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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_SVC_H
#define TEE_SVC_H
#include <assert.h>
#include <stdint.h>
#include <types_ext.h>
#include <tee_api_types.h>
#include <utee_types.h>
extern vaddr_t tee_svc_uref_base;
struct tee_ta_session;
/* TA Properties */
struct tee_props {
const char *name;
/* prop_type is of type enum user_ta_prop_type*/
const uint32_t prop_type;
/* either get_prop_func or both data and len */
TEE_Result (*get_prop_func)(struct tee_ta_session *sess,
void *buf, size_t *blen);
const void *data;
const size_t len;
};
struct tee_vendor_props {
const struct tee_props *props;
size_t len;
};
void syscall_sys_return(unsigned long ret);
void syscall_log(const void *buf, size_t len);
void syscall_panic(unsigned long code);
TEE_Result syscall_not_supported(void);
/* prop_set defined by enum utee_property */
TEE_Result syscall_get_property(unsigned long prop_set,
unsigned long index,
void *name, uint32_t *name_len,
void *buf, uint32_t *blen,
uint32_t *prop_type);
TEE_Result syscall_get_property_name_to_index(unsigned long prop_set,
void *name,
unsigned long name_len,
uint32_t *index);
TEE_Result syscall_open_ta_session(const TEE_UUID *dest,
unsigned long cancel_req_to, struct utee_params *params,
uint32_t *sess, uint32_t *ret_orig);
TEE_Result syscall_close_ta_session(unsigned long sess);
TEE_Result syscall_invoke_ta_command(unsigned long sess,
unsigned long cancel_req_to, unsigned long cmd_id,
struct utee_params *params, uint32_t *ret_orig);
TEE_Result syscall_check_access_rights(unsigned long flags, const void *buf,
size_t len);
TEE_Result tee_svc_copy_from_user(void *kaddr, const void *uaddr, size_t len);
TEE_Result tee_svc_copy_to_user(void *uaddr, const void *kaddr, size_t len);
TEE_Result tee_svc_copy_kaddr_to_uref(uint32_t *uref, void *kaddr);
static inline uint32_t tee_svc_kaddr_to_uref(void *kaddr)
{
assert(((vaddr_t)kaddr - tee_svc_uref_base) < UINT32_MAX);
return (vaddr_t)kaddr - tee_svc_uref_base;
}
static inline vaddr_t tee_svc_uref_to_vaddr(uint32_t uref)
{
return tee_svc_uref_base + uref;
}
static inline void *tee_svc_uref_to_kaddr(uint32_t uref)
{
return (void *)tee_svc_uref_to_vaddr(uref);
}
TEE_Result syscall_get_cancellation_flag(uint32_t *cancel);
TEE_Result syscall_unmask_cancellation(uint32_t *old_mask);
TEE_Result syscall_mask_cancellation(uint32_t *old_mask);
TEE_Result syscall_wait(unsigned long timeout);
TEE_Result syscall_get_time(unsigned long cat, TEE_Time *time);
TEE_Result syscall_set_ta_time(const TEE_Time *time);
#endif /* TEE_SVC_H */
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