1 /*
2 * Copyright (c) 2019-2021, Arm Limited. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 */
7
8 #include "psa/client.h"
9 #include "psa/internal_trusted_storage.h"
10 #include "psa_manifest/sid.h"
11 #include "tfm_its_defs.h"
12
psa_its_set(psa_storage_uid_t uid,size_t data_length,const void * p_data,psa_storage_create_flags_t create_flags)13 psa_status_t psa_its_set(psa_storage_uid_t uid,
14 size_t data_length,
15 const void *p_data,
16 psa_storage_create_flags_t create_flags)
17 {
18 psa_status_t status;
19
20 psa_invec in_vec[] = {
21 { .base = &uid, .len = sizeof(uid) },
22 { .base = p_data, .len = data_length },
23 { .base = &create_flags, .len = sizeof(create_flags) }
24 };
25
26 status = psa_call(TFM_INTERNAL_TRUSTED_STORAGE_SERVICE_HANDLE, TFM_ITS_SET,
27 in_vec, IOVEC_LEN(in_vec), NULL, 0);
28
29 return status;
30 }
31
psa_its_get(psa_storage_uid_t uid,size_t data_offset,size_t data_size,void * p_data,size_t * p_data_length)32 psa_status_t psa_its_get(psa_storage_uid_t uid,
33 size_t data_offset,
34 size_t data_size,
35 void *p_data,
36 size_t *p_data_length)
37 {
38 psa_status_t status;
39
40 psa_invec in_vec[] = {
41 { .base = &uid, .len = sizeof(uid) },
42 { .base = &data_offset, .len = sizeof(data_offset) }
43 };
44
45 psa_outvec out_vec[] = {
46 { .base = p_data, .len = data_size }
47 };
48
49 if (p_data_length == NULL) {
50 return PSA_ERROR_INVALID_ARGUMENT;
51 }
52
53 status = psa_call(TFM_INTERNAL_TRUSTED_STORAGE_SERVICE_HANDLE, TFM_ITS_GET,
54 in_vec, IOVEC_LEN(in_vec), out_vec, IOVEC_LEN(out_vec));
55
56 *p_data_length = out_vec[0].len;
57
58 return status;
59 }
60
psa_its_get_info(psa_storage_uid_t uid,struct psa_storage_info_t * p_info)61 psa_status_t psa_its_get_info(psa_storage_uid_t uid,
62 struct psa_storage_info_t *p_info)
63 {
64 psa_status_t status;
65
66 psa_invec in_vec[] = {
67 { .base = &uid, .len = sizeof(uid) }
68 };
69
70 psa_outvec out_vec[] = {
71 { .base = p_info, .len = sizeof(*p_info) }
72 };
73
74 status = psa_call(TFM_INTERNAL_TRUSTED_STORAGE_SERVICE_HANDLE,
75 TFM_ITS_GET_INFO, in_vec, IOVEC_LEN(in_vec), out_vec,
76 IOVEC_LEN(out_vec));
77
78 return status;
79 }
80
psa_its_remove(psa_storage_uid_t uid)81 psa_status_t psa_its_remove(psa_storage_uid_t uid)
82 {
83 psa_status_t status;
84
85 psa_invec in_vec[] = {
86 { .base = &uid, .len = sizeof(uid) }
87 };
88
89 status = psa_call(TFM_INTERNAL_TRUSTED_STORAGE_SERVICE_HANDLE,
90 TFM_ITS_REMOVE, in_vec, IOVEC_LEN(in_vec), NULL, 0);
91
92 return status;
93 }
94
