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/*
* Copyright (c) 2014, STMicroelectronics International N.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TEE_TA_MANAGER_H
#define TEE_TA_MANAGER_H
#include <kernel/tee_common.h>
#include "tee_api_types.h"
#include "tee_api_types.h"
#include "tee_ta.h"
#include <kernel/kta_types.h>
#include "tee_ta_manager_unpg.h"
#include "utee_types.h"
/*-----------------------------------------------------------------------------
* Initializes virtual memory management by reserving virtual memory for
* memory areas not available TA virtual memroy allocation.
*
* Spare physical pages are passed in the memory range between ta_start and
* ta_spare_end. Spare physical pages are supposed to be mapped with "no
* access" attribute.
*
* All addresses will be rounded up the the next page.
*
* Parameters:
* ro_start - start of read only section for paging,
* ro_end - end of read only section for paging,
* ta_start - start of section used for TA virtual memory
* ta_spare_end - end of spare pages used for paging
*
* Returns:
* void
*---------------------------------------------------------------------------*/
void tee_ta_vmem_init(tee_vaddr_t ro_start, tee_vaddr_t ro_end,
tee_vaddr_t ta_start, tee_vaddr_t ta_spare_end);
TEE_Result tee_ta_open_session(TEE_ErrorOrigin *err,
struct tee_ta_session **sess,
struct tee_ta_session_head *open_sessions,
const TEE_UUID *uuid,
const TEE_Identity *clnt_id,
uint32_t cancel_req_to,
struct tee_ta_param *param);
TEE_Result tee_ta_invoke_command(TEE_ErrorOrigin *err,
struct tee_ta_session *sess,
uint32_t cancel_req_to, uint32_t cmd,
struct tee_ta_param *param);
TEE_Result tee_ta_cancel_command(TEE_ErrorOrigin *err,
struct tee_ta_session *sess);
/*-----------------------------------------------------------------------------
* Function called to close a TA.
* Parameters:
* id - The session id (in)
* Returns:
* TEE_Result
*---------------------------------------------------------------------------*/
TEE_Result tee_ta_close_session(uint32_t id,
struct tee_ta_session_head *open_sessions);
TEE_Result tee_ta_get_current_session(struct tee_ta_session **sess);
void tee_ta_set_current_session(struct tee_ta_session *sess);
TEE_Result tee_ta_get_client_id(TEE_Identity *id);
/*
* Get pointer of executable part of the TA located in virtual kernel memory
*/
uintptr_t tee_ta_get_exec(const struct tee_ta_ctx *const ctx);
/* Returns OK is sess is a valid session pointer or static TA */
TEE_Result tee_ta_verify_session_pointer(struct tee_ta_session *sess,
struct tee_ta_session_head
*open_sessions);
int tee_ta_set_trace_level(int level);
void tee_ta_dump_current(void);
void tee_ta_dump_all(void);
#ifdef CFG_CACHE_API
TEE_Result tee_uta_cache_operation(struct tee_ta_session *s,
enum utee_cache_operation op,
void *va, size_t len);
#endif
#endif
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