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+/*
+ * Copyright (C) 2013-2015 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
+ *
+ * A copy of the licence is included with the program, and can also be obtained from Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __MALI_MEMORY_H__
+#define __MALI_MEMORY_H__
+
+#include "mali_osk.h"
+#include "mali_session.h"
+
+#include <linux/list.h>
+#include <linux/mm.h>
+
+#include "mali_memory_types.h"
+#include "mali_memory_os_alloc.h"
+
+_mali_osk_errcode_t mali_memory_initialize(void);
+void mali_memory_terminate(void);
+
+/** @brief Allocate a page table page
+ *
+ * Allocate a page for use as a page directory or page table. The page is
+ * mapped into kernel space.
+ *
+ * @return _MALI_OSK_ERR_OK on success, otherwise an error code
+ * @param table_page GPU pointer to the allocated page
+ * @param mapping CPU pointer to the mapping of the allocated page
+ */
+MALI_STATIC_INLINE _mali_osk_errcode_t
+mali_mmu_get_table_page(mali_dma_addr *table_page, mali_io_address *mapping)
+{
+ return mali_mem_os_get_table_page(table_page, mapping);
+}
+
+/** @brief Release a page table page
+ *
+ * Release a page table page allocated through \a mali_mmu_get_table_page
+ *
+ * @param pa the GPU address of the page to release
+ */
+MALI_STATIC_INLINE void
+mali_mmu_release_table_page(mali_dma_addr phys, void *virt)
+{
+ mali_mem_os_release_table_page(phys, virt);
+}
+
+/** @brief mmap function
+ *
+ * mmap syscalls on the Mali device node will end up here.
+ *
+ * This function allocates Mali memory and maps it on CPU and Mali.
+ */
+int mali_mmap(struct file *filp, struct vm_area_struct *vma);
+
+/** @brief Start a new memory session
+ *
+ * Called when a process opens the Mali device node.
+ *
+ * @param session Pointer to session to initialize
+ */
+_mali_osk_errcode_t mali_memory_session_begin(struct mali_session_data *session);
+
+/** @brief Close a memory session
+ *
+ * Called when a process closes the Mali device node.
+ *
+ * Memory allocated by the session will be freed
+ *
+ * @param session Pointer to the session to terminate
+ */
+void mali_memory_session_end(struct mali_session_data *session);
+
+/** @brief Prepare Mali page tables for mapping
+ *
+ * This function will prepare the Mali page tables for mapping the memory
+ * described by \a descriptor.
+ *
+ * Page tables will be reference counted and allocated, if not yet present.
+ *
+ * @param descriptor Pointer to the memory descriptor to the mapping
+ */
+_mali_osk_errcode_t mali_mem_mali_map_prepare(mali_mem_allocation *descriptor);
+
+/** @brief Resize Mali page tables for mapping
+ *
+ * This function will Resize the Mali page tables for mapping the memory
+ * described by \a descriptor.
+ *
+ * Page tables will be reference counted and allocated, if not yet present.
+ *
+ * @param descriptor Pointer to the memory descriptor to the mapping
+ * @param new_size The new size of descriptor
+ */
+_mali_osk_errcode_t mali_mem_mali_map_resize(mali_mem_allocation *descriptor, u32 new_size);
+
+/** @brief Free Mali page tables for mapping
+ *
+ * This function will unmap pages from Mali memory and free the page tables
+ * that are now unused.
+ *
+ * The updated pages in the Mali L2 cache will be invalidated, and the MMU TLBs will be zapped if necessary.
+ *
+ * @param descriptor Pointer to the memory descriptor to unmap
+ */
+void mali_mem_mali_map_free(struct mali_session_data *session, u32 size, mali_address_t vaddr, u32 flags);
+
+/** @brief Parse resource and prepare the OS memory allocator
+ *
+ * @param size Maximum size to allocate for Mali GPU.
+ * @return _MALI_OSK_ERR_OK on success, otherwise failure.
+ */
+_mali_osk_errcode_t mali_memory_core_resource_os_memory(u32 size);
+
+/** @brief Parse resource and prepare the dedicated memory allocator
+ *
+ * @param start Physical start address of dedicated Mali GPU memory.
+ * @param size Size of dedicated Mali GPU memory.
+ * @return _MALI_OSK_ERR_OK on success, otherwise failure.
+ */
+_mali_osk_errcode_t mali_memory_core_resource_dedicated_memory(u32 start, u32 size);
+
+
+struct mali_page_node *_mali_page_node_allocate(mali_page_node_type type);
+
+void _mali_page_node_ref(struct mali_page_node *node);
+void _mali_page_node_unref(struct mali_page_node *node);
+void _mali_page_node_add_page(struct mali_page_node *node, struct page *page);
+
+void _mali_page_node_add_block_item(struct mali_page_node *node, mali_block_item *item);
+
+void _mali_page_node_add_swap_item(struct mali_page_node *node, struct mali_swap_item *item);
+
+int _mali_page_node_get_ref_count(struct mali_page_node *node);
+dma_addr_t _mali_page_node_get_dma_addr(struct mali_page_node *node);
+unsigned long _mali_page_node_get_pfn(struct mali_page_node *node);
+
+#endif /* __MALI_MEMORY_H__ */