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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2017, EPAM Systems
* 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 __KERNEL_MSG_PARAM_H
#define __KERNEL_MSG_PARAM_H
#include <compiler.h>
#include <mm/mobj.h>
#include <optee_msg.h>
#include <stdio.h>
#include <types_ext.h>
/**
* msg_param_mobj_from_noncontig() - construct mobj from non-contiguous
* list of pages.
*
* @buf_ptr - optee_msg_param.u.tmem.buf_ptr value
* @size - optee_msg_param.u.tmem.size value
* @shm_ref - optee_msg_param.u.tmem.shm_ref value
* @map_buffer - true if buffer needs to be mapped into OP-TEE address space
*
* return:
* mobj or NULL on error
*/
#ifdef CFG_CORE_DYN_SHM
struct mobj *msg_param_mobj_from_noncontig(paddr_t buf_ptr, size_t size,
uint64_t shm_ref, bool map_buffer);
#else
static inline struct mobj *
msg_param_mobj_from_noncontig(paddr_t buf_ptr __unused, size_t size __unused,
uint64_t shm_ref __unused,
bool map_buffer __unused)
{
return NULL;
}
#endif
/**
* msg_param_attr_is_tmem - helper functions that cheks if attribute is tmem
*
* @attr - attribute to check
*
* return:
* corresponding size field
*/
static inline bool msg_param_attr_is_tmem(uint64_t attr)
{
switch (attr & OPTEE_MSG_ATTR_TYPE_MASK) {
case OPTEE_MSG_ATTR_TYPE_TMEM_INPUT:
case OPTEE_MSG_ATTR_TYPE_TMEM_OUTPUT:
case OPTEE_MSG_ATTR_TYPE_TMEM_INOUT:
return true;
default:
return false;
}
}
#endif /*__KERNEL_MSG_PARAM_H*/
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