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pal_interfaces_ns.h
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1 /** @file
2  * Copyright (c) 2018-2019, 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 **/
17 #ifndef _PAL_INTERFACES_NS_H_
18 #define _PAL_INTERFACES_NS_H_
19 
20 #include "val.h"
21 #include "val_client_defs.h"
22 #include <stdarg.h>
23 
24 /**
25  @brief - This function will read peripherals using SPI commands
26  @param - addr : address of the peripheral
27  - data : read buffer
28  - len : length of the read buffer in bytes
29  @return - error status
30 **/
31 int pal_spi_read(addr_t addr, uint8_t *data, uint32_t len);
32 
33 /**
34  * @brief - Retrieve the version of the PSA Framework API that is implemented.
35  * This is a wrapper API for psa_framework_version API.
36  * @param - void
37  * @return - The PSA Framework API version.
38  * Note - Return PAL_STATUS_ERROR if PSA IPC is not implemented.
39  */
40 uint32_t pal_ipc_framework_version(void);
41 
42 /**
43  * @brief - Retrieve the minor version of a Root of Trust Service by its SID.
44  * This is a wrapper API for the psa_version API.
45  * @param - sid The Root of Trust Service ID
46  * @return - Minor version of Root of Trust Service or PSA_VERSION_NONE if Root of Trust Service
47  * not present on the system.
48  * Note - Return PAL_STATUS_ERROR if PSA IPC is not implemented.
49  */
50 uint32_t pal_ipc_version(uint32_t sid);
51 
52 /**
53  * @brief - Connect to given sid.
54  * This is a wrapper API for the psa_connect API.
55  * @param - sid : RoT service id
56  * - minor_version : minor_version of RoT service
57  * @return - psa_handle_t : return connection handle
58  * Note - Return PSA_NULL_HANDLE if PSA IPC is not implemented.
59  */
60 psa_handle_t pal_ipc_connect(uint32_t sid, uint32_t minor_version);
61 
62 /**
63  * @brief - Call a connected Root of Trust Service.
64  * This is a wrapper API for the psa_call API. The caller must provide an array of
65  * psa_invec_t structures as the input payload.
66  * @param - handle: Handle for the connection.
67  * - in_vec: Array of psa_invec structures.
68  * - in_len: Number of psa_invec structures in in_vec.
69  * - out_vec: Array of psa_outvec structures for optional Root of Trust Service response.
70  * - out_len: Number of psa_outvec structures in out_vec.
71  * @return - psa_status_t
72  */
73 
74 psa_status_t pal_ipc_call(psa_handle_t handle,
75  const psa_invec *in_vec,
76  size_t in_len,
77  psa_outvec *out_vec,
78  size_t out_len);
79 
80 /**
81  * @brief - Close a connection to a Root of Trust Service.
82  * This is a wrapper API for the psa_close API.
83  * Sends the PSA_IPC_DISCONNECT message to the Root of Trust Service
84  * so it can clean up resources.
85  * @param - handle Handle for the connection.
86  * @return - void
87  */
88 void pal_ipc_close(psa_handle_t handle);
89 /**
90  @brief - This function initializes the UART
91  @param - uart base addr
92  @return - SUCCESS/FAILURE
93 **/
94 int pal_uart_init_ns(uint32_t uart_base_addr);
95 
96 /**
97  * @brief - This function parses the input string and writes bytes into UART TX FIFO
98  * @param - str : Input String
99  * - data : Value for format specifier
100  * @return - SUCCESS/FAILURE
101 **/
102 
103 int pal_print_ns(char *str, uint32_t data);
104 
105 /**
106  * @brief - Initializes an hardware watchdog timer
107  * @param - base_addr : Base address of the watchdog module
108  * - time_us : Time in micro seconds
109  * - timer_tick_us : Number of ticks per micro second
110  * @return - SUCCESS/FAILURE
111 **/
112 int pal_wd_timer_init_ns(addr_t base_addr, uint32_t time_us, uint32_t timer_tick_us);
113 
114 /**
115  * @brief - Enables a hardware watchdog timer
116  * @param - base_addr : Base address of the watchdog module
117  * @return - SUCCESS/FAILURE
118 **/
119 int pal_wd_timer_enable_ns(addr_t base_addr);
120 
121 /**
122  * @brief - Disables a hardware watchdog timer
123  * @param - base_addr : Base address of the watchdog module
124  * @return - SUCCESS/FAILURE
125 **/
126 int pal_wd_timer_disable_ns(addr_t base_addr);
127 
128 /**
129  * @brief - Reads from given non-volatile address.
130  * @param - base : Base address of nvmem
131  * offset : Offset
132  * buffer : Pointer to source address
133  * size : Number of bytes
134  * @return - SUCCESS/FAILURE
135 **/
136 int pal_nvmem_read_ns(addr_t base, uint32_t offset, void *buffer, int size);
137 
138 /**
139  * @brief - Writes into given non-volatile address.
140  * @param - base : Base address of nvmem
141  * offset : Offset
142  * buffer : Pointer to source address
143  * size : Number of bytes
144  * @return - SUCCESS/FAILURE
145 **/
146 int pal_nvmem_write_ns(addr_t base, uint32_t offset, void *buffer, int size);
147 
148 /**
149  * @brief - This API will call the requested crypto function
150  * @param - type : function code
151  * valist : variable argument list
152  * @return - error status
153 **/
154 int32_t pal_crypto_function(int type, va_list valist);
155 
156 /**
157  * @brief - This API will call the requested internal trusted storage function
158  * @param - type : function code
159  * valist : variable argument list
160  * @return - error status
161 **/
162 uint32_t pal_its_function(int type, va_list valist);
163 
164 /**
165  * @brief - This API will call the requested protected storage function
166  * @param - type : function code
167  * valist : variable argument list
168  * @return - error status
169 **/
170 uint32_t pal_ps_function(int type, va_list valist);
171 
172 /**
173  * @brief - This API will call the requested attestation function
174  * @param - type : function code
175  * valist : variable argument list
176  * @return - error status
177 **/
178 int32_t pal_attestation_function(int type, va_list valist);
179 
180 /**
181  * @brief - Terminates the simulation at the end of all tests completion.
182  * By default, it put cpus into power down mode.
183  * @param - void
184  * @return - void
185 **/
186 void pal_terminate_simulation(void);
187 #endif
pal_ps_function
uint32_t pal_ps_function(int type, va_list valist)
This API will call the requested protected storage function
pal_terminate_simulation
void pal_terminate_simulation(void)
Terminates the simulation at the end of all tests completion.
pal_attestation_function
int32_t pal_attestation_function(int type, va_list valist)
This API will call the requested attestation function
pal_crypto_function
int32_t pal_crypto_function(int type, va_list valist)
This API will call the requested crypto function
pal_wd_timer_enable_ns
int pal_wd_timer_enable_ns(addr_t base_addr)
Enables a hardware watchdog timer
pal_ipc_version
uint32_t pal_ipc_version(uint32_t sid)
Retrieve the minor version of a Root of Trust Service by its SID.
val.h
Copyright (c) 2018-2019, Arm Limited or its affiliates.
pal_its_function
uint32_t pal_its_function(int type, va_list valist)
This API will call the requested internal trusted storage function
pal_wd_timer_init_ns
int pal_wd_timer_init_ns(addr_t base_addr, uint32_t time_us, uint32_t timer_tick_us)
Initializes an hardware watchdog timer
pal_wd_timer_disable_ns
int pal_wd_timer_disable_ns(addr_t base_addr)
Disables a hardware watchdog timer
pal_ipc_connect
psa_handle_t pal_ipc_connect(uint32_t sid, uint32_t minor_version)
Connect to given sid.
pal_ipc_close
void pal_ipc_close(psa_handle_t handle)
Close a connection to a Root of Trust Service.
pal_print_ns
int pal_print_ns(char *str, uint32_t data)
This function parses the input string and writes bytes into UART TX FIFO
pal_nvmem_write_ns
int pal_nvmem_write_ns(addr_t base, uint32_t offset, void *buffer, int size)
Writes into given non-volatile address.
pal_uart_init_ns
int pal_uart_init_ns(uint32_t uart_base_addr)
This function initializes the UART
psa_outvec
A writable output memory region provided to an RoT Service.
Definition: TARGET_MBED_PSA_SRV/inc/psa/client.h:55
pal_nvmem_read_ns
int pal_nvmem_read_ns(addr_t base, uint32_t offset, void *buffer, int size)
Reads from given non-volatile address.
psa_invec
A read-only input memory region provided to an RoT Service.
Definition: TARGET_MBED_PSA_SRV/inc/psa/client.h:49
pal_ipc_call
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.
val_client_defs.h
Copyright (c) 2018-2019, Arm Limited or its affiliates.
psa_status_t
int32_t psa_status_t
Function return status.
Definition: TARGET_MBED_PSA_SRV/inc/psa/crypto_types.h:53
pal_ipc_framework_version
uint32_t pal_ipc_framework_version(void)
Retrieve the version of the PSA Framework API that is implemented.
pal_spi_read
int pal_spi_read(addr_t addr, uint8_t *data, uint32_t len)
This function will read peripherals using SPI commands
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