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1 /*
2  * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
3  * All rights reserved
4  * www.brocade.com
5  *
6  * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms of the GNU General Public License (GPL) Version 2 as
10  * published by the Free Software Foundation
11  *
12  * This program is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * General Public License for more details.
16  */
17 
18 #ifndef __BFA_DEFS_FCS_H__
19 #define __BFA_DEFS_FCS_H__
20 
21 #include "bfa_fc.h"
22 #include "bfa_defs_svc.h"
23 
24 /*
25  * VF states
26  */
27 enum bfa_vf_state {
28 	BFA_VF_UNINIT    = 0,	/*  fabric is not yet initialized */
29 	BFA_VF_LINK_DOWN = 1,	/*  link is down */
30 	BFA_VF_FLOGI     = 2,	/*  flogi is in progress */
31 	BFA_VF_AUTH      = 3,	/*  authentication in progress */
32 	BFA_VF_NOFABRIC  = 4,	/*  fabric is not present */
33 	BFA_VF_ONLINE    = 5,	/*  login to fabric is complete */
34 	BFA_VF_EVFP      = 6,	/*  EVFP is in progress */
35 	BFA_VF_ISOLATED  = 7,	/*  port isolated due to vf_id mismatch */
36 };
37 
38 /*
39  * VF statistics
40  */
41 struct bfa_vf_stats_s {
42 	u32	flogi_sent;	/*  Num FLOGIs sent */
43 	u32	flogi_rsp_err;	/*  FLOGI response errors */
44 	u32	flogi_acc_err;	/*  FLOGI accept errors */
45 	u32	flogi_accepts;	/*  FLOGI accepts received */
46 	u32	flogi_rejects;	/*  FLOGI rejects received */
47 	u32	flogi_unknown_rsp; /*  Unknown responses for FLOGI */
48 	u32	flogi_alloc_wait; /*  Allocation waits prior to sending FLOGI */
49 	u32	flogi_rcvd;	/*  FLOGIs received */
50 	u32	flogi_rejected;	/*  Incoming FLOGIs rejected */
51 	u32	fabric_onlines;	/*  Internal fabric online notification sent
52 				 *  to other modules */
53 	u32	fabric_offlines; /* Internal fabric offline notification sent
54 				  * to other modules */
55 	u32	resvd; /*  padding for 64 bit alignment */
56 };
57 
58 /*
59  * VF attributes returned in queries
60  */
61 struct bfa_vf_attr_s {
62 	enum bfa_vf_state  state;		/*  VF state */
63 	u32        rsvd;
64 	wwn_t           fabric_name;	/*  fabric name */
65 };
66 
67 #define BFA_FCS_MAX_LPORTS 256
68 #define BFA_FCS_FABRIC_IPADDR_SZ  16
69 
70 /*
71  * symbolic names for base port/virtual port
72  */
73 #define BFA_SYMNAME_MAXLEN	128	/* 128 bytes */
74 struct bfa_lport_symname_s {
75 	char	    symname[BFA_SYMNAME_MAXLEN];
76 };
77 
78 /*
79 * Roles of FCS port:
80  *     - FCP IM and FCP TM roles cannot be enabled together for a FCS port
81  *     - Create multiple ports if both IM and TM functions required.
82  *     - Atleast one role must be specified.
83  */
84 enum bfa_lport_role {
85 	BFA_LPORT_ROLE_FCP_IM	= 0x01,	/*  FCP initiator role */
86 	BFA_LPORT_ROLE_FCP_MAX	= BFA_LPORT_ROLE_FCP_IM,
87 };
88 
89 /*
90  * FCS port configuration.
91  */
92 struct bfa_lport_cfg_s {
93 	wwn_t	       pwwn;       /*  port wwn */
94 	wwn_t	       nwwn;       /*  node wwn */
95 	struct bfa_lport_symname_s  sym_name;   /*  vm port symbolic name */
96 	enum bfa_lport_role roles;      /* FCS port roles */
97 	u32     rsvd;
98 	bfa_boolean_t   preboot_vp;  /*  vport created from PBC */
99 	u8	tag[16];        /* opaque tag from application */
100 	u8	padding[4];
101 };
102 
103 /*
104  * FCS port states
105  */
106 enum bfa_lport_state {
107 	BFA_LPORT_UNINIT  = 0,	/*  PORT is not yet initialized */
108 	BFA_LPORT_FDISC   = 1,	/*  FDISC is in progress */
109 	BFA_LPORT_ONLINE  = 2,	/*  login to fabric is complete */
110 	BFA_LPORT_OFFLINE = 3,	/*  No login to fabric */
111 };
112 
113 /*
114  * FCS port type.
115  */
116 enum bfa_lport_type {
117 	BFA_LPORT_TYPE_PHYSICAL = 0,
118 	BFA_LPORT_TYPE_VIRTUAL,
119 };
120 
121 /*
122  * FCS port offline reason.
123  */
124 enum bfa_lport_offline_reason {
125 	BFA_LPORT_OFFLINE_UNKNOWN = 0,
126 	BFA_LPORT_OFFLINE_LINKDOWN,
127 	BFA_LPORT_OFFLINE_FAB_UNSUPPORTED,	/*  NPIV not supported by the
128 	 *    fabric */
129 	BFA_LPORT_OFFLINE_FAB_NORESOURCES,
130 	BFA_LPORT_OFFLINE_FAB_LOGOUT,
131 };
132 
133 /*
134  * FCS lport info.
135  */
136 struct bfa_lport_info_s {
137 	u8	 port_type;	/* bfa_lport_type_t : physical or
138 	 * virtual */
139 	u8	 port_state;	/* one of bfa_lport_state values */
140 	u8	 offline_reason;	/* one of bfa_lport_offline_reason_t
141 	 * values */
142 	wwn_t	   port_wwn;
143 	wwn_t	   node_wwn;
144 
145 	/*
146 	 * following 4 feilds are valid for Physical Ports only
147 	 */
148 	u32	max_vports_supp;	/* Max supported vports */
149 	u32	num_vports_inuse;	/* Num of in use vports */
150 	u32	max_rports_supp;	/* Max supported rports */
151 	u32	num_rports_inuse;	/* Num of doscovered rports */
152 
153 };
154 
155 /*
156  * FCS port statistics
157  */
158 struct bfa_lport_stats_s {
159 	u32	ns_plogi_sent;
160 	u32	ns_plogi_rsp_err;
161 	u32	ns_plogi_acc_err;
162 	u32	ns_plogi_accepts;
163 	u32	ns_rejects;	/* NS command rejects */
164 	u32	ns_plogi_unknown_rsp;
165 	u32	ns_plogi_alloc_wait;
166 
167 	u32	ns_retries;	/* NS command retries */
168 	u32	ns_timeouts;	/* NS command timeouts */
169 
170 	u32	ns_rspnid_sent;
171 	u32	ns_rspnid_accepts;
172 	u32	ns_rspnid_rsp_err;
173 	u32	ns_rspnid_rejects;
174 	u32	ns_rspnid_alloc_wait;
175 
176 	u32	ns_rftid_sent;
177 	u32	ns_rftid_accepts;
178 	u32	ns_rftid_rsp_err;
179 	u32	ns_rftid_rejects;
180 	u32	ns_rftid_alloc_wait;
181 
182 	u32	ns_rffid_sent;
183 	u32	ns_rffid_accepts;
184 	u32	ns_rffid_rsp_err;
185 	u32	ns_rffid_rejects;
186 	u32	ns_rffid_alloc_wait;
187 
188 	u32	ns_gidft_sent;
189 	u32	ns_gidft_accepts;
190 	u32	ns_gidft_rsp_err;
191 	u32	ns_gidft_rejects;
192 	u32	ns_gidft_unknown_rsp;
193 	u32	ns_gidft_alloc_wait;
194 
195 	/*
196 	 * Mgmt Server stats
197 	 */
198 	u32	ms_retries;	/* MS command retries */
199 	u32	ms_timeouts;	/* MS command timeouts */
200 	u32	ms_plogi_sent;
201 	u32	ms_plogi_rsp_err;
202 	u32	ms_plogi_acc_err;
203 	u32	ms_plogi_accepts;
204 	u32	ms_rejects;	/* MS command rejects */
205 	u32	ms_plogi_unknown_rsp;
206 	u32	ms_plogi_alloc_wait;
207 
208 	u32	num_rscn;	/* Num of RSCN received */
209 	u32	num_portid_rscn;/* Num portid format RSCN
210 	* received */
211 
212 	u32	uf_recvs;	/* Unsolicited recv frames	*/
213 	u32	uf_recv_drops;	/* Dropped received frames	*/
214 
215 	u32	plogi_rcvd;	/* Received plogi	*/
216 	u32	prli_rcvd;	/* Received prli	*/
217 	u32	adisc_rcvd;	/* Received adisc	*/
218 	u32	prlo_rcvd;	/* Received prlo	*/
219 	u32	logo_rcvd;	/* Received logo	*/
220 	u32	rpsc_rcvd;	/* Received rpsc	*/
221 	u32	un_handled_els_rcvd;	/* Received unhandled ELS	*/
222 	u32	rport_plogi_timeouts; /* Rport plogi retry timeout count */
223 	u32	rport_del_max_plogi_retry; /* Deleted rport
224 					    * (max retry of plogi) */
225 };
226 
227 /*
228  * BFA port attribute returned in queries
229  */
230 struct bfa_lport_attr_s {
231 	enum bfa_lport_state state;	/*  port state */
232 	u32	 pid;	/*  port ID */
233 	struct bfa_lport_cfg_s   port_cfg;	/*  port configuration */
234 	enum bfa_port_type port_type;	/*  current topology */
235 	u32	 loopback;	/*  cable is externally looped back */
236 	wwn_t	fabric_name; /*  attached switch's nwwn */
237 	u8	fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ]; /*  attached
238 	* fabric's ip addr */
239 	mac_t	   fpma_mac;	/*  Lport's FPMA Mac address */
240 	u16	authfail;	/*  auth failed state */
241 };
242 
243 
244 /*
245  * VPORT states
246  */
247 enum bfa_vport_state {
248 	BFA_FCS_VPORT_UNINIT		= 0,
249 	BFA_FCS_VPORT_CREATED		= 1,
250 	BFA_FCS_VPORT_OFFLINE		= 1,
251 	BFA_FCS_VPORT_FDISC_SEND	= 2,
252 	BFA_FCS_VPORT_FDISC		= 3,
253 	BFA_FCS_VPORT_FDISC_RETRY	= 4,
254 	BFA_FCS_VPORT_FDISC_RSP_WAIT	= 5,
255 	BFA_FCS_VPORT_ONLINE		= 6,
256 	BFA_FCS_VPORT_DELETING		= 7,
257 	BFA_FCS_VPORT_CLEANUP		= 8,
258 	BFA_FCS_VPORT_LOGO_SEND		= 9,
259 	BFA_FCS_VPORT_LOGO		= 10,
260 	BFA_FCS_VPORT_ERROR		= 11,
261 	BFA_FCS_VPORT_MAX_STATE,
262 };
263 
264 /*
265  * vport statistics
266  */
267 struct bfa_vport_stats_s {
268 	struct bfa_lport_stats_s port_stats;	/*  base class (port) stats */
269 	/*
270 	 * TODO - remove
271 	 */
272 
273 	u32        fdisc_sent;	/*  num fdisc sent */
274 	u32        fdisc_accepts;	/*  fdisc accepts */
275 	u32        fdisc_retries;	/*  fdisc retries */
276 	u32        fdisc_timeouts;	/*  fdisc timeouts */
277 	u32        fdisc_rsp_err;	/*  fdisc response error */
278 	u32        fdisc_acc_bad;	/*  bad fdisc accepts */
279 	u32        fdisc_rejects;	/*  fdisc rejects */
280 	u32        fdisc_unknown_rsp;
281 	/*
282 	 *!< fdisc rsp unknown error
283 	 */
284 	u32        fdisc_alloc_wait;/*  fdisc req (fcxp)alloc wait */
285 
286 	u32        logo_alloc_wait;/*  logo req (fcxp) alloc wait */
287 	u32        logo_sent;	/*  logo sent */
288 	u32        logo_accepts;	/*  logo accepts */
289 	u32        logo_rejects;	/*  logo rejects */
290 	u32        logo_rsp_err;	/*  logo rsp errors */
291 	u32        logo_unknown_rsp;
292 			/*  logo rsp unknown errors */
293 
294 	u32        fab_no_npiv;	/*  fabric does not support npiv */
295 
296 	u32        fab_offline;	/*  offline events from fab SM */
297 	u32        fab_online;	/*  online events from fab SM */
298 	u32        fab_cleanup;	/*  cleanup request from fab SM */
299 	u32        rsvd;
300 };
301 
302 /*
303  * BFA vport attribute returned in queries
304  */
305 struct bfa_vport_attr_s {
306 	struct bfa_lport_attr_s   port_attr; /*  base class (port) attributes */
307 	enum bfa_vport_state vport_state; /*  vport state */
308 	u32          rsvd;
309 };
310 
311 /*
312  * FCS remote port states
313  */
314 enum bfa_rport_state {
315 	BFA_RPORT_UNINIT	= 0,	/*  PORT is not yet initialized */
316 	BFA_RPORT_OFFLINE	= 1,	/*  rport is offline */
317 	BFA_RPORT_PLOGI		= 2,	/*  PLOGI to rport is in progress */
318 	BFA_RPORT_ONLINE	= 3,	/*  login to rport is complete */
319 	BFA_RPORT_PLOGI_RETRY	= 4,	/*  retrying login to rport */
320 	BFA_RPORT_NSQUERY	= 5,	/*  nameserver query */
321 	BFA_RPORT_ADISC		= 6,	/*  ADISC authentication */
322 	BFA_RPORT_LOGO		= 7,	/*  logging out with rport */
323 	BFA_RPORT_LOGORCV	= 8,	/*  handling LOGO from rport */
324 	BFA_RPORT_NSDISC	= 9,	/*  re-discover rport */
325 };
326 
327 /*
328  *  Rport Scsi Function : Initiator/Target.
329  */
330 enum bfa_rport_function {
331 	BFA_RPORT_INITIATOR	= 0x01,	/*  SCSI Initiator	*/
332 	BFA_RPORT_TARGET	= 0x02,	/*  SCSI Target	*/
333 };
334 
335 /*
336  * port/node symbolic names for rport
337  */
338 #define BFA_RPORT_SYMNAME_MAXLEN	255
339 struct bfa_rport_symname_s {
340 	char            symname[BFA_RPORT_SYMNAME_MAXLEN];
341 };
342 
343 /*
344  * FCS remote port statistics
345  */
346 struct bfa_rport_stats_s {
347 	u32        offlines;           /*  remote port offline count  */
348 	u32        onlines;            /*  remote port online count   */
349 	u32        rscns;              /*  RSCN affecting rport       */
350 	u32        plogis;		    /*  plogis sent                */
351 	u32        plogi_accs;	    /*  plogi accepts              */
352 	u32        plogi_timeouts;	    /*  plogi timeouts             */
353 	u32        plogi_rejects;	    /*  rcvd plogi rejects         */
354 	u32        plogi_failed;	    /*  local failure              */
355 	u32        plogi_rcvd;	    /*  plogis rcvd                */
356 	u32        prli_rcvd;          /*  inbound PRLIs              */
357 	u32        adisc_rcvd;         /*  ADISCs received            */
358 	u32        adisc_rejects;      /*  recvd  ADISC rejects       */
359 	u32        adisc_sent;         /*  ADISC requests sent        */
360 	u32        adisc_accs;         /*  ADISC accepted by rport    */
361 	u32        adisc_failed;       /*  ADISC failed (no response) */
362 	u32        adisc_rejected;     /*  ADISC rejected by us    */
363 	u32        logos;              /*  logos sent                 */
364 	u32        logo_accs;          /*  LOGO accepts from rport    */
365 	u32        logo_failed;        /*  LOGO failures              */
366 	u32        logo_rejected;      /*  LOGO rejects from rport    */
367 	u32        logo_rcvd;          /*  LOGO from remote port      */
368 
369 	u32        rpsc_rcvd;         /*  RPSC received            */
370 	u32        rpsc_rejects;      /*  recvd  RPSC rejects       */
371 	u32        rpsc_sent;         /*  RPSC requests sent        */
372 	u32        rpsc_accs;         /*  RPSC accepted by rport    */
373 	u32        rpsc_failed;       /*  RPSC failed (no response) */
374 	u32        rpsc_rejected;     /*  RPSC rejected by us    */
375 
376 	u32	rjt_insuff_res;	/*  LS RJT with insuff resources */
377 	struct bfa_rport_hal_stats_s	hal_stats;  /*  BFA rport stats    */
378 };
379 
380 /*
381  * FCS remote port attributes returned in queries
382  */
383 struct bfa_rport_attr_s {
384 	wwn_t		nwwn;	/*  node wwn */
385 	wwn_t		pwwn;	/*  port wwn */
386 	enum fc_cos cos_supported;	/*  supported class of services */
387 	u32		pid;	/*  port ID */
388 	u32		df_sz;	/*  Max payload size */
389 	enum bfa_rport_state	state;	/*  Rport State machine state */
390 	enum fc_cos	fc_cos;	/*  FC classes of services */
391 	bfa_boolean_t	cisc;	/*  CISC capable device */
392 	struct bfa_rport_symname_s symname; /*  Symbolic Name */
393 	enum bfa_rport_function	scsi_function; /*  Initiator/Target */
394 	struct bfa_rport_qos_attr_s qos_attr; /*  qos attributes  */
395 	enum bfa_port_speed curr_speed;   /*  operating speed got from
396 					    * RPSC ELS. UNKNOWN, if RPSC
397 					    * is not supported */
398 	bfa_boolean_t	trl_enforced;	/*  TRL enforced ? TRUE/FALSE */
399 	enum bfa_port_speed	assigned_speed;	/* Speed assigned by the user.
400 						 * will be used if RPSC is not
401 						 * supported by the rport */
402 };
403 
404 struct bfa_rport_remote_link_stats_s {
405 	u32 lfc; /*  Link Failure Count */
406 	u32 lsyc; /*  Loss of Synchronization Count */
407 	u32 lsic; /*  Loss of Signal Count */
408 	u32 pspec; /*  Primitive Sequence Protocol Error Count */
409 	u32 itwc; /*  Invalid Transmission Word Count */
410 	u32 icc; /*  Invalid CRC Count */
411 };
412 
413 
414 #define BFA_MAX_IO_INDEX 7
415 #define BFA_NO_IO_INDEX 9
416 
417 /*
418  * FCS itnim states
419  */
420 enum bfa_itnim_state {
421 	BFA_ITNIM_OFFLINE	= 0,	/*  offline */
422 	BFA_ITNIM_PRLI_SEND	= 1,	/*  prli send */
423 	BFA_ITNIM_PRLI_SENT	= 2,	/*  prli sent */
424 	BFA_ITNIM_PRLI_RETRY	= 3,	/*  prli retry */
425 	BFA_ITNIM_HCB_ONLINE	= 4,	/*  online callback */
426 	BFA_ITNIM_ONLINE	= 5,	/*  online */
427 	BFA_ITNIM_HCB_OFFLINE	= 6,	/*  offline callback */
428 	BFA_ITNIM_INITIATIOR	= 7,	/*  initiator */
429 };
430 
431 /*
432  * FCS remote port statistics
433  */
434 struct bfa_itnim_stats_s {
435 	u32        onlines;	/*  num rport online */
436 	u32        offlines;	/*  num rport offline */
437 	u32        prli_sent;	/*  num prli sent out */
438 	u32        fcxp_alloc_wait;/*  num fcxp alloc waits */
439 	u32        prli_rsp_err;	/*  num prli rsp errors */
440 	u32        prli_rsp_acc;	/*  num prli rsp accepts */
441 	u32        initiator;	/*  rport is an initiator */
442 	u32        prli_rsp_parse_err;	/*  prli rsp parsing errors */
443 	u32        prli_rsp_rjt;	/*  num prli rsp rejects */
444 	u32        timeout;	/*  num timeouts detected */
445 	u32        sler;		/*  num sler notification from BFA */
446 	u32	rsvd;		/* padding for 64 bit alignment */
447 };
448 
449 /*
450  * FCS itnim attributes returned in queries
451  */
452 struct bfa_itnim_attr_s {
453 	enum bfa_itnim_state state; /*  FCS itnim state        */
454 	u8 retry;		/*  data retransmision support */
455 	u8	task_retry_id;  /*  task retry ident support   */
456 	u8 rec_support;    /*  REC supported              */
457 	u8 conf_comp;      /*  confirmed completion supp  */
458 };
459 
460 #endif /* __BFA_DEFS_FCS_H__ */
461