summaryrefslogtreecommitdiff
path: root/plat/freescale/common/include/sci/ipc.h
blob: d9ad74b2a4ac38ddf6bfde14c477fad922e402d6 (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
/*
 * Copyright 2017 NXP
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of NXP nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*!
 * Header file for the IPC implementation.
 */

#ifndef _SC_IPC_H
#define _SC_IPC_H

/* Includes */

#include <sci/types.h>

/* Defines */

/* Types */

/* Functions */

/*!
 * This function opens an IPC channel.
 *
 * @param[out]    ipc         return pointer for ipc handle
 * @param[in]     id          id of channel to open
 *
 * @return Returns an error code (SC_ERR_NONE = success, SC_ERR_IPC
 *         otherwise).
 *
 * The \a id parameter is implementation specific. Could be an MU
 * address, pointer to a driver path, channel index, etc.
 */
sc_err_t sc_ipc_open(sc_ipc_t *ipc, sc_ipc_id_t id);

/*!
 * This function closes an IPC channel.
 *
 * @param[in]     ipc         id of channel to close
 */
void sc_ipc_close(sc_ipc_t ipc);

/*!
 * This function reads a message from an IPC channel.
 *
 * @param[in]     ipc         id of channel read from
 * @param[out]    data        pointer to message buffer to read
 *
 * This function will block if no message is available to be read.
 */
void sc_ipc_read(sc_ipc_t ipc, void *data);

/*!
 * This function writes a message to an IPC channel.
 *
 * @param[in]     ipc         id of channel to write to
 * @param[in]     data        pointer to message buffer to write
 *
 * This function will block if the outgoing buffer is full.
 */
void sc_ipc_write(sc_ipc_t ipc, void *data);

#endif /* _SC_IPC_H */