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- /* Copyright (c) 2013-2018, 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 MEM_SHARE_SERVICE_SVC_ID 0x00000034
- #define MEM_SHARE_SERVICE_INS_ID 1
- #define MEM_SHARE_SERVICE_VERS 1
- #define MEMORY_CMA 1
- #define MEMORY_NON_CMA 0
- #define MAX_CLIENTS 10
- #define GPS 0
- #define CHECK 0
- #define FREE 1
- #define MEMSHARE_GUARD_BYTES (4*1024)
- 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 allotted;
- /* Memory allocation request received or not */
- uint32_t alloc_request;
- /* 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;
- /* Release memory only when XPU is released*/
- uint8_t free_memory;
- /* Need Hypervisor mapping*/
- uint8_t hyp_mapping;
- /* Status flag which checks if ramdump file is created*/
- int file_created;
- };
- 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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