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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2014, STMicroelectronics International N.V.
* Copyright (c) 2020, Open Mobile Platform LLC
*/
#ifndef TEE_INTERNAL_API_EXTENSIONS_H
#define TEE_INTERNAL_API_EXTENSIONS_H
/* trace support */
#include <trace.h>
#include <stdio.h>
#include <tee_api_defines_extensions.h>
#include <tee_api_types.h>
void tee_user_mem_mark_heap(void);
size_t tee_user_mem_check_heap(void);
/* Hint implementation defines */
#define TEE_USER_MEM_HINT_NO_FILL_ZERO 0x80000000
/*
* Cache maintenance support (TA requires the CACHE_MAINTENANCE property)
*
* TEE_CacheClean() Write back to memory any dirty data cache lines. The line
* is marked as not dirty. The valid bit is unchanged.
*
* TEE_CacheFlush() Purges any valid data cache lines. Any dirty cache lines
* are first written back to memory, then the cache line is
* invalidated.
*
* TEE_CacheInvalidate() Invalidate any valid data cache lines. Any dirty line
* are not written back to memory.
*/
TEE_Result TEE_CacheClean(char *buf, size_t len);
TEE_Result TEE_CacheFlush(char *buf, size_t len);
TEE_Result TEE_CacheInvalidate(char *buf, size_t len);
/*
* tee_map_zi() - Map zero initialized memory
* @len: Number of bytes
* @flags: 0 or TEE_MEMORY_ACCESS_ANY_OWNER to allow sharing with other TAs
*
* Returns valid pointer on success or NULL on error.
*/
void *tee_map_zi(size_t len, uint32_t flags);
/*
* tee_unmap() - Unmap previously mapped memory
* @buf: Buffer
* @len: Number of bytes
*
* Note that supplied @buf and @len has to match exactly what has
* previously been returned by tee_map_zi().
*
* Return TEE_SUCCESS on success or TEE_ERRROR_* on failure.
*/
TEE_Result tee_unmap(void *buf, size_t len);
/*
* Convert a UUID string @s into a TEE_UUID @uuid
* Expected format for @s is: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
* 'x' being any hexadecimal digit (0-9a-fA-F)
*/
TEE_Result tee_uuid_from_str(TEE_UUID *uuid, const char *s);
/*
* tee_invoke_supp_plugin() - invoke a tee-supplicant's plugin
* @uuid: uuid of the plugin
* @cmd: command for the plugin
* @sub_cmd: subcommand for the plugin
* @buf: data [for/from] the plugin [in/out]
* @len: length of the input buf
* @outlen: pointer to length of the output data (if they will be used)
*
* Return TEE_SUCCESS on success or TEE_ERRROR_* on failure.
*/
TEE_Result tee_invoke_supp_plugin(const TEE_UUID *uuid, uint32_t cmd,
uint32_t sub_cmd, void *buf, size_t len,
size_t *outlen);
#endif
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