STS_ABORTED = 2,
769 BFI_IOIM_STS_TIMEDOUT = 3,
770 BFI_IOIM_STS_RES_FREE = 4,
771 BFI_IOIM_STS_SQER_NEEDED = 5,
772 BFI_IOIM_STS_PROTO_ERR = 6,
773 BFI_IOIM_STS_UTAG = 7,
774 BFI_IOIM_STS_PATHTOV = 8,
775 };
776
777 /*
778 * I/O response message
779 */
780 struct bfi_ioim_rsp_s {
781 struct bfi_mhdr_s mh; /* common msg header */
782 __be16 io_tag; /* completed IO tag */
783 u16 bfa_rport_hndl; /* releated rport handle */
784 u8 io_status; /* IO completion status */
785 u8 reuse_io_tag; /* IO tag can be reused */
786 u16 abort_tag; /* host abort request tag */
787 u8 scsi_status; /* scsi status from target */
788 u8 sns_len; /* scsi sense length */
789 u8 resid_flags; /* IO residue flags */
790 u8 rsvd_a;
791 __be32 residue; /* IO residual length in bytes */
792 u32 rsvd_b[3];
793 };
794
795 struct bfi_ioim_abort_req_s {
796 struct bfi_mhdr_s mh; /* Common msg header */
797 __be16 io_tag; /* I/O tag */
798 u16 abort_tag; /* unique request tag */
799 };
800
801 /*
802 * Initiator mode task management command interface defines.
803 */
804
805 enum bfi_tskim_h2i {
806 BFI_TSKIM_H2I_TM_REQ = 1, /* task-mgmt command */
807 BFI_TSKIM_H2I_ABORT_REQ = 2, /* task-mgmt command */
808 };
809
810 enum bfi_tskim_i2h {
811 BFI_TSKIM_I2H_TM_RSP = BFA_I2HM(1),
812 };
813
814 struct bfi_tskim_req_s {
815 struct bfi_mhdr_s mh; /* Common msg header */
816 __be16 tsk_tag; /* task management tag */
817 u16 itn_fhdl; /* itn firmware handle */
818 struct scsi_lun lun; /* LU number */
819 u8 tm_flags; /* see enum fcp_tm_cmnd */
820 u8 t_secs; /* Timeout value in seconds */
821 u8 rsvd[2];
822 };
823
824 struct bfi_tskim_abortreq_s {
825 struct bfi_mhdr_s mh; /* Common msg header */
826 __be16 tsk_tag; /* task management tag */
827 u16 rsvd;
828 };
829
830 enum bfi_tskim_status {
831 /*
832 * Following are FCP-4 spec defined status codes,
833 * **DO NOT CHANGE THEM **
834 */
835 BFI_TSKIM_STS_OK = 0,
836 BFI_TSKIM_STS_NOT_SUPP = 4,
837 BFI_TSKIM_STS_FAILED = 5,
838
839 /*
840 * Defined by BFA
841 */
842 BFI_TSKIM_STS_TIMEOUT = 10, /* TM request timedout */
843 BFI_TSKIM_STS_ABORTED = 11, /* Aborted on host request */
844 BFI_TSKIM_STS_UTAG = 12, /* unknown tag for request */
845 };
846
847 struct bfi_tskim_rsp_s {
848 struct bfi_mhdr_s mh; /* Common msg header */
849 __be16 tsk_tag; /* task mgmt cmnd tag */
850 u8 tsk_status; /* @ref bfi_tskim_status */
851 u8 rsvd;
852 };
853
854 #pragma pack()
855
856 /*
857 * Crossbow PCI MSI-X vector defines
858 */
859 enum {
860 BFI_MSIX_CPE_QMIN_CB = 0,
861 BFI_MSIX_CPE_QMAX_CB = 7,
862 BFI_MSIX_RME_QMIN_CB = 8,
863 BFI_MSIX_RME_QMAX_CB = 15,
864 BFI_MSIX_CB_MAX = 22,
865 };
866
867 /*
868 * Catapult FC PCI MSI-X vector defines
869 */
870 enum {
871 BFI_MSIX_LPU_ERR_CT = 0,
872 BFI_MSIX_CPE_QMIN_CT = 1,
873 BFI_MSIX_CPE_QMAX_CT = 4,
874 BFI_MSIX_RME_QMIN_CT = 5,
875 BFI_MSIX_RME_QMAX_CT = 8,
876 BFI_MSIX_CT_MAX = 9,
877 };
878
879 #endif /* __BFI_MS_H__ */
Linux with added FPC-III support