1 /*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, 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
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24
25 #include <trusty/avb.h>
26 #include <trusty/keymaster.h>
27 #include <trusty/rpmb.h>
28 #include <trusty/trusty_dev.h>
29 #include <trusty/trusty_ipc.h>
30 #include <trusty/util.h>
31
32 #define LOCAL_LOG 0
33
34 typedef uintptr_t vaddr_t;
35
36 static struct trusty_ipc_dev* _ipc_dev;
37 static struct trusty_dev _tdev; /* There should only be one trusty device */
38 static void* rpmb_ctx;
39
trusty_ipc_shutdown(void)40 void trusty_ipc_shutdown(void) {
41 (void)rpmb_storage_proxy_shutdown(_ipc_dev);
42 (void)rpmb_storage_put_ctx(rpmb_ctx);
43
44 (void)avb_tipc_shutdown(_ipc_dev);
45 (void)km_tipc_shutdown(_ipc_dev);
46
47 /* shutdown Trusty IPC device */
48 (void)trusty_ipc_dev_shutdown(_ipc_dev);
49
50 /* shutdown Trusty device */
51 (void)trusty_dev_shutdown(&_tdev);
52 }
53
trusty_ipc_init(void)54 int trusty_ipc_init(void) {
55 int rc;
56 /* init Trusty device */
57 trusty_info("Initializing Trusty device\n");
58 rc = trusty_dev_init(&_tdev, NULL);
59 if (rc != 0) {
60 trusty_error("Initializing Trusty device failed (%d)\n", rc);
61 return rc;
62 }
63
64 /* create Trusty IPC device */
65 trusty_info("Initializing Trusty IPC device\n");
66 rc = trusty_ipc_dev_create(&_ipc_dev, &_tdev, PAGE_SIZE);
67 if (rc != 0) {
68 trusty_error("Initializing Trusty IPC device failed (%d)\n", rc);
69 return rc;
70 }
71
72 /* get storage rpmb */
73 rpmb_ctx = rpmb_storage_get_ctx();
74
75 /* start secure storage proxy service */
76 trusty_info("Initializing RPMB storage proxy service\n");
77 rc = rpmb_storage_proxy_init(_ipc_dev, rpmb_ctx);
78 if (rc != 0) {
79 trusty_error("Initlializing RPMB storage proxy service failed (%d)\n",
80 rc);
81 return rc;
82 }
83
84 trusty_info("Initializing Trusty AVB client\n");
85 rc = avb_tipc_init(_ipc_dev);
86 if (rc != 0) {
87 trusty_error("Initlializing Trusty AVB client failed (%d)\n", rc);
88 return rc;
89 }
90
91 trusty_info("Initializing Trusty Keymaster client\n");
92 rc = km_tipc_init(_ipc_dev);
93 if (rc != 0) {
94 trusty_error("Initlializing Trusty Keymaster client failed (%d)\n", rc);
95 return rc;
96 }
97
98 return TRUSTY_ERR_NONE;
99 }
100