mirror of
https://github.com/openharmony/tee_tee_tzdriver.git
synced 2026-07-01 06:41:57 -04:00
袁浩
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/*
|
|
* mailbox_mempool.h
|
|
*
|
|
* mailbox memory managing for sharing memory with TEE.
|
|
*
|
|
* Copyright (C) 2022 Huawei Technologies Co., Ltd.
|
|
*
|
|
* This software is licensed under the terms of the GNU General Public
|
|
* License version 2, as published by the Free Software Foundation, and
|
|
* may be copied, distributed, and modified under those terms.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
#ifndef MAILBOX_MEMPOOOL_H
|
|
#define MAILBOX_MEMPOOOL_H
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
|
|
#define MAILBOX_POOL_SIZE SZ_4M
|
|
|
|
/* alloc options */
|
|
#define MB_FLAG_ZERO 0x1 /* set 0 after alloc page */
|
|
#define GLOBAL_UUID_LEN 17 /* first char represent global cmd */
|
|
|
|
void *mailbox_alloc(size_t size, unsigned int flag);
|
|
void mailbox_free(const void *ptr);
|
|
int mailbox_mempool_init(void);
|
|
void mailbox_mempool_destroy(void);
|
|
struct mb_cmd_pack *mailbox_alloc_cmd_pack(void);
|
|
void *mailbox_copy_alloc(const void *src, size_t size);
|
|
|
|
#endif
|