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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2015-2016, Linaro Limited
*/
#ifndef TEE_PRIVATE_H
#define TEE_PRIVATE_H
#include <linux/cdev.h>
#include <linux/completion.h>
#include <linux/device.h>
#include <linux/dma-buf.h>
#include <linux/kref.h>
#include <linux/mutex.h>
#include <linux/types.h>
/* extra references appended to shm object for registered shared memory */
struct tee_shm_dmabuf_ref {
struct tee_shm shm;
size_t offset;
struct dma_buf *dmabuf;
struct tee_shm *parent_shm;
};
int tee_shm_get_fd(struct tee_shm *shm);
struct tee_shm *tee_shm_alloc_user_buf(struct tee_context *ctx, size_t size);
struct tee_shm *tee_shm_register_user_buf(struct tee_context *ctx,
unsigned long addr, size_t length);
int tee_heap_update_from_dma_buf(struct tee_device *teedev,
struct dma_buf *dmabuf, size_t *offset,
struct tee_shm *shm,
struct tee_shm **parent_shm);
#endif /*TEE_PRIVATE_H*/
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