spi-topcliff-pch: add recovery processing in case wait-event timeout
[zen-stable.git] / drivers / scsi / bfa / bfa_defs_fcs.h
blob3bbc583f65cfeee82a9c2e6aace0b4a7490a025f
1 /*
2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
3 * All rights reserved
4 * www.brocade.com
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
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
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.
18 #ifndef __BFA_DEFS_FCS_H__
19 #define __BFA_DEFS_FCS_H__
21 #include "bfa_fc.h"
22 #include "bfa_defs_svc.h"
25 * VF states
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 */
39 * VF statistics
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 */
59 * VF attributes returned in queries
61 struct bfa_vf_attr_s {
62 enum bfa_vf_state state; /* VF state */
63 u32 rsvd;
64 wwn_t fabric_name; /* fabric name */
67 #define BFA_FCS_MAX_LPORTS 256
68 #define BFA_FCS_FABRIC_IPADDR_SZ 16
71 * symbolic names for base port/virtual port
73 #define BFA_SYMNAME_MAXLEN 128 /* 128 bytes */
74 struct bfa_lport_symname_s {
75 char symname[BFA_SYMNAME_MAXLEN];
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.
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,
90 * FCS port configuration.
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];
104 * FCS port states
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 */
114 * FCS port type.
116 enum bfa_lport_type {
117 BFA_LPORT_TYPE_PHYSICAL = 0,
118 BFA_LPORT_TYPE_VIRTUAL,
122 * FCS port offline reason.
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,
134 * FCS lport info.
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;
146 * following 4 feilds are valid for Physical Ports only
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 */
156 * FCS port statistics
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;
167 u32 ns_retries; /* NS command retries */
168 u32 ns_timeouts; /* NS command timeouts */
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;
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;
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;
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;
196 * Mgmt Server stats
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;
208 u32 num_rscn; /* Num of RSCN received */
209 u32 num_portid_rscn;/* Num portid format RSCN
210 * received */
212 u32 uf_recvs; /* Unsolicited recv frames */
213 u32 uf_recv_drops; /* Dropped received frames */
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) */
228 * BFA port attribute returned in queries
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 */
245 * VPORT states
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,
265 * vport statistics
267 struct bfa_vport_stats_s {
268 struct bfa_lport_stats_s port_stats; /* base class (port) stats */
270 * TODO - remove
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;
282 *!< fdisc rsp unknown error
284 u32 fdisc_alloc_wait;/* fdisc req (fcxp)alloc wait */
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 */
294 u32 fab_no_npiv; /* fabric does not support npiv */
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;
303 * BFA vport attribute returned in queries
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;
312 * FCS remote port states
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 */
328 * Rport Scsi Function : Initiator/Target.
330 enum bfa_rport_function {
331 BFA_RPORT_INITIATOR = 0x01, /* SCSI Initiator */
332 BFA_RPORT_TARGET = 0x02, /* SCSI Target */
336 * port/node symbolic names for rport
338 #define BFA_RPORT_SYMNAME_MAXLEN 255
339 struct bfa_rport_symname_s {
340 char symname[BFA_RPORT_SYMNAME_MAXLEN];
344 * FCS remote port statistics
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 */
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 */
376 u32 rjt_insuff_res; /* LS RJT with insuff resources */
377 struct bfa_rport_hal_stats_s hal_stats; /* BFA rport stats */
381 * FCS remote port attributes returned in queries
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 */
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 */
414 #define BFA_MAX_IO_INDEX 7
415 #define BFA_NO_IO_INDEX 9
418 * FCS itnim states
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 */
432 * FCS remote port statistics
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 */
450 * FCS itnim attributes returned in queries
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 */
460 #endif /* __BFA_DEFS_FCS_H__ */