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/* Copyright (c) 2013-2014, 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 _LINUX_MEM_SHARE_H
#define _LINUX_MEM_SHARE_H
#define MEMORY_CMA 1
#define MEMORY_NON_CMA 0
/* The last client (MAX_CLIENTS -1) is for supporting the
* requests coming on the old idl. As the old idl changes
* supports only single client, binding the last client
* to honor request coming on old idl changes are
* sufficient.
*/
#define MAX_CLIENTS 10
#define GPS 0
#define CHECK 0
#define FREE 1
struct mem_blocks {
/* Client Id information */
uint32_t client_id;
/* Peripheral associated with client */
uint32_t peripheral;
/* Sequence Id */
uint32_t sequence_id;
/* CMA or Non-CMA region */
uint32_t memory_type;
/* Guaranteed Memory */
uint32_t guarantee;
/* Memory alloted or not */
uint32_t alloted;
/* Size required for client */
uint32_t size;
/* start address of the memory block reserved by server memory
* subsystem to client
*/
phys_addr_t phy_addr;
/* Virtual address for the physical address allocated
*/
void *virtual_addr;
};
int memshare_alloc(struct device *dev,
unsigned int block_size,
struct mem_blocks *pblk);
void memshare_free(unsigned int block_size,
struct mem_blocks *pblk);
#endif /* _LINUX_MEM_SHARE_H */
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