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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/scsi/bfa/include/defs/
1/*
2 * Copyright (c) 2005-2009 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_TIN_H__
19#define __BFA_DEFS_TIN_H__
20
21#include <protocol/types.h>
22#include <protocol/fc.h>
23
24/**
25 * FCS tin states
26 */
27enum bfa_tin_state_e {
28	BFA_TIN_SM_OFFLINE = 0,		/*  tin is offline */
29	BFA_TIN_SM_WOS_LOGIN = 1,	/*  Waiting PRLI ACC/RJT from ULP */
30	BFA_TIN_SM_WFW_ONLINE = 2,	/*  Waiting ACK to PRLI ACC from FW */
31	BFA_TIN_SM_ONLINE = 3,		/*  tin login is complete */
32	BFA_TIN_SM_WIO_RELOGIN = 4,	/*  tin relogin is in progress */
33	BFA_TIN_SM_WIO_LOGOUT = 5,	/*  Processing of PRLO req from
34					 *   Initiator is in progress
35					 */
36	BFA_TIN_SM_WOS_LOGOUT = 6,	/*  Processing of PRLO req from
37					 *   Initiator is in progress
38					 */
39	BFA_TIN_SM_WIO_CLEAN = 7,	/*  Waiting for IO cleanup before tin
40					 *   is offline. This can be triggered
41					 *   by RPORT LOGO (rcvd/sent) or by
42					 *   PRLO (rcvd/sent)
43					 */
44};
45
46struct bfa_prli_req_s {
47	struct fchs_s fchs;
48	struct fc_prli_s prli_payload;
49};
50
51struct bfa_prlo_req_s {
52	struct fchs_s fchs;
53	struct fc_prlo_s prlo_payload;
54};
55
56void bfa_tin_send_login_rsp(void *bfa_tin, u32 login_rsp,
57				struct fc_ls_rjt_s rjt_payload);
58void bfa_tin_send_logout_rsp(void *bfa_tin, u32 logout_rsp,
59				struct fc_ls_rjt_s rjt_payload);
60/**
61 * FCS target port statistics
62 */
63struct bfa_tin_stats_s {
64	u32 onlines;	/*  ITN nexus onlines (PRLI done) */
65	u32 offlines;	/*  ITN Nexus offlines 	*/
66	u32 prli_req_parse_err;	/*  prli req parsing errors */
67	u32 prli_rsp_rjt;	/*  num prli rsp rejects sent */
68	u32 prli_rsp_acc;	/*  num prli rsp accepts sent */
69	u32 cleanup_comps;	/*  ITN cleanup completions */
70};
71
72/**
73 * FCS tin attributes returned in queries
74 */
75struct bfa_tin_attr_s {
76	enum bfa_tin_state_e state;
77	u8	seq_retry;    /*  Sequence retry supported      */
78	u8	rsvd[3];
79};
80
81/**
82 * BFA TIN async event data structure for BFAL
83 */
84enum bfa_tin_aen_event {
85	BFA_TIN_AEN_ONLINE 	= 1,	/*  Target online */
86	BFA_TIN_AEN_OFFLINE 	= 2,	/*  Target offline */
87	BFA_TIN_AEN_DISCONNECT	= 3,	/*  Target disconnected */
88};
89
90/**
91 * BFA TIN event data structure.
92 */
93struct bfa_tin_aen_data_s {
94	u16 vf_id;	/*  vf_id of the IT nexus */
95	u16 rsvd[3];
96	wwn_t lpwwn;	/*  WWN of logical port */
97	wwn_t rpwwn;	/*  WWN of remote(target) port */
98};
99
100/**
101 * Below APIs are needed from BFA driver
102 * Move these to BFA driver public header file?
103 */
104/*  TIN rcvd new PRLI & gets bfad_tin_t ptr from driver this callback */
105void *bfad_tin_rcvd_login_req(void *bfad_tm_port, void *bfa_tin,
106				wwn_t rp_wwn, u32 rp_fcid,
107				struct bfa_prli_req_s prli_req);
108/*  TIN rcvd new PRLO */
109void bfad_tin_rcvd_logout_req(void *bfad_tin, wwn_t rp_wwn, u32 rp_fcid,
110				struct bfa_prlo_req_s prlo_req);
111/*  TIN is online and ready for IO */
112void bfad_tin_online(void *bfad_tin);
113/*  TIN is offline and BFA driver can shutdown its upper stack */
114void bfad_tin_offline(void *bfad_tin);
115/*  TIN does not need this BFA driver tin tag anymore, so can be freed */
116void bfad_tin_res_free(void *bfad_tin);
117
118#endif /* __BFA_DEFS_TIN_H__ */
119