xref: /aosp_15_r20/trusty/kernel/lib/trusty/tipc_config.c (revision 344aa361028b423587d4ef3fa52a23d194628137)
1 /*
2  * Copyright (c) 2014-2015, Google, Inc. All rights reserved
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining
5  * a copy of this software and associated documentation files
6  * (the "Software"), to deal in the Software without restriction,
7  * including without limitation the rights to use, copy, modify, merge,
8  * publish, distribute, sublicense, and/or sell copies of the Software,
9  * and to permit persons to whom the Software is furnished to do so,
10  * subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be
13  * included in all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22  */
23 
24 #include <assert.h>
25 #include <err.h>
26 #include <trace.h>
27 
28 #include <lib/trusty/tipc_virtio_dev.h>
29 #include <lk/init.h>
30 
31 #include "trusty_virtio.h"
32 
33 /* Default TIPC device (/dev/trusty-ipc-dev0) */
34 DECLARE_TIPC_DEVICE_DESCR(_descr0, 0, 32, 32, "dev0");
35 
tipc_init(struct trusty_virtio_bus * vb)36 static status_t tipc_init(struct trusty_virtio_bus* vb) {
37     status_t res;
38 
39     res = create_tipc_device(vb, &_descr0, sizeof(_descr0), &zero_uuid, NULL);
40     if (res != NO_ERROR) {
41         TRACEF("WARNING: failed (%d) to register tipc device\n", res);
42     }
43     return res;
44 }
45 
register_tipc_init(uint level)46 static void register_tipc_init(uint level) {
47     static struct trusty_virtio_bus_notifier vb_notifier = {
48             .on_create = tipc_init,
49     };
50     trusty_virtio_register_bus_notifier(&vb_notifier);
51 }
52 
53 LK_INIT_HOOK_FLAGS(register_tipc_init,
54                    register_tipc_init,
55                    LK_INIT_LEVEL_APPS - 2,
56                    LK_INIT_FLAG_PRIMARY_CPU);
57