Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (c) 2015-2016, Linaro Limited
4 */
5#ifndef TEE_PRIVATE_H
6#define TEE_PRIVATE_H
7
8#include <linux/cdev.h>
9#include <linux/completion.h>
10#include <linux/device.h>
11#include <linux/dma-buf.h>
12#include <linux/kref.h>
13#include <linux/mutex.h>
14#include <linux/types.h>
15
16/* extra references appended to shm object for registered shared memory */
17struct tee_shm_dmabuf_ref {
18 struct tee_shm shm;
19 size_t offset;
20 struct dma_buf *dmabuf;
21 struct tee_shm *parent_shm;
22};
23
24int tee_shm_get_fd(struct tee_shm *shm);
25
26struct tee_shm *tee_shm_alloc_user_buf(struct tee_context *ctx, size_t size);
27struct tee_shm *tee_shm_register_user_buf(struct tee_context *ctx,
28 unsigned long addr, size_t length);
29
30int tee_heap_update_from_dma_buf(struct tee_device *teedev,
31 struct dma_buf *dmabuf, size_t *offset,
32 struct tee_shm *shm,
33 struct tee_shm **parent_shm);
34
35#endif /*TEE_PRIVATE_H*/