1 /*
2 * Copyright (c) 2012-2015 Texas Instruments Incorporated - http://www.ti.com
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * * Neither the name of Texas Instruments Incorporated nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 /*
33 * ======== TransportRpmsgSetup.c ========
34 */
36 #include <xdc/std.h>
37 #include <xdc/runtime/System.h>
38 #include <xdc/runtime/Assert.h>
39 #include <xdc/runtime/Error.h>
40 #include <xdc/runtime/Log.h>
41 #include <xdc/runtime/Diags.h>
43 #include <ti/ipc/transports/TransportRpmsg.h>
45 #include "package/internal/TransportRpmsgSetup.xdc.h"
47 #include <ti/sdo/ipc/_MessageQ.h>
48 #include <ti/sdo/utils/_MultiProc.h>
50 /*
51 * ======== TransportRpmsgSetup_attach ========
52 */
53 Int TransportRpmsgSetup_attach(UInt16 procId, Ptr sharedAddr)
54 {
55 TransportRpmsg_Handle handle;
56 TransportRpmsg_Params params;
57 Int status = MessageQ_E_FAIL;
58 Error_Block eb;
59 Int index;
61 Log_print1(Diags_INFO, "TransportRpmsgSetup_attach: procId=%d", procId);
63 Error_init(&eb);
65 /* procId is always in cluster */
66 index = ti_sdo_utils_MultiProc_getClusterId(procId);
68 /* init the transport parameters */
69 TransportRpmsg_Params_init(¶ms);
70 params.sharedAddr = sharedAddr; /* Not used yet */
72 handle = TransportRpmsg_create(procId, ¶ms, &eb);
74 if (handle != NULL) {
75 TransportRpmsgSetup_module->handles[index] = handle;
76 status = MessageQ_S_SUCCESS;
77 }
79 return (status);
80 }
82 /*
83 * ======== TransportRpmsgSetup_detach ========
84 */
85 Int TransportRpmsgSetup_detach(UInt16 procId)
86 {
87 TransportRpmsg_Handle handle;
88 Int index;
90 Log_print1(Diags_INFO, "TransportRpmsgSetup_detach: procId=%d", procId);
92 /* procId is always in cluster */
93 index = ti_sdo_utils_MultiProc_getClusterId(procId);
94 handle = TransportRpmsgSetup_module->handles[index];
96 /* Trying to detach an un-attached processor should fail */
97 if (handle == NULL) {
98 return (MessageQ_E_FAIL);
99 }
101 /* Unregister the instance */
102 TransportRpmsgSetup_module->handles[index] = NULL;
104 TransportRpmsg_delete(&handle);
106 return (MessageQ_S_SUCCESS);
107 }
109 /*
110 * ======== TransportRpmsgSetup_isRegistered ========
111 */
112 Bool TransportRpmsgSetup_isRegistered(UInt16 procId)
113 {
114 Bool registered;
115 Int index;
117 /* procId is always in cluster */
118 index = ti_sdo_utils_MultiProc_getClusterId(procId);
119 registered = (TransportRpmsgSetup_module->handles[index] != NULL);
121 return (registered);
122 }
124 /*
125 * ======== TransportRpmsgSetup_sharedMemReq ========
126 */
127 SizeT TransportRpmsgSetup_sharedMemReq(Ptr sharedAddr)
128 {
129 return (0);
130 }