1 /*
2 * Copyright (c) 2019-2022, Arm Limited. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 */
7
8 #include <stdbool.h>
9 #include "tfm_platform_api.h"
10 #include "psa/client.h"
11 #include "psa_manifest/sid.h"
12
tfm_platform_system_reset(void)13 enum tfm_platform_err_t tfm_platform_system_reset(void)
14 {
15 psa_status_t status = PSA_ERROR_CONNECTION_REFUSED;
16
17 status = psa_call(TFM_PLATFORM_SERVICE_HANDLE,
18 TFM_PLATFORM_API_ID_SYSTEM_RESET,
19 NULL, 0, NULL, 0);
20
21 if (status < PSA_SUCCESS) {
22 return TFM_PLATFORM_ERR_SYSTEM_ERROR;
23 } else {
24 return (enum tfm_platform_err_t)status;
25 }
26
27 }
28
29 enum tfm_platform_err_t
tfm_platform_ioctl(tfm_platform_ioctl_req_t request,psa_invec * input,psa_outvec * output)30 tfm_platform_ioctl(tfm_platform_ioctl_req_t request,
31 psa_invec *input, psa_outvec *output)
32 {
33 tfm_platform_ioctl_req_t req = request;
34 struct psa_invec in_vec[2] = { {0} };
35 size_t inlen, outlen;
36 psa_status_t status = PSA_ERROR_CONNECTION_REFUSED;
37
38 in_vec[0].base = &req;
39 in_vec[0].len = sizeof(req);
40 if (input != NULL) {
41 in_vec[1].base = input->base;
42 in_vec[1].len = input->len;
43 inlen = 2;
44 } else {
45 inlen = 1;
46 }
47
48 if (output != NULL) {
49 outlen = 1;
50 } else {
51 outlen = 0;
52 }
53
54 status = psa_call(TFM_PLATFORM_SERVICE_HANDLE,
55 TFM_PLATFORM_API_ID_IOCTL,
56 in_vec, inlen,
57 output, outlen);
58
59 if (status < PSA_SUCCESS) {
60 return TFM_PLATFORM_ERR_SYSTEM_ERROR;
61 } else {
62 return (enum tfm_platform_err_t)status;
63 }
64 }
65
66 enum tfm_platform_err_t
tfm_platform_nv_counter_increment(uint32_t counter_id)67 tfm_platform_nv_counter_increment(uint32_t counter_id)
68 {
69 psa_status_t status = PSA_ERROR_CONNECTION_REFUSED;
70 struct psa_invec in_vec[1];
71
72 in_vec[0].base = &counter_id;
73 in_vec[0].len = sizeof(counter_id);
74
75 status = psa_call(TFM_PLATFORM_SERVICE_HANDLE,
76 TFM_PLATFORM_API_ID_NV_INCREMENT,
77 in_vec, 1, (psa_outvec *)NULL, 0);
78
79 if (status < PSA_SUCCESS) {
80 return TFM_PLATFORM_ERR_SYSTEM_ERROR;
81 } else {
82 return (enum tfm_platform_err_t)status;
83 }
84 }
85
86 enum tfm_platform_err_t
tfm_platform_nv_counter_read(uint32_t counter_id,uint32_t size,uint8_t * val)87 tfm_platform_nv_counter_read(uint32_t counter_id,
88 uint32_t size, uint8_t *val)
89 {
90 psa_status_t status = PSA_ERROR_CONNECTION_REFUSED;
91 struct psa_invec in_vec[1];
92 struct psa_outvec out_vec[1];
93
94 in_vec[0].base = &counter_id;
95 in_vec[0].len = sizeof(counter_id);
96
97 out_vec[0].base = val;
98 out_vec[0].len = size;
99
100 status = psa_call(TFM_PLATFORM_SERVICE_HANDLE,
101 TFM_PLATFORM_API_ID_NV_READ,
102 in_vec, 1, out_vec, 1);
103
104 if (status < PSA_SUCCESS) {
105 return TFM_PLATFORM_ERR_SYSTEM_ERROR;
106 } else {
107 return (enum tfm_platform_err_t)status;
108 }
109 }
110
