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1 /** @file
2  * Copyright (c) 2018-2020, Arm Limited or its affiliates. All rights reserved.
3  * SPDX-License-Identifier : Apache-2.0
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16 **/
18 #ifndef _PAL_CLIENT_API_H_
19 #define _PAL_CLIENT_API_H_
21 #include "pal_common.h"
23 #define PSA_VERSION_NONE (0)
25 #define PSA_CONNECTION_BUSY (INT32_MIN + 2)
27 #define PSA_NULL_HANDLE ((psa_handle_t)0)
29 typedef int32_t psa_status_t;
30 typedef int32_t psa_handle_t;
32 typedef struct psa_invec {
33  const void *base;
34  size_t len;
35 } psa_invec;
37 typedef struct psa_outvec {
38  void *base;
39  size_t len;
40 } psa_outvec;
42 uint32_t psa_framework_version(void);
43 uint32_t psa_version(uint32_t sid);
44 psa_handle_t psa_connect(uint32_t sid, uint32_t minor_version);
45 psa_status_t psa_call(psa_handle_t handle,
46  const psa_invec *in_vec,
47  size_t in_len,
48  psa_outvec *out_vec,
49  size_t out_len);
50 void psa_close(psa_handle_t handle);
52 uint32_t pal_ipc_framework_version(void);
53 uint32_t pal_ipc_version(uint32_t sid);
54 psa_handle_t pal_ipc_connect(uint32_t sid, uint32_t minor_version);
55 psa_status_t pal_ipc_call(psa_handle_t handle,
56  const psa_invec *in_vec,
57  size_t in_len,
58  psa_outvec *out_vec,
59  size_t out_len);
60 void pal_ipc_close(psa_handle_t handle);
61 #endif /* _PAL_CLIENT_API_H_ */
Copyright (c) 2018, Arm Limited or its affiliates.
size_t len
Length in bytes of the buffer.
uint32_t pal_ipc_version(uint32_t sid)
Retrieve the minor version of a Root of Trust Service by its SID.
psa_handle_t pal_ipc_connect(uint32_t sid, uint32_t minor_version)
Connect to given sid.
const void * base
Starting address of the buffer.
void pal_ipc_close(psa_handle_t handle)
Close a connection to a Root of Trust Service.
A writable output memory region provided to an RoT Service.
A read-only input memory region provided to an RoT Service.
psa_status_t pal_ipc_call(psa_handle_t handle, const psa_invec *in_vec, size_t in_len, psa_outvec *out_vec, size_t out_len)
Call a connected Root of Trust Service.
int32_t psa_status_t
Function return status.
uint32_t pal_ipc_framework_version(void)
Retrieve the version of the PSA Framework API that is implemented.
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