29 typedef enum tfm_platform_err_t (*plat_func_t)(const psa_msg_t *msg);
42 static psa_status_t platform_sp_system_reset_psa_api(const psa_msg_t *msg)
44     (void)msg; /* unused parameter */
83 static psa_status_t platform_sp_nv_read_psa_api(const psa_msg_t *msg)  in platform_sp_nv_read_psa_api()  argument
92     while ((in_len > 0) && (msg->in_size[in_len - 1] == 0)) {  in platform_sp_nv_read_psa_api()
97     while ((out_len > 0) && (msg->out_size[out_len - 1] == 0)) {  in platform_sp_nv_read_psa_api()
101     if (msg->in_size[0] != NV_COUNTER_ID_SIZE ||  in platform_sp_nv_read_psa_api()
102         msg->out_size[0] > NV_COUNTER_SIZE ||  in platform_sp_nv_read_psa_api()
107     num = psa_read(msg->handle, 0, &counter_id, msg->in_size[0]);  in platform_sp_nv_read_psa_api()
112     if (msg->client_id < 0) {  in platform_sp_nv_read_psa_api()
116     if (nv_counter_permissions_check(msg->client_id, counter_id, true)  in platform_sp_nv_read_psa_api()
121     err = tfm_plat_read_nv_counter(counter_id,  msg->out_size[0],  in platform_sp_nv_read_psa_api()
128     psa_write(msg->handle, 0, counter_val, msg->out_size[0]);  in platform_sp_nv_read_psa_api()
133 static psa_status_t platform_sp_nv_increment_psa_api(const psa_msg_t *msg)  in platform_sp_nv_increment_psa_api()  argument
141     while ((in_len > 0) && (msg->in_size[in_len - 1] == 0)) {  in platform_sp_nv_increment_psa_api()
146     while ((out_len > 0) && (msg->out_size[out_len - 1] == 0)) {  in platform_sp_nv_increment_psa_api()
150     if (msg->in_size[0] != NV_COUNTER_ID_SIZE ||  in platform_sp_nv_increment_psa_api()
155     num = psa_read(msg->handle, 0, &counter_id, msg->in_size[0]);  in platform_sp_nv_increment_psa_api()
160     if (msg->client_id < 0) {  in platform_sp_nv_increment_psa_api()
164     if (nv_counter_permissions_check(msg->client_id, counter_id, false)  in platform_sp_nv_increment_psa_api()
179 static psa_status_t platform_sp_ioctl_psa_api(const psa_msg_t *msg)  in platform_sp_ioctl_psa_api()  argument
194     while ((in_len > 0) && (msg->in_size[in_len - 1] == 0)) {  in platform_sp_ioctl_psa_api()
198     while ((out_len > 0) && (msg->out_size[out_len - 1] == 0)) {  in platform_sp_ioctl_psa_api()
207     num = psa_read(msg->handle, 0, &request, sizeof(request));  in platform_sp_ioctl_psa_api()
213         input_size = msg->in_size[1];  in platform_sp_ioctl_psa_api()
217         num = psa_read(msg->handle, 1, &input_buffer, msg->in_size[1]);  in platform_sp_ioctl_psa_api()
227         if (msg->out_size[0] > PLATFORM_SERVICE_OUTPUT_BUFFER_SIZE) {  in platform_sp_ioctl_psa_api()
231         outvec.len = msg->out_size[0];  in platform_sp_ioctl_psa_api()
238         psa_write(msg->handle, 0, outvec.base, outvec.len);  in platform_sp_ioctl_psa_api()
244 psa_status_t tfm_platform_service_sfn(const psa_msg_t *msg)  in tfm_platform_service_sfn()  argument
246     switch (msg->type) {  in tfm_platform_service_sfn()
249         return platform_sp_nv_read_psa_api(msg);  in tfm_platform_service_sfn()
251         return platform_sp_nv_increment_psa_api(msg);  in tfm_platform_service_sfn()
254         return platform_sp_system_reset_psa_api(msg);  in tfm_platform_service_sfn()
256         return platform_sp_ioctl_psa_api(msg);  in tfm_platform_service_sfn()