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Merge tag 'block-5.11-2021-01-10' of git://git.kernel.dk/linux-block
[linux/fpc-iii.git] / drivers / scsi / bfa / bfi_ms.h
blobb9dc0b9bb814fb7d9056312a8aadf1687bfebf6b
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
4 * Copyright (c) 2014- QLogic Corporation.
5 * All rights reserved
6 * www.qlogic.com
7 *
8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
9 */
10
11 #ifndef __BFI_MS_H__
12 #define __BFI_MS_H__
13
14 #include "bfi.h"
15 #include "bfa_fc.h"
16 #include "bfa_defs_svc.h"
17
18 #pragma pack(1)
19
20 enum bfi_iocfc_h2i_msgs {
21 BFI_IOCFC_H2I_CFG_REQ = 1,
22 BFI_IOCFC_H2I_SET_INTR_REQ = 2,
23 BFI_IOCFC_H2I_UPDATEQ_REQ = 3,
24 BFI_IOCFC_H2I_FAA_QUERY_REQ = 4,
25 BFI_IOCFC_H2I_ADDR_REQ = 5,
26 };
27
28 enum bfi_iocfc_i2h_msgs {
29 BFI_IOCFC_I2H_CFG_REPLY = BFA_I2HM(1),
30 BFI_IOCFC_I2H_UPDATEQ_RSP = BFA_I2HM(3),
31 BFI_IOCFC_I2H_FAA_QUERY_RSP = BFA_I2HM(4),
32 BFI_IOCFC_I2H_ADDR_MSG = BFA_I2HM(5),
33 };
34
35 struct bfi_iocfc_cfg_s {
36 u8 num_cqs; /* Number of CQs to be used */
37 u8 sense_buf_len; /* SCSI sense length */
38 u16 rsvd_1;
39 u32 endian_sig; /* endian signature of host */
40 u8 rsvd_2;
41 u8 single_msix_vec;
42 u8 rsvd[2];
43 __be16 num_ioim_reqs;
44 __be16 num_fwtio_reqs;
45
46
47 /*
48 * Request and response circular queue base addresses, size and
49 * shadow index pointers.
50 */
51 union bfi_addr_u req_cq_ba[BFI_IOC_MAX_CQS];
52 union bfi_addr_u req_shadow_ci[BFI_IOC_MAX_CQS];
53 __be16 req_cq_elems[BFI_IOC_MAX_CQS];
54 union bfi_addr_u rsp_cq_ba[BFI_IOC_MAX_CQS];
55 union bfi_addr_u rsp_shadow_pi[BFI_IOC_MAX_CQS];
56 __be16 rsp_cq_elems[BFI_IOC_MAX_CQS];
57
58 union bfi_addr_u stats_addr; /* DMA-able address for stats */
59 union bfi_addr_u cfgrsp_addr; /* config response dma address */
60 union bfi_addr_u ioim_snsbase[BFI_IOIM_SNSBUF_SEGS];
61 /* IO sense buf base addr segments */
62 struct bfa_iocfc_intr_attr_s intr_attr; /* IOC interrupt attributes */
63 };
64
65 /*
66 * Boot target wwn information for this port. This contains either the stored
67 * or discovered boot target port wwns for the port.
68 */
69 struct bfi_iocfc_bootwwns {
70 wwn_t wwn[BFA_BOOT_BOOTLUN_MAX];
71 u8 nwwns;
72 u8 rsvd[7];
73 };
74
75 /**
76 * Queue configuration response from firmware
77 */
78 struct bfi_iocfc_qreg_s {
79 u32 cpe_q_ci_off[BFI_IOC_MAX_CQS];
80 u32 cpe_q_pi_off[BFI_IOC_MAX_CQS];
81 u32 cpe_qctl_off[BFI_IOC_MAX_CQS];
82 u32 rme_q_ci_off[BFI_IOC_MAX_CQS];
83 u32 rme_q_pi_off[BFI_IOC_MAX_CQS];
84 u32 rme_qctl_off[BFI_IOC_MAX_CQS];
85 u8 hw_qid[BFI_IOC_MAX_CQS];
86 };
87
88 struct bfi_iocfc_cfgrsp_s {
89 struct bfa_iocfc_fwcfg_s fwcfg;
90 struct bfa_iocfc_intr_attr_s intr_attr;
91 struct bfi_iocfc_bootwwns bootwwns;
92 struct bfi_pbc_s pbc_cfg;
93 struct bfi_iocfc_qreg_s qreg;
94 };
95
96 /*
97 * BFI_IOCFC_H2I_CFG_REQ message
98 */
99 struct bfi_iocfc_cfg_req_s {
100 struct bfi_mhdr_s mh;
101 union bfi_addr_u ioc_cfg_dma_addr;
102 };
103
104
105 /*
106 * BFI_IOCFC_I2H_CFG_REPLY message
107 */
108 struct bfi_iocfc_cfg_reply_s {
109 struct bfi_mhdr_s mh; /* Common msg header */
110 u8 cfg_success; /* cfg reply status */
111 u8 lpu_bm; /* LPUs assigned for this IOC */
112 u8 rsvd[2];
113 };
114
115
116 /*
117 * BFI_IOCFC_H2I_SET_INTR_REQ message
118 */
119 struct bfi_iocfc_set_intr_req_s {
120 struct bfi_mhdr_s mh; /* common msg header */
121 u8 coalesce; /* enable intr coalescing */
122 u8 rsvd[3];
123 __be16 delay; /* delay timer 0..1125us */
124 __be16 latency; /* latency timer 0..225us */
125 };
126
127
128 /*
129 * BFI_IOCFC_H2I_UPDATEQ_REQ message
130 */
131 struct bfi_iocfc_updateq_req_s {
132 struct bfi_mhdr_s mh; /* common msg header */
133 u32 reqq_ba; /* reqq base addr */
134 u32 rspq_ba; /* rspq base addr */
135 u32 reqq_sci; /* reqq shadow ci */
136 u32 rspq_spi; /* rspq shadow pi */
137 };
138
139
140 /*
141 * BFI_IOCFC_I2H_UPDATEQ_RSP message
142 */
143 struct bfi_iocfc_updateq_rsp_s {
144 struct bfi_mhdr_s mh; /* common msg header */
145 u8 status; /* updateq status */
146 u8 rsvd[3];
147 };
148
149
150 /*
151 * H2I Messages
152 */
153 union bfi_iocfc_h2i_msg_u {
154 struct bfi_mhdr_s mh;
155 struct bfi_iocfc_cfg_req_s cfg_req;
156 struct bfi_iocfc_updateq_req_s updateq_req;
157 u32 mboxmsg[BFI_IOC_MSGSZ];
158 };
159
160
161 /*
162 * I2H Messages
163 */
164 union bfi_iocfc_i2h_msg_u {
165 struct bfi_mhdr_s mh;
166 struct bfi_iocfc_cfg_reply_s cfg_reply;
167 struct bfi_iocfc_updateq_rsp_s updateq_rsp;
168 u32 mboxmsg[BFI_IOC_MSGSZ];
169 };
170
171 /*
172 * BFI_IOCFC_H2I_FAA_ENABLE_REQ BFI_IOCFC_H2I_FAA_DISABLE_REQ message
173 */
174 struct bfi_faa_en_dis_s {
175 struct bfi_mhdr_s mh; /* common msg header */
176 };
177
178 struct bfi_faa_addr_msg_s {
179 struct bfi_mhdr_s mh; /* common msg header */
180 u8 rsvd[4];
181 wwn_t pwwn; /* Fabric acquired PWWN */
182 wwn_t nwwn; /* Fabric acquired PWWN */
183 };
184
185 /*
186 * BFI_IOCFC_H2I_FAA_QUERY_REQ message
187 */
188 struct bfi_faa_query_s {
189 struct bfi_mhdr_s mh; /* common msg header */
190 u8 faa_status; /* FAA status */
191 u8 addr_source; /* PWWN source */
192 u8 rsvd[2];
193 wwn_t faa; /* Fabric acquired PWWN */
194 };
195
196 /*
197 * BFI_IOCFC_I2H_FAA_ENABLE_RSP, BFI_IOCFC_I2H_FAA_DISABLE_RSP message
198 */
199 struct bfi_faa_en_dis_rsp_s {
200 struct bfi_mhdr_s mh; /* common msg header */
201 u8 status; /* updateq status */
202 u8 rsvd[3];
203 };
204
205 /*
206 * BFI_IOCFC_I2H_FAA_QUERY_RSP message
207 */
208 #define bfi_faa_query_rsp_t struct bfi_faa_query_s
209
210 enum bfi_fcport_h2i {
211 BFI_FCPORT_H2I_ENABLE_REQ = (1),
212 BFI_FCPORT_H2I_DISABLE_REQ = (2),
213 BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ = (3),
214 BFI_FCPORT_H2I_STATS_GET_REQ = (4),
215 BFI_FCPORT_H2I_STATS_CLEAR_REQ = (5),
216 };
217
218
219 enum bfi_fcport_i2h {
220 BFI_FCPORT_I2H_ENABLE_RSP = BFA_I2HM(1),
221 BFI_FCPORT_I2H_DISABLE_RSP = BFA_I2HM(2),
222 BFI_FCPORT_I2H_SET_SVC_PARAMS_RSP = BFA_I2HM(3),
223 BFI_FCPORT_I2H_STATS_GET_RSP = BFA_I2HM(4),
224 BFI_FCPORT_I2H_STATS_CLEAR_RSP = BFA_I2HM(5),
225 BFI_FCPORT_I2H_EVENT = BFA_I2HM(6),
226 BFI_FCPORT_I2H_TRUNK_SCN = BFA_I2HM(7),
227 BFI_FCPORT_I2H_ENABLE_AEN = BFA_I2HM(8),
228 BFI_FCPORT_I2H_DISABLE_AEN = BFA_I2HM(9),
229 };
230
231
232 /*
233 * Generic REQ type
234 */
235 struct bfi_fcport_req_s {
236 struct bfi_mhdr_s mh; /* msg header */
237 u32 msgtag; /* msgtag for reply */
238 };
239
240 /*
241 * Generic RSP type
242 */
243 struct bfi_fcport_rsp_s {
244 struct bfi_mhdr_s mh; /* common msg header */
245 u8 status; /* port enable status */
246 u8 rsvd[3];
247 struct bfa_port_cfg_s port_cfg;/* port configuration */
248 u32 msgtag; /* msgtag for reply */
249 };
250
251 /*
252 * BFI_FCPORT_H2I_ENABLE_REQ
253 */
254 struct bfi_fcport_enable_req_s {
255 struct bfi_mhdr_s mh; /* msg header */
256 u32 rsvd1;
257 wwn_t nwwn; /* node wwn of physical port */
258 wwn_t pwwn; /* port wwn of physical port */
259 struct bfa_port_cfg_s port_cfg; /* port configuration */
260 union bfi_addr_u stats_dma_addr; /* DMA address for stats */
261 u32 msgtag; /* msgtag for reply */
262 u8 use_flash_cfg; /* get prot cfg from flash */
263 u8 rsvd2[3];
264 };
265
266 /*
267 * BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ
268 */
269 struct bfi_fcport_set_svc_params_req_s {
270 struct bfi_mhdr_s mh; /* msg header */
271 __be16 tx_bbcredit; /* Tx credits */
272 u8 rsvd[2];
273 };
274
275 /*
276 * BFI_FCPORT_I2H_EVENT
277 */
278 struct bfi_fcport_event_s {
279 struct bfi_mhdr_s mh; /* common msg header */
280 struct bfa_port_link_s link_state;
281 };
282
283 /*
284 * BFI_FCPORT_I2H_TRUNK_SCN
285 */
286 struct bfi_fcport_trunk_link_s {
287 wwn_t trunk_wwn;
288 u8 fctl; /* bfa_trunk_link_fctl_t */
289 u8 state; /* bfa_trunk_link_state_t */
290 u8 speed; /* bfa_port_speed_t */
291 u8 rsvd;
292 __be32 deskew;
293 };
294
295 #define BFI_FCPORT_MAX_LINKS 2
296 struct bfi_fcport_trunk_scn_s {
297 struct bfi_mhdr_s mh;
298 u8 trunk_state; /* bfa_trunk_state_t */
299 u8 trunk_speed; /* bfa_port_speed_t */
300 u8 rsvd_a[2];
301 struct bfi_fcport_trunk_link_s tlink[BFI_FCPORT_MAX_LINKS];
302 };
303
304 /*
305 * fcport H2I message
306 */
307 union bfi_fcport_h2i_msg_u {
308 struct bfi_mhdr_s *mhdr;
309 struct bfi_fcport_enable_req_s *penable;
310 struct bfi_fcport_req_s *pdisable;
311 struct bfi_fcport_set_svc_params_req_s *psetsvcparams;
312 struct bfi_fcport_req_s *pstatsget;
313 struct bfi_fcport_req_s *pstatsclear;
314 };
315
316 /*
317 * fcport I2H message
318 */
319 union bfi_fcport_i2h_msg_u {
320 struct bfi_msg_s *msg;
321 struct bfi_fcport_rsp_s *penable_rsp;
322 struct bfi_fcport_rsp_s *pdisable_rsp;
323 struct bfi_fcport_rsp_s *psetsvcparams_rsp;
324 struct bfi_fcport_rsp_s *pstatsget_rsp;
325 struct bfi_fcport_rsp_s *pstatsclear_rsp;
326 struct bfi_fcport_event_s *event;
327 struct bfi_fcport_trunk_scn_s *trunk_scn;
328 };
329
330 enum bfi_fcxp_h2i {
331 BFI_FCXP_H2I_SEND_REQ = 1,
332 };
333
334 enum bfi_fcxp_i2h {
335 BFI_FCXP_I2H_SEND_RSP = BFA_I2HM(1),
336 };
337
338 #define BFA_FCXP_MAX_SGES 2
339
340 /*
341 * FCXP send request structure
342 */
343 struct bfi_fcxp_send_req_s {
344 struct bfi_mhdr_s mh; /* Common msg header */
345 __be16 fcxp_tag; /* driver request tag */
346 __be16 max_frmsz; /* max send frame size */
347 __be16 vf_id; /* vsan tag if applicable */
348 u16 rport_fw_hndl; /* FW Handle for the remote port */
349 u8 class; /* FC class used for req/rsp */
350 u8 rsp_timeout; /* timeout in secs, 0-no response */
351 u8 cts; /* continue sequence */
352 u8 lp_fwtag; /* lport tag */
353 struct fchs_s fchs; /* request FC header structure */
354 __be32 req_len; /* request payload length */
355 __be32 rsp_maxlen; /* max response length expected */
356 struct bfi_alen_s req_alen; /* request buffer */
357 struct bfi_alen_s rsp_alen; /* response buffer */
358 };
359
360 /*
361 * FCXP send response structure
362 */
363 struct bfi_fcxp_send_rsp_s {
364 struct bfi_mhdr_s mh; /* Common msg header */
365 __be16 fcxp_tag; /* send request tag */
366 u8 req_status; /* request status */
367 u8 rsvd;
368 __be32 rsp_len; /* actual response length */
369 __be32 residue_len; /* residual response length */
370 struct fchs_s fchs; /* response FC header structure */
371 };
372
373 enum bfi_uf_h2i {
374 BFI_UF_H2I_BUF_POST = 1,
375 };
376
377 enum bfi_uf_i2h {
378 BFI_UF_I2H_FRM_RCVD = BFA_I2HM(1),
379 };
380
381 #define BFA_UF_MAX_SGES 2
382
383 struct bfi_uf_buf_post_s {
384 struct bfi_mhdr_s mh; /* Common msg header */
385 u16 buf_tag; /* buffer tag */
386 __be16 buf_len; /* total buffer length */
387 struct bfi_alen_s alen; /* buffer address/len pair */
388 };
389
390 struct bfi_uf_frm_rcvd_s {
391 struct bfi_mhdr_s mh; /* Common msg header */
392 u16 buf_tag; /* buffer tag */
393 u16 rsvd;
394 u16 frm_len; /* received frame length */
395 u16 xfr_len; /* tranferred length */
396 };
397
398 enum bfi_lps_h2i_msgs {
399 BFI_LPS_H2I_LOGIN_REQ = 1,
400 BFI_LPS_H2I_LOGOUT_REQ = 2,
401 BFI_LPS_H2I_N2N_PID_REQ = 3,
402 };
403
404 enum bfi_lps_i2h_msgs {
405 BFI_LPS_I2H_LOGIN_RSP = BFA_I2HM(1),
406 BFI_LPS_I2H_LOGOUT_RSP = BFA_I2HM(2),
407 BFI_LPS_I2H_CVL_EVENT = BFA_I2HM(3),
408 };
409
410 struct bfi_lps_login_req_s {
411 struct bfi_mhdr_s mh; /* common msg header */
412 u8 bfa_tag;
413 u8 alpa;
414 __be16 pdu_size;
415 wwn_t pwwn;
416 wwn_t nwwn;
417 u8 fdisc;
418 u8 auth_en;
419 u8 lps_role;
420 u8 bb_scn;
421 u32 vvl_flag;
422 };
423
424 struct bfi_lps_login_rsp_s {
425 struct bfi_mhdr_s mh; /* common msg header */
426 u8 fw_tag;
427 u8 status;
428 u8 lsrjt_rsn;
429 u8 lsrjt_expl;
430 wwn_t port_name;
431 wwn_t node_name;
432 __be16 bb_credit;
433 u8 f_port;
434 u8 npiv_en;
435 u32 lp_pid:24;
436 u32 auth_req:8;
437 mac_t lp_mac;
438 mac_t fcf_mac;
439 u8 ext_status;
440 u8 brcd_switch; /* attached peer is brcd switch */
441 u8 bfa_tag;
442 u8 rsvd;
443 };
444
445 struct bfi_lps_logout_req_s {
446 struct bfi_mhdr_s mh; /* common msg header */
447 u8 fw_tag;
448 u8 rsvd[3];
449 wwn_t port_name;
450 };
451
452 struct bfi_lps_logout_rsp_s {
453 struct bfi_mhdr_s mh; /* common msg header */
454 u8 bfa_tag;
455 u8 status;
456 u8 rsvd[2];
457 };
458
459 struct bfi_lps_cvl_event_s {
460 struct bfi_mhdr_s mh; /* common msg header */
461 u8 bfa_tag;
462 u8 rsvd[3];
463 };
464
465 struct bfi_lps_n2n_pid_req_s {
466 struct bfi_mhdr_s mh; /* common msg header */
467 u8 fw_tag;
468 u32 lp_pid:24;
469 };
470
471 union bfi_lps_h2i_msg_u {
472 struct bfi_mhdr_s *msg;
473 struct bfi_lps_login_req_s *login_req;
474 struct bfi_lps_logout_req_s *logout_req;
475 struct bfi_lps_n2n_pid_req_s *n2n_pid_req;
476 };
477
478 union bfi_lps_i2h_msg_u {
479 struct bfi_msg_s *msg;
480 struct bfi_lps_login_rsp_s *login_rsp;
481 struct bfi_lps_logout_rsp_s *logout_rsp;
482 struct bfi_lps_cvl_event_s *cvl_event;
483 };
484
485 enum bfi_rport_h2i_msgs {
486 BFI_RPORT_H2I_CREATE_REQ = 1,
487 BFI_RPORT_H2I_DELETE_REQ = 2,
488 BFI_RPORT_H2I_SET_SPEED_REQ = 3,
489 };
490
491 enum bfi_rport_i2h_msgs {
492 BFI_RPORT_I2H_CREATE_RSP = BFA_I2HM(1),
493 BFI_RPORT_I2H_DELETE_RSP = BFA_I2HM(2),
494 BFI_RPORT_I2H_QOS_SCN = BFA_I2HM(3),
495 BFI_RPORT_I2H_LIP_SCN_ONLINE = BFA_I2HM(4),
496 BFI_RPORT_I2H_LIP_SCN_OFFLINE = BFA_I2HM(5),
497 BFI_RPORT_I2H_NO_DEV = BFA_I2HM(6),
498 };
499
500 struct bfi_rport_create_req_s {
501 struct bfi_mhdr_s mh; /* common msg header */
502 u16 bfa_handle; /* host rport handle */
503 __be16 max_frmsz; /* max rcv pdu size */
504 u32 pid:24, /* remote port ID */
505 lp_fwtag:8; /* local port tag */
506 u32 local_pid:24, /* local port ID */
507 cisc:8;
508 u8 fc_class; /* supported FC classes */
509 u8 vf_en; /* virtual fabric enable */
510 u16 vf_id; /* virtual fabric ID */
511 };
512
513 struct bfi_rport_create_rsp_s {
514 struct bfi_mhdr_s mh; /* common msg header */
515 u8 status; /* rport creation status */
516 u8 rsvd[3];
517 u16 bfa_handle; /* host rport handle */
518 u16 fw_handle; /* firmware rport handle */
519 struct bfa_rport_qos_attr_s qos_attr; /* QoS Attributes */
520 };
521
522 struct bfa_rport_speed_req_s {
523 struct bfi_mhdr_s mh; /* common msg header */
524 u16 fw_handle; /* firmware rport handle */
525 u8 speed; /* rport's speed via RPSC */
526 u8 rsvd;
527 };
528
529 struct bfi_rport_delete_req_s {
530 struct bfi_mhdr_s mh; /* common msg header */
531 u16 fw_handle; /* firmware rport handle */
532 u16 rsvd;
533 };
534
535 struct bfi_rport_delete_rsp_s {
536 struct bfi_mhdr_s mh; /* common msg header */
537 u16 bfa_handle; /* host rport handle */
538 u8 status; /* rport deletion status */
539 u8 rsvd;
540 };
541
542 struct bfi_rport_qos_scn_s {
543 struct bfi_mhdr_s mh; /* common msg header */
544 u16 bfa_handle; /* host rport handle */
545 u16 rsvd;
546 struct bfa_rport_qos_attr_s old_qos_attr; /* Old QoS Attributes */
547 struct bfa_rport_qos_attr_s new_qos_attr; /* New QoS Attributes */
548 };
549
550 struct bfi_rport_lip_scn_s {
551 struct bfi_mhdr_s mh; /*!< common msg header */
552 u16 bfa_handle; /*!< host rport handle */
553 u8 status; /*!< scn online status */
554 u8 rsvd;
555 struct bfa_fcport_loop_info_s loop_info;
556 };
557
558 union bfi_rport_h2i_msg_u {
559 struct bfi_msg_s *msg;
560 struct bfi_rport_create_req_s *create_req;
561 struct bfi_rport_delete_req_s *delete_req;
562 struct bfi_rport_speed_req_s *speed_req;
563 };
564
565 union bfi_rport_i2h_msg_u {
566 struct bfi_msg_s *msg;
567 struct bfi_rport_create_rsp_s *create_rsp;
568 struct bfi_rport_delete_rsp_s *delete_rsp;
569 struct bfi_rport_qos_scn_s *qos_scn_evt;
570 struct bfi_rport_lip_scn_s *lip_scn;
571 };
572
573 /*
574 * Initiator mode I-T nexus interface defines.
575 */
576
577 enum bfi_itn_h2i {
578 BFI_ITN_H2I_CREATE_REQ = 1, /* i-t nexus creation */
579 BFI_ITN_H2I_DELETE_REQ = 2, /* i-t nexus deletion */
580 };
581
582 enum bfi_itn_i2h {
583 BFI_ITN_I2H_CREATE_RSP = BFA_I2HM(1),
584 BFI_ITN_I2H_DELETE_RSP = BFA_I2HM(2),
585 BFI_ITN_I2H_SLER_EVENT = BFA_I2HM(3),
586 };
587
588 struct bfi_itn_create_req_s {
589 struct bfi_mhdr_s mh; /* common msg header */
590 u16 fw_handle; /* f/w handle for itnim */
591 u8 class; /* FC class for IO */
592 u8 seq_rec; /* sequence recovery support */
593 u8 msg_no; /* seq id of the msg */
594 u8 role;
595 };
596
597 struct bfi_itn_create_rsp_s {
598 struct bfi_mhdr_s mh; /* common msg header */
599 u16 bfa_handle; /* bfa handle for itnim */
600 u8 status; /* fcp request status */
601 u8 seq_id; /* seq id of the msg */
602 };
603
604 struct bfi_itn_delete_req_s {
605 struct bfi_mhdr_s mh; /* common msg header */
606 u16 fw_handle; /* f/w itnim handle */
607 u8 seq_id; /* seq id of the msg */
608 u8 rsvd;
609 };
610
611 struct bfi_itn_delete_rsp_s {
612 struct bfi_mhdr_s mh; /* common msg header */
613 u16 bfa_handle; /* bfa handle for itnim */
614 u8 status; /* fcp request status */
615 u8 seq_id; /* seq id of the msg */
616 };
617
618 struct bfi_itn_sler_event_s {
619 struct bfi_mhdr_s mh; /* common msg header */
620 u16 bfa_handle; /* bfa handle for itnim */
621 u16 rsvd;
622 };
623
624 union bfi_itn_h2i_msg_u {
625 struct bfi_itn_create_req_s *create_req;
626 struct bfi_itn_delete_req_s *delete_req;
627 struct bfi_msg_s *msg;
628 };
629
630 union bfi_itn_i2h_msg_u {
631 struct bfi_itn_create_rsp_s *create_rsp;
632 struct bfi_itn_delete_rsp_s *delete_rsp;
633 struct bfi_itn_sler_event_s *sler_event;
634 struct bfi_msg_s *msg;
635 };
636
637 /*
638 * Initiator mode IO interface defines.
639 */
640
641 enum bfi_ioim_h2i {
642 BFI_IOIM_H2I_IOABORT_REQ = 1, /* IO abort request */
643 BFI_IOIM_H2I_IOCLEANUP_REQ = 2, /* IO cleanup request */
644 };
645
646 enum bfi_ioim_i2h {
647 BFI_IOIM_I2H_IO_RSP = BFA_I2HM(1), /* non-fp IO response */
648 BFI_IOIM_I2H_IOABORT_RSP = BFA_I2HM(2), /* ABORT rsp */
649 };
650
651 /*
652 * IO command DIF info
653 */
654 struct bfi_ioim_dif_s {
655 u32 dif_info[4];
656 };
657
658 /*
659 * FCP IO messages overview
660 *
661 * @note
662 * - Max CDB length supported is 64 bytes.
663 * - SCSI Linked commands and SCSI bi-directional Commands not
664 * supported.
665 *
666 */
667 struct bfi_ioim_req_s {
668 struct bfi_mhdr_s mh; /* Common msg header */
669 __be16 io_tag; /* I/O tag */
670 u16 rport_hdl; /* itnim/rport firmware handle */
671 struct fcp_cmnd_s cmnd; /* IO request info */
672
673 /*
674 * SG elements array within the IO request must be double word
675 * aligned. This alignment is required to optimize SGM setup for the IO.
676 */
677 struct bfi_sge_s sges[BFI_SGE_INLINE_MAX];
678 u8 io_timeout;
679 u8 dif_en;
680 u8 rsvd_a[2];
681 struct bfi_ioim_dif_s dif;
682 };
683
684 /*
685 * This table shows various IO status codes from firmware and their
686 * meaning. Host driver can use these status codes to further process
687 * IO completions.
688 *
689 * BFI_IOIM_STS_OK : IO completed with error free SCSI &
690 * transport status.
691 * io-tag can be reused.
692 *
693 * BFA_IOIM_STS_SCSI_ERR : IO completed with scsi error.
694 * - io-tag can be reused.
695 *
696 * BFI_IOIM_STS_HOST_ABORTED : IO was aborted successfully due to
697 * host request.
698 * - io-tag cannot be reused yet.
699 *
700 * BFI_IOIM_STS_ABORTED : IO was aborted successfully
701 * internally by f/w.
702 * - io-tag cannot be reused yet.
703 *
704 * BFI_IOIM_STS_TIMEDOUT : IO timedout and ABTS/RRQ is happening
705 * in the firmware and
706 * - io-tag cannot be reused yet.
707 *
708 * BFI_IOIM_STS_SQER_NEEDED : Firmware could not recover the IO
709 * with sequence level error
710 * logic and hence host needs to retry
711 * this IO with a different IO tag
712 * - io-tag cannot be used yet.
713 *
714 * BFI_IOIM_STS_NEXUS_ABORT : Second Level Error Recovery from host
715 * is required because 2 consecutive ABTS
716 * timedout and host needs logout and
717 * re-login with the target
718 * - io-tag cannot be used yet.
719 *
720 * BFI_IOIM_STS_UNDERRUN : IO completed with SCSI status good,
721 * but the data tranferred is less than
722 * the fcp data length in the command.
723 * ex. SCSI INQUIRY where transferred
724 * data length and residue count in FCP
725 * response accounts for total fcp-dl
726 * - io-tag can be reused.
727 *
728 * BFI_IOIM_STS_OVERRUN : IO completed with SCSI status good,
729 * but the data transerred is more than
730 * fcp data length in the command. ex.
731 * TAPE IOs where blocks can of unequal
732 * lengths.
733 * - io-tag can be reused.
734 *
735 * BFI_IOIM_STS_RES_FREE : Firmware has completed using io-tag
736 * during abort process
737 * - io-tag can be reused.
738 *
739 * BFI_IOIM_STS_PROTO_ERR : Firmware detected a protocol error.
740 * ex target sent more data than
741 * requested, or there was data frame
742 * loss and other reasons
743 * - io-tag cannot be used yet.
744 *
745 * BFI_IOIM_STS_DIF_ERR : Firwmare detected DIF error. ex: DIF
746 * CRC err or Ref Tag err or App tag err.
747 * - io-tag can be reused.
748 *
749 * BFA_IOIM_STS_TSK_MGT_ABORT : IO was aborted because of Task
750 * Management command from the host
751 * - io-tag can be reused.
752 *
753 * BFI_IOIM_STS_UTAG : Firmware does not know about this
754 * io_tag.
755 * - io-tag can be reused.
756 */
757 enum bfi_ioim_status {
758 BFI_IOIM_STS_OK = 0,
759 BFI_IOIM_STS_HOST_ABORTED = 1,
760 BFI_IOIM_STS_ABORTED = 2,
761 BFI_IOIM_STS_TIMEDOUT = 3,
762 BFI_IOIM_STS_RES_FREE = 4,
763 BFI_IOIM_STS_SQER_NEEDED = 5,
764 BFI_IOIM_STS_PROTO_ERR = 6,
765 BFI_IOIM_STS_UTAG = 7,
766 BFI_IOIM_STS_PATHTOV = 8,
767 };
768
769 /*
770 * I/O response message
771 */
772 struct bfi_ioim_rsp_s {
773 struct bfi_mhdr_s mh; /* common msg header */
774 __be16 io_tag; /* completed IO tag */
775 u16 bfa_rport_hndl; /* releated rport handle */
776 u8 io_status; /* IO completion status */
777 u8 reuse_io_tag; /* IO tag can be reused */
778 u16 abort_tag; /* host abort request tag */
779 u8 scsi_status; /* scsi status from target */
780 u8 sns_len; /* scsi sense length */
781 u8 resid_flags; /* IO residue flags */
782 u8 rsvd_a;
783 __be32 residue; /* IO residual length in bytes */
784 u32 rsvd_b[3];
785 };
786
787 struct bfi_ioim_abort_req_s {
788 struct bfi_mhdr_s mh; /* Common msg header */
789 __be16 io_tag; /* I/O tag */
790 u16 abort_tag; /* unique request tag */
791 };
792
793 /*
794 * Initiator mode task management command interface defines.
795 */
796
797 enum bfi_tskim_h2i {
798 BFI_TSKIM_H2I_TM_REQ = 1, /* task-mgmt command */
799 BFI_TSKIM_H2I_ABORT_REQ = 2, /* task-mgmt command */
800 };
801
802 enum bfi_tskim_i2h {
803 BFI_TSKIM_I2H_TM_RSP = BFA_I2HM(1),
804 };
805
806 struct bfi_tskim_req_s {
807 struct bfi_mhdr_s mh; /* Common msg header */
808 __be16 tsk_tag; /* task management tag */
809 u16 itn_fhdl; /* itn firmware handle */
810 struct scsi_lun lun; /* LU number */
811 u8 tm_flags; /* see enum fcp_tm_cmnd */
812 u8 t_secs; /* Timeout value in seconds */
813 u8 rsvd[2];
814 };
815
816 struct bfi_tskim_abortreq_s {
817 struct bfi_mhdr_s mh; /* Common msg header */
818 __be16 tsk_tag; /* task management tag */
819 u16 rsvd;
820 };
821
822 enum bfi_tskim_status {
823 /*
824 * Following are FCP-4 spec defined status codes,
825 * **DO NOT CHANGE THEM **
826 */
827 BFI_TSKIM_STS_OK = 0,
828 BFI_TSKIM_STS_NOT_SUPP = 4,
829 BFI_TSKIM_STS_FAILED = 5,
830
831 /*
832 * Defined by BFA
833 */
834 BFI_TSKIM_STS_TIMEOUT = 10, /* TM request timedout */
835 BFI_TSKIM_STS_ABORTED = 11, /* Aborted on host request */
836 BFI_TSKIM_STS_UTAG = 12, /* unknown tag for request */
837 };
838
839 struct bfi_tskim_rsp_s {
840 struct bfi_mhdr_s mh; /* Common msg header */
841 __be16 tsk_tag; /* task mgmt cmnd tag */
842 u8 tsk_status; /* @ref bfi_tskim_status */
843 u8 rsvd;
844 };
845
846 #pragma pack()
847
848 /*
849 * Crossbow PCI MSI-X vector defines
850 */
851 enum {
852 BFI_MSIX_CPE_QMIN_CB = 0,
853 BFI_MSIX_CPE_QMAX_CB = 7,
854 BFI_MSIX_RME_QMIN_CB = 8,
855 BFI_MSIX_RME_QMAX_CB = 15,
856 BFI_MSIX_CB_MAX = 22,
857 };
858
859 /*
860 * Catapult FC PCI MSI-X vector defines
861 */
862 enum {
863 BFI_MSIX_LPU_ERR_CT = 0,
864 BFI_MSIX_CPE_QMIN_CT = 1,
865 BFI_MSIX_CPE_QMAX_CT = 4,
866 BFI_MSIX_RME_QMIN_CT = 5,
867 BFI_MSIX_RME_QMAX_CT = 8,
868 BFI_MSIX_CT_MAX = 9,
869 };
870
871 #endif /* __BFI_MS_H__ */
Linux with added FPC-III support