You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
1.6 KiB
67 lines
1.6 KiB
/*
|
|
* Texas Instruments K3 Secure Proxy Driver
|
|
* Based on Linux and U-Boot implementation
|
|
*
|
|
* Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#ifndef SEC_PROXY_H
|
|
#define SEC_PROXY_H
|
|
|
|
#include <stdint.h>
|
|
|
|
/**
|
|
* enum k3_sec_proxy_chan_id - Secure Proxy thread IDs
|
|
*
|
|
* These the available IDs used in k3_sec_proxy_{send,recv}()
|
|
*/
|
|
enum k3_sec_proxy_chan_id {
|
|
SP_NOTIFY = 0,
|
|
SP_RESPONSE,
|
|
SP_HIGH_PRIORITY,
|
|
SP_LOW_PRIORITY,
|
|
SP_NOTIFY_RESP,
|
|
};
|
|
|
|
/**
|
|
* struct k3_sec_proxy_msg - Secure proxy message structure
|
|
* @len: Length of data in the Buffer
|
|
* @buf: Buffer pointer
|
|
*
|
|
* This is the structure for data used in k3_sec_proxy_{send,recv}()
|
|
*/
|
|
struct k3_sec_proxy_msg {
|
|
size_t len;
|
|
uint8_t *buf;
|
|
};
|
|
|
|
/**
|
|
* k3_sec_proxy_send() - Send data over a Secure Proxy thread
|
|
* @id: Channel Identifier
|
|
* @msg: Pointer to k3_sec_proxy_msg
|
|
*
|
|
* Return: 0 if all goes well, else appropriate error message
|
|
*/
|
|
int k3_sec_proxy_clear_rx_thread(enum k3_sec_proxy_chan_id id);
|
|
|
|
/**
|
|
* k3_sec_proxy_send() - Send data over a Secure Proxy thread
|
|
* @id: Channel Identifier
|
|
* @msg: Pointer to k3_sec_proxy_msg
|
|
*
|
|
* Return: 0 if all goes well, else appropriate error message
|
|
*/
|
|
int k3_sec_proxy_send(enum k3_sec_proxy_chan_id id, const struct k3_sec_proxy_msg *msg);
|
|
|
|
/**
|
|
* k3_sec_proxy_recv() - Receive data from a Secure Proxy thread
|
|
* @id: Channel Identifier
|
|
* @msg: Pointer to k3_sec_proxy_msg
|
|
*
|
|
* Return: 0 if all goes well, else appropriate error message
|
|
*/
|
|
int k3_sec_proxy_recv(enum k3_sec_proxy_chan_id id, struct k3_sec_proxy_msg *msg);
|
|
|
|
#endif /* SEC_PROXY_H */
|
|
|