1 /*
2 * Copyright (c) 2012-2013, Texas Instruments Incorporated
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 * ======== TransportShmNotifySetup.c ========
34 */
36 #include <xdc/std.h>
37 #include <xdc/runtime/Assert.h>
38 #include <xdc/runtime/Error.h>
40 #include <ti/sdo/ipc/transports/TransportShmNotify.h>
42 #include "package/internal/TransportShmNotifySetup.xdc.h"
44 #include <ti/sdo/ipc/_MessageQ.h>
45 #include <ti/sdo/ipc/_Notify.h>
46 #include <ti/sdo/utils/_MultiProc.h>
48 /*
49 * ======== TransportShmNotifySetup_attach ========
50 */
51 Int TransportShmNotifySetup_attach(UInt16 remoteProcId, Ptr sharedAddr)
52 {
53 TransportShmNotify_Handle handle;
54 TransportShmNotify_Params params;
55 Int status = MessageQ_E_FAIL;
56 Error_Block eb;
58 Error_init(&eb);
60 /* init the transport parameters */
61 TransportShmNotify_Params_init(¶ms);
62 params.priority = TransportShmNotifySetup_priority;
64 /* make sure notify driver has been created */
65 if (Notify_intLineRegistered(remoteProcId, 0)) {
66 handle = TransportShmNotify_create(remoteProcId, ¶ms, &eb);
68 if (handle != NULL) {
69 TransportShmNotifySetup_module->handles[remoteProcId] = handle;
70 status = MessageQ_S_SUCCESS;
71 }
72 }
74 return (status);
75 }
77 /*
78 * ======== TransportShmNotifySetup_detach ========
79 */
80 Int TransportShmNotifySetup_detach(UInt16 remoteProcId)
81 {
82 TransportShmNotify_Handle handle;
84 handle = TransportShmNotifySetup_module->handles[remoteProcId];
86 /* Trying to detach an un-attached processor should fail */
87 if (handle == NULL) {
88 return (MessageQ_E_FAIL);
89 }
91 /* Unregister the instance */
92 TransportShmNotifySetup_module->handles[remoteProcId] = NULL;
94 TransportShmNotify_delete(&handle);
96 return (MessageQ_S_SUCCESS);
97 }
99 /*
100 * ======== TransportShmNotifySetup_isRegistered ========
101 */
102 Bool TransportShmNotifySetup_isRegistered(UInt16 remoteProcId)
103 {
104 Bool registered;
106 registered = (TransportShmNotifySetup_module->handles[remoteProcId] != NULL);
108 return (registered);
109 }
111 /*
112 * ======== TransportShmNotifySetup_sharedMemReq ========
113 */
114 SizeT TransportShmNotifySetup_sharedMemReq(Ptr sharedAddr)
115 {
116 return (0);
117 }