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Diffstat (limited to 'drivers/scsi/bfa/include/aen/bfa_aen.h')
-rw-r--r--drivers/scsi/bfa/include/aen/bfa_aen.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/include/aen/bfa_aen.h b/drivers/scsi/bfa/include/aen/bfa_aen.h
new file mode 100644
index 000000000000..da8cac093d3d
--- /dev/null
+++ b/drivers/scsi/bfa/include/aen/bfa_aen.h
@@ -0,0 +1,92 @@
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#ifndef __BFA_AEN_H__
18#define __BFA_AEN_H__
19
20#include "defs/bfa_defs_aen.h"
21
22#define BFA_AEN_MAX_ENTRY 512
23
24extern s32 bfa_aen_max_cfg_entry;
25struct bfa_aen_s {
26 void *bfad;
27 s32 max_entry;
28 s32 write_index;
29 s32 read_index;
30 u32 bfad_num;
31 u32 seq_num;
32 void (*aen_cb_notify)(void *bfad);
33 void (*gettimeofday)(struct bfa_timeval_s *tv);
34 struct bfa_trc_mod_s *trcmod;
35 struct bfa_aen_entry_s list[BFA_AEN_MAX_ENTRY]; /* Must be the last */
36};
37
38
39/**
40 * Public APIs
41 */
42static inline void
43bfa_aen_set_max_cfg_entry(int max_entry)
44{
45 bfa_aen_max_cfg_entry = max_entry;
46}
47
48static inline s32
49bfa_aen_get_max_cfg_entry(void)
50{
51 return bfa_aen_max_cfg_entry;
52}
53
54static inline s32
55bfa_aen_get_meminfo(void)
56{
57 return (sizeof(struct bfa_aen_entry_s) * bfa_aen_get_max_cfg_entry());
58}
59
60static inline s32
61bfa_aen_get_wi(struct bfa_aen_s *aen)
62{
63 return aen->write_index;
64}
65
66static inline s32
67bfa_aen_get_ri(struct bfa_aen_s *aen)
68{
69 return aen->read_index;
70}
71
72static inline s32
73bfa_aen_fetch_count(struct bfa_aen_s *aen, s32 read_index)
74{
75 return ((aen->write_index + aen->max_entry) - read_index)
76 % aen->max_entry;
77}
78
79s32 bfa_aen_init(struct bfa_aen_s *aen, struct bfa_trc_mod_s *trcmod,
80 void *bfad, u32 inst_id, void (*aen_cb_notify)(void *),
81 void (*gettimeofday)(struct bfa_timeval_s *));
82
83s32 bfa_aen_post(struct bfa_aen_s *aen, enum bfa_aen_category aen_category,
84 int aen_type, union bfa_aen_data_u *aen_data);
85
86s32 bfa_aen_fetch(struct bfa_aen_s *aen, struct bfa_aen_entry_s *aen_entry,
87 s32 entry_space, s32 rii, s32 *ri_arr,
88 s32 ri_arr_cnt);
89
90s32 bfa_aen_get_inst(struct bfa_aen_s *aen);
91
92#endif /* __BFA_AEN_H__ */