1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFI_H__
#define __BFI_H__
#include <bfa_os_inc.h>
#include <defs/bfa_defs_status.h>
#pragma pack(1)
/**
* Msg header common to all msgs
*/
struct bfi_mhdr_s {
u8 msg_class; /* @ref bfi_mclass_t */
u8 msg_id; /* msg opcode with in the class */
union {
struct {
u8 rsvd;
u8 lpu_id; /* msg destination */
} h2i;
u16 i2htok; /* token in msgs to host */
} mtag;
};
#define bfi_h2i_set(_mh, _mc, _op, _lpuid) do { \
(_mh).msg_class = (_mc); \
(_mh).msg_id = (_op); \
(_mh).mtag.h2i.lpu_id = (_lpuid); \
} while (0)
#define bfi_i2h_set(_mh, _mc, _op, _i2htok) do { \
(_mh).msg_class = (_mc); \
(_mh).msg_id = (_op); \
(_mh).mtag.i2htok = (_i2htok); \
} while (0)
/*
* Message opcodes: 0-127 to firmware, 128-255 to host
*/
#define BFI_I2H_OPCODE_BASE 128
#define BFA_I2HM(_x) ((_x) + BFI_I2H_OPCODE_BASE)
/**
****************************************************************************
*
* Scatter Gather Element and Page definition
*
****************************************************************************
*/
#define BFI_SGE_INLINE 1
#define BFI_SGE_INLINE_MAX (BFI_SGE_INLINE + 1)
/**
* SG Flags
*/
enum {
BFI_SGE_DATA = 0, /* data address, not last */
BFI_SGE_DATA_CPL = 1, /* data addr, last in current page */
BFI_SGE_DATA_LAST = 3, /* data address, last */
BFI_SGE_LINK = 2, /* link address */
BFI_SGE_PGDLEN = 2, /* cumulative data length for page */
};
/**
* DMA addresses
*/
union bfi_addr_u {
struct {
u32 addr_lo;
u32 addr_hi;
} a32;
};
/**
* Scatter Gather Element
*/
struct bfi_sge_s {
#ifdef __BIGENDIAN
u32 flags:2,
rsvd:2,
sg_len:28;
#else
u32 sg_len:28,
rsvd:2,
flags:2;
#endif
union bfi_addr_u sga;
};
/**
* Scatter Gather Page
*/
#define BFI_SGPG_DATA_SGES 7
#define BFI_SGPG_SGES_MAX (BFI_SGPG_DATA_SGES + 1)
#define BFI_SGPG_RSVD_WD_LEN 8
struct bfi_sgpg_s {
struct bfi_sge_s sges[BFI_SGPG_SGES_MAX];
u32 rsvd[BFI_SGPG_RSVD_WD_LEN];
};
/*
* Large Message structure - 128 Bytes size Msgs
*/
#define BFI_LMSG_SZ 128
#define BFI_LMSG_PL_WSZ \
((BFI_LMSG_SZ - sizeof(struct bfi_mhdr_s)) / 4)
struct bfi_msg_s {
struct bfi_mhdr_s mhdr;
u32 pl[BFI_LMSG_PL_WSZ];
};
/**
* Mailbox message structure
*/
#define BFI_MBMSG_SZ 7
struct bfi_mbmsg_s {
struct bfi_mhdr_s mh;
u32 pl[BFI_MBMSG_SZ];
};
/**
* Message Classes
*/
enum bfi_mclass {
BFI_MC_IOC = 1, /* IO Controller (IOC) */
BFI_MC_DIAG = 2, /* Diagnostic Msgs */
BFI_MC_FLASH = 3, /* Flash message class */
BFI_MC_CEE = 4,
BFI_MC_FC_PORT = 5, /* FC port */
BFI_MC_IOCFC = 6, /* FC - IO Controller (IOC) */
BFI_MC_LL = 7, /* Link Layer */
BFI_MC_UF = 8, /* Unsolicited frame receive */
BFI_MC_FCXP = 9, /* FC Transport */
BFI_MC_LPS = 10, /* lport fc login services */
BFI_MC_RPORT = 11, /* Remote port */
BFI_MC_ITNIM = 12, /* I-T nexus (Initiator mode) */
BFI_MC_IOIM_READ = 13, /* read IO (Initiator mode) */
BFI_MC_IOIM_WRITE = 14, /* write IO (Initiator mode) */
BFI_MC_IOIM_IO = 15, /* IO (Initiator mode) */
BFI_MC_IOIM = 16, /* IO (Initiator mode) */
BFI_MC_IOIM_IOCOM = 17, /* good IO completion */
BFI_MC_TSKIM = 18, /* Initiator Task management */
BFI_MC_SBOOT = 19, /* SAN boot services */
BFI_MC_IPFC = 20, /* IP over FC Msgs */
BFI_MC_PORT = 21, /* Physical port */
BFI_MC_MAX = 32
};
#define BFI_IOC_MAX_CQS 4
#define BFI_IOC_MAX_CQS_ASIC 8
#define BFI_IOC_MSGLEN_MAX 32 /* 32 bytes */
#pragma pack()
#endif /* __BFI_H__ */
|
