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-rw-r--r--drivers/scsi/bfa/bfa_plog.h159
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diff --git a/drivers/scsi/bfa/bfa_plog.h b/drivers/scsi/bfa/bfa_plog.h
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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#ifndef __BFA_PORTLOG_H__
18#define __BFA_PORTLOG_H__
19
20#include "bfa_fc.h"
21#include "bfa_defs.h"
22
23#define BFA_PL_NLOG_ENTS 256
24#define BFA_PL_LOG_REC_INCR(_x) ((_x)++, (_x) %= BFA_PL_NLOG_ENTS)
25
26#define BFA_PL_STRING_LOG_SZ 32 /* number of chars in string log */
27#define BFA_PL_INT_LOG_SZ 8 /* number of integers in the integer log */
28
29enum bfa_plog_log_type {
30 BFA_PL_LOG_TYPE_INVALID = 0,
31 BFA_PL_LOG_TYPE_INT = 1,
32 BFA_PL_LOG_TYPE_STRING = 2,
33};
34
35/*
36 * the (fixed size) record format for each entry in the portlog
37 */
38struct bfa_plog_rec_s {
39 u64 tv; /* timestamp */
40 u8 port; /* Source port that logged this entry */
41 u8 mid; /* module id */
42 u8 eid; /* indicates Rx, Tx, IOCTL, etc. bfa_plog_eid */
43 u8 log_type; /* string/integer log, bfa_plog_log_type_t */
44 u8 log_num_ints;
45 /*
46 * interpreted only if log_type is INT_LOG. indicates number of
47 * integers in the int_log[] (0-PL_INT_LOG_SZ).
48 */
49 u8 rsvd;
50 u16 misc; /* can be used to indicate fc frame length */
51 union {
52 char string_log[BFA_PL_STRING_LOG_SZ];
53 u32 int_log[BFA_PL_INT_LOG_SZ];
54 } log_entry;
55
56};
57
58/*
59 * the following #defines will be used by the logging entities to indicate
60 * their module id. BFAL will convert the integer value to string format
61 *
62* process to be used while changing the following #defines:
63 * - Always add new entries at the end
64 * - define corresponding string in BFAL
65 * - Do not remove any entry or rearrange the order.
66 */
67enum bfa_plog_mid {
68 BFA_PL_MID_INVALID = 0,
69 BFA_PL_MID_DEBUG = 1,
70 BFA_PL_MID_DRVR = 2,
71 BFA_PL_MID_HAL = 3,
72 BFA_PL_MID_HAL_FCXP = 4,
73 BFA_PL_MID_HAL_UF = 5,
74 BFA_PL_MID_FCS = 6,
75 BFA_PL_MID_LPS = 7,
76 BFA_PL_MID_MAX = 8
77};
78
79#define BFA_PL_MID_STRLEN 8
80struct bfa_plog_mid_strings_s {
81 char m_str[BFA_PL_MID_STRLEN];
82};
83
84/*
85 * the following #defines will be used by the logging entities to indicate
86 * their event type. BFAL will convert the integer value to string format
87 *
88* process to be used while changing the following #defines:
89 * - Always add new entries at the end
90 * - define corresponding string in BFAL
91 * - Do not remove any entry or rearrange the order.
92 */
93enum bfa_plog_eid {
94 BFA_PL_EID_INVALID = 0,
95 BFA_PL_EID_IOC_DISABLE = 1,
96 BFA_PL_EID_IOC_ENABLE = 2,
97 BFA_PL_EID_PORT_DISABLE = 3,
98 BFA_PL_EID_PORT_ENABLE = 4,
99 BFA_PL_EID_PORT_ST_CHANGE = 5,
100 BFA_PL_EID_TX = 6,
101 BFA_PL_EID_TX_ACK1 = 7,
102 BFA_PL_EID_TX_RJT = 8,
103 BFA_PL_EID_TX_BSY = 9,
104 BFA_PL_EID_RX = 10,
105 BFA_PL_EID_RX_ACK1 = 11,
106 BFA_PL_EID_RX_RJT = 12,
107 BFA_PL_EID_RX_BSY = 13,
108 BFA_PL_EID_CT_IN = 14,
109 BFA_PL_EID_CT_OUT = 15,
110 BFA_PL_EID_DRIVER_START = 16,
111 BFA_PL_EID_RSCN = 17,
112 BFA_PL_EID_DEBUG = 18,
113 BFA_PL_EID_MISC = 19,
114 BFA_PL_EID_FIP_FCF_DISC = 20,
115 BFA_PL_EID_FIP_FCF_CVL = 21,
116 BFA_PL_EID_LOGIN = 22,
117 BFA_PL_EID_LOGO = 23,
118 BFA_PL_EID_TRUNK_SCN = 24,
119 BFA_PL_EID_MAX
120};
121
122#define BFA_PL_ENAME_STRLEN 8
123struct bfa_plog_eid_strings_s {
124 char e_str[BFA_PL_ENAME_STRLEN];
125};
126
127#define BFA_PL_SIG_LEN 8
128#define BFA_PL_SIG_STR "12pl123"
129
130/*
131 * per port circular log buffer
132 */
133struct bfa_plog_s {
134 char plog_sig[BFA_PL_SIG_LEN]; /* Start signature */
135 u8 plog_enabled;
136 u8 rsvd[7];
137 u32 ticks;
138 u16 head;
139 u16 tail;
140 struct bfa_plog_rec_s plog_recs[BFA_PL_NLOG_ENTS];
141};
142
143void bfa_plog_init(struct bfa_plog_s *plog);
144void bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
145 enum bfa_plog_eid event, u16 misc, char *log_str);
146void bfa_plog_intarr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
147 enum bfa_plog_eid event, u16 misc,
148 u32 *intarr, u32 num_ints);
149void bfa_plog_fchdr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
150 enum bfa_plog_eid event, u16 misc, struct fchs_s *fchdr);
151void bfa_plog_fchdr_and_pl(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
152 enum bfa_plog_eid event, u16 misc,
153 struct fchs_s *fchdr, u32 pld_w0);
154void bfa_plog_clear(struct bfa_plog_s *plog);
155void bfa_plog_enable(struct bfa_plog_s *plog);
156void bfa_plog_disable(struct bfa_plog_s *plog);
157bfa_boolean_t bfa_plog_get_setting(struct bfa_plog_s *plog);
158
159#endif /* __BFA_PORTLOG_H__ */
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