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8#ifndef _MESH_H
9#define _MESH_H
10
11struct mesh_cmd_priv {
12 int this_residual;
13 int message;
14 int status;
15};
16
17static inline struct mesh_cmd_priv *mesh_priv(struct scsi_cmnd *cmd)
18{
19 return scsi_cmd_priv(cmd);
20}
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25
26struct mesh_regs {
27 unsigned char count_lo;
28 char pad0[15];
29 unsigned char count_hi;
30 char pad1[15];
31 unsigned char fifo;
32 char pad2[15];
33 unsigned char sequence;
34 char pad3[15];
35 unsigned char bus_status0;
36 char pad4[15];
37 unsigned char bus_status1;
38 char pad5[15];
39 unsigned char fifo_count;
40 char pad6[15];
41 unsigned char exception;
42 char pad7[15];
43 unsigned char error;
44 char pad8[15];
45 unsigned char intr_mask;
46 char pad9[15];
47 unsigned char interrupt;
48 char pad10[15];
49 unsigned char source_id;
50 char pad11[15];
51 unsigned char dest_id;
52 char pad12[15];
53 unsigned char sync_params;
54 char pad13[15];
55 unsigned char mesh_id;
56 char pad14[15];
57 unsigned char sel_timeout;
58 char pad15[15];
59};
60
61
62#define SEQ_DMA_MODE 0x80
63#define SEQ_TARGET 0x40
64#define SEQ_ATN 0x20
65#define SEQ_ACTIVE_NEG 0x10
66#define SEQ_CMD 0x0f
67#define SEQ_ARBITRATE 1
68#define SEQ_SELECT 2
69#define SEQ_COMMAND 3
70#define SEQ_STATUS 4
71#define SEQ_DATAOUT 5
72#define SEQ_DATAIN 6
73#define SEQ_MSGOUT 7
74#define SEQ_MSGIN 8
75#define SEQ_BUSFREE 9
76#define SEQ_ENBPARITY 0x0a
77#define SEQ_DISPARITY 0x0b
78#define SEQ_ENBRESEL 0x0c
79#define SEQ_DISRESEL 0x0d
80#define SEQ_RESETMESH 0x0e
81#define SEQ_FLUSHFIFO 0x0f
82
83
84
85#define BS0_REQ 0x20
86#define BS0_ACK 0x10
87#define BS0_ATN 0x08
88#define BS0_MSG 0x04
89#define BS0_CD 0x02
90#define BS0_IO 0x01
91#define BS1_RST 0x80
92#define BS1_BSY 0x40
93#define BS1_SEL 0x20
94
95
96#define BS0_PHASE (BS0_MSG+BS0_CD+BS0_IO)
97#define BP_DATAOUT 0
98#define BP_DATAIN BS0_IO
99#define BP_COMMAND BS0_CD
100#define BP_STATUS (BS0_CD+BS0_IO)
101#define BP_MSGOUT (BS0_MSG+BS0_CD)
102#define BP_MSGIN (BS0_MSG+BS0_CD+BS0_IO)
103
104
105#define EXC_SELWATN 0x20
106#define EXC_SELECTED 0x10
107#define EXC_RESELECTED 0x08
108#define EXC_ARBLOST 0x04
109#define EXC_PHASEMM 0x02
110#define EXC_SELTO 0x01
111
112
113#define ERR_UNEXPDISC 0x40
114#define ERR_SCSIRESET 0x20
115#define ERR_SEQERR 0x10
116#define ERR_PARITY 0x01
117
118
119#define INT_ERROR 0x04
120#define INT_EXCEPTION 0x02
121#define INT_CMDDONE 0x01
122
123
124#define SYNC_OFF(x) ((x) >> 4)
125#define SYNC_PER(x) ((x) & 0xf)
126#define SYNC_PARAMS(o, p) (((o) << 4) | (p))
127#define ASYNC_PARAMS 2
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139#endif
140