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/*
* Copyright (c) 2015, 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 KERNEL_USER_TA_H
#define KERNEL_USER_TA_H
#include <assert.h>
#include <kernel/tee_ta_manager.h>
#include <kernel/thread.h>
#include <mm/tee_mm.h>
#include <tee_api_types.h>
#include <types_ext.h>
#include <util.h>
TAILQ_HEAD(tee_cryp_state_head, tee_cryp_state);
TAILQ_HEAD(tee_obj_head, tee_obj);
TAILQ_HEAD(tee_storage_enum_head, tee_storage_enum);
struct user_ta_ctx {
uaddr_t entry_func;
bool is_32bit; /* true if 32-bit ta, false if 64-bit ta */
/* list of sessions opened by this TA */
struct tee_ta_session_head open_sessions;
/* List of cryp states created by this TA */
struct tee_cryp_state_head cryp_states;
/* List of storage objects opened by this TA */
struct tee_obj_head objects;
/* List of storage enumerators opened by this TA */
struct tee_storage_enum_head storage_enums;
struct mobj *mobj_code; /* secure world memory */
struct mobj *mobj_stack; /* stack */
uint32_t load_addr; /* elf load addr (from TAs address space) */
uint32_t context; /* Context ID of the process */
struct tee_mmu_info *mmu; /* Saved MMU information (ddr only) */
void *ta_time_offs; /* Time reference used by the TA */
struct tee_pager_area_head *areas;
#if defined(CFG_SE_API)
struct tee_se_service *se_service;
#endif
#if defined(CFG_WITH_VFP)
struct thread_user_vfp_state vfp;
#endif
struct tee_ta_ctx ctx;
};
static inline bool is_user_ta_ctx(struct tee_ta_ctx *ctx)
{
return !!(ctx->flags & TA_FLAG_USER_MODE);
}
static inline struct user_ta_ctx *to_user_ta_ctx(struct tee_ta_ctx *ctx)
{
assert(is_user_ta_ctx(ctx));
return container_of(ctx, struct user_ta_ctx, ctx);
}
#ifdef CFG_WITH_USER_TA
TEE_Result tee_ta_init_user_ta_session(const TEE_UUID *uuid,
struct tee_ta_session *s);
#else
static inline TEE_Result tee_ta_init_user_ta_session(
const TEE_UUID *uuid __unused,
struct tee_ta_session *s __unused)
{
return TEE_ERROR_ITEM_NOT_FOUND;
}
#endif
#endif /*KERNEL_USER_TA_H*/
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