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/*
* Copyright (C) 2011 Google, Inc
* Copyright (c) 2011-2012, 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.
*/
#include <linux/types.h>
#include <mach/scm.h>
#include "ion_cp_common.h"
#define MEM_PROTECT_LOCK_ID 0x05
struct cp2_mem_chunks {
unsigned int *chunk_list;
unsigned int chunk_list_size;
unsigned int chunk_size;
} __attribute__ ((__packed__));
struct cp2_lock_req {
struct cp2_mem_chunks chunks;
unsigned int mem_usage;
unsigned int lock;
} __attribute__ ((__packed__));
int ion_cp_change_chunks_state(unsigned long chunks, unsigned int nchunks,
unsigned int chunk_size,
enum cp_mem_usage usage,
int lock)
{
struct cp2_lock_req request;
request.mem_usage = usage;
request.lock = lock;
request.chunks.chunk_list = (unsigned int *)chunks;
request.chunks.chunk_list_size = nchunks;
request.chunks.chunk_size = chunk_size;
return scm_call(SCM_SVC_CP, MEM_PROTECT_LOCK_ID,
&request, sizeof(request), NULL, 0);
}
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