/*
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* Copyright (C) 2010-2011, 2013-2014, 2016-2017 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
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*
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* A copy of the licence is included with the program, and can also be obtained from Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/**
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* @file ump_kernel_memory_mapping.h
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*/
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#ifndef __UMP_KERNEL_MEMORY_BACKEND_H__
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#define __UMP_KERNEL_MEMORY_BACKEND_H__
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#include "ump_kernel_interface.h"
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#include "ump_kernel_types.h"
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typedef struct ump_memory_allocation {
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void *phys_addr;
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void *mapping;
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unsigned long size;
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ump_dd_handle handle;
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void *process_mapping_info;
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u32 cookie; /**< necessary on some U/K interface implementations */
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struct ump_session_data *ump_session; /**< Session that this allocation belongs to */
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_mali_osk_list_t list; /**< List for linking together memory allocations into the session's memory head */
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u32 is_cached;
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} ump_memory_allocation;
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typedef struct ump_memory_backend {
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int (*allocate)(void *ctx, ump_dd_mem *descriptor);
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void (*release)(void *ctx, ump_dd_mem *descriptor);
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void (*shutdown)(struct ump_memory_backend *backend);
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u32(*stat)(struct ump_memory_backend *backend);
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int (*pre_allocate_physical_check)(void *ctx, u32 size);
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u32(*adjust_to_mali_phys)(void *ctx, u32 cpu_phys);
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void *ctx;
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} ump_memory_backend;
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ump_memory_backend *ump_memory_backend_create(void);
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void ump_memory_backend_destroy(void);
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#endif /*__UMP_KERNEL_MEMORY_BACKEND_H__ */
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