Home Home > GIT Browse
summaryrefslogtreecommitdiff
blob: 7bd22ee1afbb1d56a2a71e9c86cd86b3ad5bfc43 (plain)
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
#ifndef IEEE1394_RAW1394_H
#define IEEE1394_RAW1394_H

/* header for the raw1394 API that is exported to user-space */

#define RAW1394_KERNELAPI_VERSION 4

/* state: opened */
#define RAW1394_REQ_INITIALIZE    1

/* state: initialized */
#define RAW1394_REQ_LIST_CARDS    2
#define RAW1394_REQ_SET_CARD      3

/* state: connected */
#define RAW1394_REQ_ASYNC_READ      100
#define RAW1394_REQ_ASYNC_WRITE     101
#define RAW1394_REQ_LOCK            102
#define RAW1394_REQ_LOCK64          103
#define RAW1394_REQ_ISO_SEND        104
#define RAW1394_REQ_ASYNC_SEND      105
#define RAW1394_REQ_ASYNC_STREAM    106

#define RAW1394_REQ_ISO_LISTEN      200
#define RAW1394_REQ_FCP_LISTEN      201
#define RAW1394_REQ_RESET_BUS       202
#define RAW1394_REQ_GET_ROM         203
#define RAW1394_REQ_UPDATE_ROM      204
#define RAW1394_REQ_ECHO            205
#define RAW1394_REQ_MODIFY_ROM      206

#define RAW1394_REQ_ARM_REGISTER    300
#define RAW1394_REQ_ARM_UNREGISTER  301
#define RAW1394_REQ_ARM_SET_BUF     302
#define RAW1394_REQ_ARM_GET_BUF     303

#define RAW1394_REQ_RESET_NOTIFY    400

#define RAW1394_REQ_PHYPACKET       500

/* kernel to user */
#define RAW1394_REQ_BUS_RESET        10000
#define RAW1394_REQ_ISO_RECEIVE      10001
#define RAW1394_REQ_FCP_REQUEST      10002
#define RAW1394_REQ_ARM              10003
#define RAW1394_REQ_RAWISO_ACTIVITY  10004

/* error codes */
#define RAW1394_ERROR_NONE        0
#define RAW1394_ERROR_COMPAT      (-1001)
#define RAW1394_ERROR_STATE_ORDER (-1002)
#define RAW1394_ERROR_GENERATION  (-1003)
#define RAW1394_ERROR_INVALID_ARG (-1004)
#define RAW1394_ERROR_MEMFAULT    (-1005)
#define RAW1394_ERROR_ALREADY     (-1006)

#define RAW1394_ERROR_EXCESSIVE   (-1020)
#define RAW1394_ERROR_UNTIDY_LEN  (-1021)

#define RAW1394_ERROR_SEND_ERROR  (-1100)
#define RAW1394_ERROR_ABORTED     (-1101)
#define RAW1394_ERROR_TIMEOUT     (-1102)

/* arm_codes */
#define ARM_READ   1
#define ARM_WRITE  2
#define ARM_LOCK   4

#define RAW1394_LONG_RESET  0
#define RAW1394_SHORT_RESET 1

/* busresetnotify ... */
#define RAW1394_NOTIFY_OFF 0
#define RAW1394_NOTIFY_ON  1

#include <asm/types.h>

struct raw1394_request {
        __u32 type;
        __s32 error;
        __u32 misc;

        __u32 generation;
        __u32 length;

        __u64 address;

        __u64 tag;

        __u64 sendb;
        __u64 recvb;
};

struct raw1394_khost_list {
        __u32 nodes;
        __u8 name[32];
};

typedef struct arm_request {
        __u16           destination_nodeid;
        __u16           source_nodeid;
        __u64           destination_offset;
        __u8            tlabel;
        __u8            tcode;
        __u8            extended_transaction_code;
        __u32           generation;
        __u16           buffer_length;
        __u8            __user *buffer;
} *arm_request_t;

typedef struct arm_response {
        __s32           response_code;
        __u16           buffer_length;
        __u8            __user *buffer;
} *arm_response_t;

typedef struct arm_request_response {
        struct arm_request  __user *request;
        struct arm_response __user *response;
} *arm_request_response_t;

/* rawiso API */
#include "ieee1394-ioctl.h"

/* per-packet metadata embedded in the ringbuffer */
/* must be identical to hpsb_iso_packet_info in iso.h! */
struct raw1394_iso_packet_info {
	__u32 offset;
	__u16 len;
	__u16 cycle;   /* recv only */
	__u8  channel; /* recv only */
	__u8  tag;
	__u8  sy;
};

/* argument for RAW1394_ISO_RECV/XMIT_PACKETS ioctls */
struct raw1394_iso_packets {
	__u32 n_packets;
	struct raw1394_iso_packet_info __user *infos;
};

struct raw1394_iso_config {
	/* size of packet data buffer, in bytes (will be rounded up to PAGE_SIZE) */
	__u32 data_buf_size;

	/* # of packets to buffer */
	__u32 buf_packets;

	/* iso channel (set to -1 for multi-channel recv) */
	__s32 channel;

	/* xmit only - iso transmission speed */
	__u8 speed;

	/* The mode of the dma when receiving iso data. Must be supported by chip */
	__u8 dma_mode;

	/* max. latency of buffer, in packets (-1 if you don't care) */
	__s32 irq_interval;
};

/* argument to RAW1394_ISO_XMIT/RECV_INIT and RAW1394_ISO_GET_STATUS */
struct raw1394_iso_status {
	/* current settings */
	struct raw1394_iso_config config;

	/* number of packets waiting to be filled with data (ISO transmission)
	   or containing data received (ISO reception) */
	__u32 n_packets;

	/* approximate number of packets dropped due to overflow or
	   underflow of the packet buffer (a value of zero guarantees
	   that no packets have been dropped) */
	__u32 overflows;

	/* cycle number at which next packet will be transmitted;
	   -1 if not known */
	__s16 xmit_cycle;
};

/* argument to RAW1394_IOC_GET_CYCLE_TIMER ioctl */
struct raw1394_cycle_timer {
	/* contents of Isochronous Cycle Timer register,
	   as in OHCI 1.1 clause 5.13 (also with non-OHCI hosts) */
	__u32 cycle_timer;

	/* local time in microseconds since Epoch,
	   simultaneously read with cycle timer */
	__u64 local_time;
};
#endif /* IEEE1394_RAW1394_H */