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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
// SPDX-License-Identifier: GPL-2.0-or-later
//
// packet-header-definitions.h - The definitions of header fields for IEEE 1394 packet.
//
// Copyright (c) 2024 Takashi Sakamoto
#ifndef _FIREWIRE_PACKET_HEADER_DEFINITIONS_H
#define _FIREWIRE_PACKET_HEADER_DEFINITIONS_H
#define ASYNC_HEADER_QUADLET_COUNT 4
#define ASYNC_HEADER_Q0_DESTINATION_SHIFT 16
#define ASYNC_HEADER_Q0_DESTINATION_MASK 0xffff0000
#define ASYNC_HEADER_Q0_TLABEL_SHIFT 10
#define ASYNC_HEADER_Q0_TLABEL_MASK 0x0000fc00
#define ASYNC_HEADER_Q0_RETRY_SHIFT 8
#define ASYNC_HEADER_Q0_RETRY_MASK 0x00000300
#define ASYNC_HEADER_Q0_TCODE_SHIFT 4
#define ASYNC_HEADER_Q0_TCODE_MASK 0x000000f0
#define ASYNC_HEADER_Q0_PRIORITY_SHIFT 0
#define ASYNC_HEADER_Q0_PRIORITY_MASK 0x0000000f
#define ASYNC_HEADER_Q1_SOURCE_SHIFT 16
#define ASYNC_HEADER_Q1_SOURCE_MASK 0xffff0000
#define ASYNC_HEADER_Q1_RCODE_SHIFT 12
#define ASYNC_HEADER_Q1_RCODE_MASK 0x0000f000
#define ASYNC_HEADER_Q1_RCODE_SHIFT 12
#define ASYNC_HEADER_Q1_RCODE_MASK 0x0000f000
#define ASYNC_HEADER_Q1_OFFSET_HIGH_SHIFT 0
#define ASYNC_HEADER_Q1_OFFSET_HIGH_MASK 0x0000ffff
#define ASYNC_HEADER_Q3_DATA_LENGTH_SHIFT 16
#define ASYNC_HEADER_Q3_DATA_LENGTH_MASK 0xffff0000
#define ASYNC_HEADER_Q3_EXTENDED_TCODE_SHIFT 0
#define ASYNC_HEADER_Q3_EXTENDED_TCODE_MASK 0x0000ffff
static inline unsigned int async_header_get_destination(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
{
return (header[0] & ASYNC_HEADER_Q0_DESTINATION_MASK) >> ASYNC_HEADER_Q0_DESTINATION_SHIFT;
}
static inline unsigned int async_header_get_tlabel(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
{
return (header[0] & ASYNC_HEADER_Q0_TLABEL_MASK) >> ASYNC_HEADER_Q0_TLABEL_SHIFT;
}
static inline unsigned int async_header_get_retry(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
{
return (header[0] & ASYNC_HEADER_Q0_RETRY_MASK) >> ASYNC_HEADER_Q0_RETRY_SHIFT;
}
static inline unsigned int async_header_get_tcode(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
{
return (header[0] & ASYNC_HEADER_Q0_TCODE_MASK) >> ASYNC_HEADER_Q0_TCODE_SHIFT;
}
static inline unsigned int async_header_get_priority(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
{
return (header[0] & ASYNC_HEADER_Q0_PRIORITY_MASK) >> ASYNC_HEADER_Q0_PRIORITY_SHIFT;
}
static inline unsigned int async_header_get_source(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
{
return (header[1] & ASYNC_HEADER_Q1_SOURCE_MASK) >> ASYNC_HEADER_Q1_SOURCE_SHIFT;
}
static inline unsigned int async_header_get_rcode(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
{
return (header[1] & ASYNC_HEADER_Q1_RCODE_MASK) >> ASYNC_HEADER_Q1_RCODE_SHIFT;
}
static inline u64 async_header_get_offset(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
{
u32 hi = (header[1] & ASYNC_HEADER_Q1_OFFSET_HIGH_MASK) >> ASYNC_HEADER_Q1_OFFSET_HIGH_SHIFT;
return (((u64)hi) << 32) | ((u64)header[2]);
}
static inline u32 async_header_get_quadlet_data(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
{
return header[3];
}
static inline unsigned int async_header_get_data_length(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
{
return (header[3] & ASYNC_HEADER_Q3_DATA_LENGTH_MASK) >> ASYNC_HEADER_Q3_DATA_LENGTH_SHIFT;
}
static inline unsigned int async_header_get_extended_tcode(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
{
return (header[3] & ASYNC_HEADER_Q3_EXTENDED_TCODE_MASK) >> ASYNC_HEADER_Q3_EXTENDED_TCODE_SHIFT;
}
static inline void async_header_set_destination(u32 header[ASYNC_HEADER_QUADLET_COUNT],
unsigned int destination)
{
header[0] &= ~ASYNC_HEADER_Q0_DESTINATION_MASK;
header[0] |= (((u32)destination) << ASYNC_HEADER_Q0_DESTINATION_SHIFT) & ASYNC_HEADER_Q0_DESTINATION_MASK;
}
static inline void async_header_set_tlabel(u32 header[ASYNC_HEADER_QUADLET_COUNT],
unsigned int tlabel)
{
header[0] &= ~ASYNC_HEADER_Q0_TLABEL_MASK;
header[0] |= (((u32)tlabel) << ASYNC_HEADER_Q0_TLABEL_SHIFT) & ASYNC_HEADER_Q0_TLABEL_MASK;
}
static inline void async_header_set_retry(u32 header[ASYNC_HEADER_QUADLET_COUNT],
unsigned int retry)
{
header[0] &= ~ASYNC_HEADER_Q0_RETRY_MASK;
header[0] |= (((u32)retry) << ASYNC_HEADER_Q0_RETRY_SHIFT) & ASYNC_HEADER_Q0_RETRY_MASK;
}
static inline void async_header_set_tcode(u32 header[ASYNC_HEADER_QUADLET_COUNT],
unsigned int tcode)
{
header[0] &= ~ASYNC_HEADER_Q0_TCODE_MASK;
header[0] |= (((u32)tcode) << ASYNC_HEADER_Q0_TCODE_SHIFT) & ASYNC_HEADER_Q0_TCODE_MASK;
}
static inline void async_header_set_priority(u32 header[ASYNC_HEADER_QUADLET_COUNT],
unsigned int priority)
{
header[0] &= ~ASYNC_HEADER_Q0_PRIORITY_MASK;
header[0] |= (((u32)priority) << ASYNC_HEADER_Q0_PRIORITY_SHIFT) & ASYNC_HEADER_Q0_PRIORITY_MASK;
}
static inline void async_header_set_source(u32 header[ASYNC_HEADER_QUADLET_COUNT],
unsigned int source)
{
header[1] &= ~ASYNC_HEADER_Q1_SOURCE_MASK;
header[1] |= (((u32)source) << ASYNC_HEADER_Q1_SOURCE_SHIFT) & ASYNC_HEADER_Q1_SOURCE_MASK;
}
static inline void async_header_set_rcode(u32 header[ASYNC_HEADER_QUADLET_COUNT],
unsigned int rcode)
{
header[1] &= ~ASYNC_HEADER_Q1_RCODE_MASK;
header[1] |= (((u32)rcode) << ASYNC_HEADER_Q1_RCODE_SHIFT) & ASYNC_HEADER_Q1_RCODE_MASK;
}
static inline void async_header_set_offset(u32 header[ASYNC_HEADER_QUADLET_COUNT], u64 offset)
{
u32 hi = (u32)(offset >> 32);
header[1] &= ~ASYNC_HEADER_Q1_OFFSET_HIGH_MASK;
header[1] |= (hi << ASYNC_HEADER_Q1_OFFSET_HIGH_SHIFT) & ASYNC_HEADER_Q1_OFFSET_HIGH_MASK;
header[2] = (u32)(offset & 0x00000000ffffffff);
}
static inline void async_header_set_quadlet_data(u32 header[ASYNC_HEADER_QUADLET_COUNT], u32 quadlet_data)
{
header[3] = quadlet_data;
}
static inline void async_header_set_data_length(u32 header[ASYNC_HEADER_QUADLET_COUNT],
unsigned int data_length)
{
header[3] &= ~ASYNC_HEADER_Q3_DATA_LENGTH_MASK;
header[3] |= (((u32)data_length) << ASYNC_HEADER_Q3_DATA_LENGTH_SHIFT) & ASYNC_HEADER_Q3_DATA_LENGTH_MASK;
}
static inline void async_header_set_extended_tcode(u32 header[ASYNC_HEADER_QUADLET_COUNT],
unsigned int extended_tcode)
{
header[3] &= ~ASYNC_HEADER_Q3_EXTENDED_TCODE_MASK;
header[3] |= (((u32)extended_tcode) << ASYNC_HEADER_Q3_EXTENDED_TCODE_SHIFT) & ASYNC_HEADER_Q3_EXTENDED_TCODE_MASK;
}
#define ISOC_HEADER_DATA_LENGTH_SHIFT 16
#define ISOC_HEADER_DATA_LENGTH_MASK 0xffff0000
#define ISOC_HEADER_TAG_SHIFT 14
#define ISOC_HEADER_TAG_MASK 0x0000c000
#define ISOC_HEADER_CHANNEL_SHIFT 8
#define ISOC_HEADER_CHANNEL_MASK 0x00003f00
#define ISOC_HEADER_TCODE_SHIFT 4
#define ISOC_HEADER_TCODE_MASK 0x000000f0
#define ISOC_HEADER_SY_SHIFT 0
#define ISOC_HEADER_SY_MASK 0x0000000f
static inline unsigned int isoc_header_get_data_length(u32 header)
{
return (header & ISOC_HEADER_DATA_LENGTH_MASK) >> ISOC_HEADER_DATA_LENGTH_SHIFT;
}
static inline unsigned int isoc_header_get_tag(u32 header)
{
return (header & ISOC_HEADER_TAG_MASK) >> ISOC_HEADER_TAG_SHIFT;
}
static inline unsigned int isoc_header_get_channel(u32 header)
{
return (header & ISOC_HEADER_CHANNEL_MASK) >> ISOC_HEADER_CHANNEL_SHIFT;
}
static inline unsigned int isoc_header_get_tcode(u32 header)
{
return (header & ISOC_HEADER_TCODE_MASK) >> ISOC_HEADER_TCODE_SHIFT;
}
static inline unsigned int isoc_header_get_sy(u32 header)
{
return (header & ISOC_HEADER_SY_MASK) >> ISOC_HEADER_SY_SHIFT;
}
static inline void isoc_header_set_data_length(u32 *header, unsigned int data_length)
{
*header &= ~ISOC_HEADER_DATA_LENGTH_MASK;
*header |= (((u32)data_length) << ISOC_HEADER_DATA_LENGTH_SHIFT) & ISOC_HEADER_DATA_LENGTH_MASK;
}
static inline void isoc_header_set_tag(u32 *header, unsigned int tag)
{
*header &= ~ISOC_HEADER_TAG_MASK;
*header |= (((u32)tag) << ISOC_HEADER_TAG_SHIFT) & ISOC_HEADER_TAG_MASK;
}
static inline void isoc_header_set_channel(u32 *header, unsigned int channel)
{
*header &= ~ISOC_HEADER_CHANNEL_MASK;
*header |= (((u32)channel) << ISOC_HEADER_CHANNEL_SHIFT) & ISOC_HEADER_CHANNEL_MASK;
}
static inline void isoc_header_set_tcode(u32 *header, unsigned int tcode)
{
*header &= ~ISOC_HEADER_TCODE_MASK;
*header |= (((u32)tcode) << ISOC_HEADER_TCODE_SHIFT) & ISOC_HEADER_TCODE_MASK;
}
static inline void isoc_header_set_sy(u32 *header, unsigned int sy)
{
*header &= ~ISOC_HEADER_SY_MASK;
*header |= (((u32)sy) << ISOC_HEADER_SY_SHIFT) & ISOC_HEADER_SY_MASK;
}
#endif // _FIREWIRE_PACKET_HEADER_DEFINITIONS_H
|
