Gitiles
Code Review Sign In
gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / be6eb2393131b3c0668df3f04868c56c3bb39702 / . / test / dm / tee.c
blob: 13e3f4003a7d918f32b36e137c7b4ae06bad923d [file] [log] [blame]
Jens Wiklandera6ab4242018-09-25 16:40:19 +0200[diff] [blame]1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2018 Linaro Limited
4 */
5
6#include <common.h>
7#include <dm.h>
8#include <dm/test.h>
9#include <sandboxtee.h>
10#include <tee.h>
11#include <test/ut.h>
12#include <tee/optee_ta_avb.h>
13
14static int open_session(struct udevice *dev, u32 *session)
15{
16 struct tee_open_session_arg arg;
17 const struct tee_optee_ta_uuid uuid = TA_AVB_UUID;
18 int rc;
19
20 memset(&arg, 0, sizeof(arg));
21 tee_optee_ta_uuid_to_octets(arg.uuid, &uuid);
22 rc = tee_open_session(dev, &arg, 0, NULL);
23 if (rc)
24 return rc;
25 if (arg.ret)
26 return -EIO;
27 *session = arg.session;
28
29 return 0;
30}
31
32static int invoke_func(struct udevice *dev, u32 session)
33{
34 struct tee_param param = { .attr = TEE_PARAM_ATTR_TYPE_VALUE_OUTPUT };
35 struct tee_invoke_arg arg;
36
37 memset(&arg, 0, sizeof(arg));
38 arg.session = session;
39 arg.func = TA_AVB_CMD_READ_LOCK_STATE;
40
41 if (tee_invoke_func(dev, &arg, 1, &param) || arg.ret)
42 return -1;
43
44 return 0;
45}
46
47static int match(struct tee_version_data *vers, const void *data)
48{
49 return vers->gen_caps & TEE_GEN_CAP_GP;
50}
51
52static int dm_test_tee(struct unit_test_state *uts)
53{
54 struct tee_version_data vers;
55 struct udevice *dev;
56 struct sandbox_tee_state *state;
57 u32 session = 0;
58 int rc;
59 u8 data[128];
60 struct tee_shm *reg_shm;
61 struct tee_shm *alloc_shm;
62
63 dev = tee_find_device(NULL, match, NULL, &vers);
64 ut_assert(dev);
65 state = dev_get_priv(dev);
66 ut_assert(!state->session);
67
68 rc = open_session(dev, &session);
69 ut_assert(!rc);
70 ut_assert(session == state->session);
71
72 rc = invoke_func(dev, session);
73 ut_assert(!rc);
74
75 rc = tee_close_session(dev, session);
76 ut_assert(!rc);
77 ut_assert(!state->session);
78
79 ut_assert(!state->num_shms);
80 rc = tee_shm_register(dev, data, sizeof(data), 0, &reg_shm);
81 ut_assert(!rc);
82 ut_assert(state->num_shms == 1);
83
84 rc = tee_shm_alloc(dev, 256, 0, &alloc_shm);
85 ut_assert(!rc);
86 ut_assert(state->num_shms == 2);
87
88 ut_assert(tee_shm_is_registered(reg_shm, dev));
89 ut_assert(tee_shm_is_registered(alloc_shm, dev));
90
91 tee_shm_free(reg_shm);
92 tee_shm_free(alloc_shm);
93 ut_assert(!state->num_shms);
94
95 return 0;
96}
97
98DM_TEST(dm_test_tee, DM_TESTF_SCAN_FDT);