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/*
* Copyright (c) 2016-2017, Linaro Limited
* 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 __MM_MOBJ_H
#define __MM_MOBJ_H
#include <compiler.h>
#include <mm/core_memprot.h>
#include <optee_msg.h>
#include <sys/queue.h>
#include <tee_api_types.h>
#include <types_ext.h>
struct mobj {
const struct mobj_ops *ops;
size_t size;
};
struct mobj_ops {
void *(*get_va)(struct mobj *mobj, size_t offs);
TEE_Result (*get_pa)(struct mobj *mobj, size_t offs, size_t granule,
paddr_t *pa);
TEE_Result (*get_cattr)(struct mobj *mobj, uint32_t *cattr);
bool (*matches)(struct mobj *mobj, enum buf_is_attr attr);
void (*free)(struct mobj *mobj);
void (*update_mapping)(struct mobj *mobj, struct user_ta_ctx *utc,
vaddr_t va);
};
extern struct mobj mobj_virt;
extern struct mobj *mobj_sec_ddr;
static inline void *mobj_get_va(struct mobj *mobj, size_t offset)
{
if (mobj && mobj->ops && mobj->ops->get_va)
return mobj->ops->get_va(mobj, offset);
return NULL;
}
static inline TEE_Result mobj_get_pa(struct mobj *mobj, size_t offs,
size_t granule, paddr_t *pa)
{
if (mobj && mobj->ops && mobj->ops->get_pa)
return mobj->ops->get_pa(mobj, offs, granule, pa);
return TEE_ERROR_GENERIC;
}
static inline TEE_Result mobj_get_cattr(struct mobj *mobj, uint32_t *cattr)
{
if (mobj && mobj->ops && mobj->ops->get_cattr)
return mobj->ops->get_cattr(mobj, cattr);
return TEE_ERROR_GENERIC;
}
static inline bool mobj_matches(struct mobj *mobj, enum buf_is_attr attr)
{
if (mobj && mobj->ops && mobj->ops->matches)
return mobj->ops->matches(mobj, attr);
return false;
}
static inline void mobj_free(struct mobj *mobj)
{
if (mobj && mobj->ops && mobj->ops->free)
mobj->ops->free(mobj);
}
static inline void mobj_update_mapping(struct mobj *mobj,
struct user_ta_ctx *utc, vaddr_t va)
{
if (mobj && mobj->ops && mobj->ops->update_mapping)
mobj->ops->update_mapping(mobj, utc, va);
}
static inline bool mobj_is_nonsec(struct mobj *mobj)
{
return mobj_matches(mobj, CORE_MEM_NON_SEC);
}
static inline bool mobj_is_secure(struct mobj *mobj)
{
return mobj_matches(mobj, CORE_MEM_SEC);
}
struct mobj *mobj_mm_alloc(struct mobj *mobj_parent, size_t size,
tee_mm_pool_t *pool);
struct mobj *mobj_phys_alloc(paddr_t pa, size_t size, uint32_t cattr,
enum buf_is_attr battr);
struct mobj *mobj_paged_alloc(size_t size);
#ifdef CFG_PAGED_USER_TA
bool mobj_is_paged(struct mobj *mobj);
#else
static inline bool mobj_is_paged(struct mobj *mobj __unused)
{
return false;
}
#endif
struct mobj *mobj_seccpy_shm_alloc(size_t size);
#endif /*__MM_MOBJ_H*/
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