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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2014, STMicroelectronics International N.V.
*/
#ifndef __TEE_TEE_POBJ_H
#define __TEE_TEE_POBJ_H
#include <stdint.h>
#include <sys/queue.h>
#include <tee_api_types.h>
#include <tee/tee_fs.h>
struct tee_pobj {
TAILQ_ENTRY(tee_pobj) link;
uint32_t refcnt;
TEE_UUID uuid;
void *obj_id;
uint32_t obj_id_len;
uint32_t flags;
uint32_t obj_info_usage;
bool temporary; /* can be changed while creating == true */
bool creating; /* can only be changed with mutex held */
/* Filesystem handling this object */
const struct tee_file_operations *fops;
};
enum tee_pobj_usage {
TEE_POBJ_USAGE_OPEN,
TEE_POBJ_USAGE_RENAME,
TEE_POBJ_USAGE_CREATE,
TEE_POBJ_USAGE_ENUM,
};
TEE_Result tee_pobj_get(TEE_UUID *uuid, void *obj_id, uint32_t obj_id_len,
uint32_t flags, enum tee_pobj_usage usage,
const struct tee_file_operations *fops,
struct tee_pobj **obj);
void tee_pobj_create_final(struct tee_pobj *obj);
TEE_Result tee_pobj_release(struct tee_pobj *obj);
TEE_Result tee_pobj_rename(struct tee_pobj *obj, void *obj_id,
uint32_t obj_id_len);
/*
* Locks and unlocks a mutex intended to protect the obj_info_usage field
* in struct tee_pobj.
*/
void tee_pobj_lock_usage(struct tee_pobj *obj);
void tee_pobj_unlock_usage(struct tee_pobj *obj);
#endif
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