xref: /openbmc/linux/drivers/scsi/bfa/bfi_ms.h (revision feac8c8b)
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__ */
880