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/*
* Copyright (c) 2012, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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 ION_CP_COMMON_H
#define ION_CP_COMMON_H
#include <asm-generic/errno-base.h>
#include <linux/msm_ion.h>
#define ION_CP_V1 1
#define ION_CP_V2 2
#if defined(CONFIG_ION_MSM)
/*
* ion_cp2_protect_mem - secures memory via trustzone
*
* @chunks - physical address of the array containing the chunks to
* be locked down
* @nchunks - number of entries in the array
* @chunk_size - size of each memory chunk
* @usage - usage hint
* @lock - 1 for lock, 0 for unlock
*
* return value is the result of the scm call
*/
int ion_cp_change_chunks_state(unsigned long chunks, unsigned int nchunks,
unsigned int chunk_size, enum cp_mem_usage usage,
int lock);
#else
static inline int ion_cp_change_chunks_state(unsigned long chunks,
unsigned int nchunks, unsigned int chunk_size,
enum cp_mem_usage usage, int lock)
{
return -ENODEV;
}
#endif
#endif
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