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
|
// Copyright (C) 2018-2019 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
//
///
/// @file
///
/// @brief Application configuration Leon header
///
#ifndef _XLINKPRIVATEDEFINES_H
#define _XLINKPRIVATEDEFINES_H
#ifdef _XLINK_ENABLE_PRIVATE_INCLUDE_
#include <stdint.h>
#if (defined(_WIN32) || defined(_WIN64))
#include "win_semaphore.h"
#else
#include <semaphore.h>
#endif
#include <XLinkPublicDefines.h>
#include "XLinkPlatform.h"
#ifdef __cplusplus
extern "C"
{
#endif
#define MAX_NAME_LENGTH 16
#ifdef USE_USB_VSC
#define HEADER_SIZE (64-12 -8)
#else
#define HEADER_SIZE (64-12 -8)
#endif
#define MAXIMUM_SEMAPHORES 32
#define __CACHE_LINE_SIZE 64
#ifdef NDEBUG // Release configuration
#ifndef __PC__
#define ASSERT_X_LINK(x) if(!(x)) { exit(EXIT_FAILURE); }
#define ASSERT_X_LINK_R(x, r) ASSERT_X_LINK(x)
#else
#define ASSERT_X_LINK(x) if(!(x)) { return X_LINK_ERROR; }
#define ASSERT_X_LINK_R(x, r) if(!(x)) { return r; }
#endif
#else // Debug configuration
#ifndef __PC__
#define ASSERT_X_LINK(x) if(!(x)) { fprintf(stderr, "%s:%d:\n Assertion Failed: %s\n", __FILE__, __LINE__, #x); exit(EXIT_FAILURE); }
#define ASSERT_X_LINK_R(x, r) ASSERT_X_LINK(x)
#else
#define ASSERT_X_LINK(x) if(!(x)) { fprintf(stderr, "%s:%d:\n Assertion Failed: %s\n", __FILE__, __LINE__, #x); return X_LINK_ERROR; }
#define ASSERT_X_LINK_R(x, r) if(!(x)) { fprintf(stderr, "%s:%d:\n Assertion Failed: %s\n", __FILE__, __LINE__, #x); return r; }
#endif
#endif // NDEBUG
#ifndef CHECK_MUTEX_SUCCESS
#define CHECK_MUTEX_SUCCESS(call) { \
int error; \
if ((error = (call))) { \
mvLog(MVLOG_ERROR, "%s failed with error: %d", #call, error); \
} \
}
#endif // CHECK_MUTEX_SUCCESS
#ifndef CHECK_MUTEX_SUCCESS_RC
#define CHECK_MUTEX_SUCCESS_RC(call, rc) { \
int error; \
if ((error = (call))) { \
mvLog(MVLOG_ERROR, "%s failed with error: %d", #call, error); \
return rc; \
} \
}
#endif // CHECK_MUTEX_SUCCESS_RC
typedef int32_t eventId_t;
/**
* @brief State for xLinkDesc_t
*/
typedef enum {
XLINK_NOT_INIT,
XLINK_UP,
XLINK_DOWN,
} xLinkState_t;
/**
* @brief Streams opened to device
*/
typedef struct{
char name[MAX_NAME_LENGTH];
streamId_t id;
void* fd;
uint32_t writeSize;
uint32_t readSize; /*No need of read buffer. It's on remote,
will read it directly to the requested buffer*/
streamPacketDesc_t packets[XLINK_MAX_PACKETS_PER_STREAM];
uint32_t availablePackets;
uint32_t blockedPackets;
uint32_t firstPacket;
uint32_t firstPacketUnused;
uint32_t firstPacketFree;
uint32_t remoteFillLevel;
uint32_t localFillLevel;
uint32_t remoteFillPacketLevel;
uint32_t closeStreamInitiated;
sem_t sem;
} streamDesc_t;
/**
* @brief XLink primitive for each device
*/
typedef struct xLinkDesc_t {
// Incremental number, doesn't get decremented.
int nextUniqueStreamId;
streamDesc_t availableStreams[XLINK_MAX_STREAMS];
xLinkState_t peerState;
void* fd;
linkId_t id;
} xLinkDesc_t;
//events which are coming from remote
typedef enum
{
/*USB-PCIE related events*/
XLINK_WRITE_REQ,
XLINK_READ_REQ,
XLINK_READ_REL_REQ,
XLINK_CREATE_STREAM_REQ,
XLINK_CLOSE_STREAM_REQ,
XLINK_PING_REQ,
XLINK_RESET_REQ,
XLINK_REQUEST_LAST,
//note that is important to separate request and response
XLINK_WRITE_RESP,
XLINK_READ_RESP,
XLINK_READ_REL_RESP,
XLINK_CREATE_STREAM_RESP,
XLINK_CLOSE_STREAM_RESP,
XLINK_PING_RESP,
XLINK_RESET_RESP,
XLINK_RESP_LAST,
/*IPC related events*/
IPC_WRITE_REQ,
IPC_READ_REQ,
IPC_CREATE_STREAM_REQ,
IPC_CLOSE_STREAM_REQ,
//
IPC_WRITE_RESP,
IPC_READ_RESP,
IPC_CREATE_STREAM_RESP,
IPC_CLOSE_STREAM_RESP,
} xLinkEventType_t;
typedef enum
{
EVENT_LOCAL,
EVENT_REMOTE,
} xLinkEventOrigin_t;
#define MAX_EVENTS 64
#define MAX_SCHEDULERS MAX_LINKS
typedef struct xLinkEventHeader_t{
eventId_t id;
xLinkEventType_t type;
char streamName[MAX_NAME_LENGTH];
streamId_t streamId;
uint32_t size;
union{
uint32_t raw;
struct{
uint32_t ack : 1;
uint32_t nack : 1;
uint32_t block : 1;
uint32_t localServe : 1;
uint32_t terminate : 1;
uint32_t bufferFull : 1;
uint32_t sizeTooBig : 1;
uint32_t noSuchStream : 1;
}bitField;
}flags;
}xLinkEventHeader_t;
typedef struct xLinkEvent_t {
xLinkEventHeader_t header;
void* xLinkFD;
void* data;
}xLinkEvent_t;
int XLinkWaitSem(sem_t* sem);
int XLinkWaitSemUserMode(sem_t* sem, unsigned int timeout);
const char* XLinkErrorToStr(XLinkError_t rc);
#ifdef __cplusplus
}
#endif
#endif /*_XLINK_ENABLE_PRIVATE_INCLUDE_ end*/
#endif
/* end of include file */
|
