| /* |
| * 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_TYPES_H__ |
| #define __MALI_MEMORY_TYPES_H__ |
| |
| #if defined(CONFIG_MALI400_UMP) |
| #include "ump_kernel_interface.h" |
| #endif |
| |
| typedef u32 mali_address_t; |
| |
| typedef enum mali_mem_type { |
| MALI_MEM_OS, |
| MALI_MEM_EXTERNAL, |
| MALI_MEM_DMA_BUF, |
| MALI_MEM_UMP, |
| MALI_MEM_BLOCK, |
| MALI_MEM_TYPE_MAX, |
| } mali_mem_type; |
| |
| typedef struct mali_block_item { |
| /* for block type, the block_phy is alway page size align |
| * so use low 12bit used for ref_cout. |
| */ |
| unsigned long phy_addr; |
| } mali_block_item; |
| |
| typedef enum mali_page_node_type { |
| MALI_PAGE_NODE_OS, |
| MALI_PAGE_NODE_BLOCK, |
| } mali_page_node_type; |
| |
| typedef struct mali_block_node { |
| struct list_head list; |
| mali_block_item *blk_it; /*pointer to block item*/ |
| u32 type; |
| } mali_block_node; |
| |
| typedef struct mali_page_node { |
| struct list_head list; |
| struct page *page; |
| } mali_page_node; |
| |
| typedef struct mali_mem_os_mem { |
| struct list_head pages; |
| u32 count; |
| } mali_mem_os_mem; |
| |
| typedef struct mali_mem_dma_buf { |
| #if defined(CONFIG_DMA_SHARED_BUFFER) |
| struct mali_dma_buf_attachment *attachment; |
| #endif |
| } mali_mem_dma_buf; |
| |
| typedef struct mali_mem_external { |
| dma_addr_t phys; |
| u32 size; |
| } mali_mem_external; |
| |
| typedef struct mali_mem_ump { |
| #if defined(CONFIG_MALI400_UMP) |
| ump_dd_handle handle; |
| #endif |
| } mali_mem_ump; |
| |
| typedef struct block_allocator_allocation { |
| /* The list will be released in reverse order */ |
| struct block_info *last_allocated; |
| u32 mapping_length; |
| struct block_allocator *info; |
| } block_allocator_allocation; |
| |
| typedef struct mali_mem_block_mem { |
| struct list_head pfns; |
| u32 count; |
| } mali_mem_block_mem; |
| |
| typedef struct mali_mem_virt_mali_mapping { |
| mali_address_t addr; /* Virtual Mali address */ |
| u32 properties; /* MMU Permissions + cache, must match MMU HW */ |
| } mali_mem_virt_mali_mapping; |
| |
| typedef struct mali_mem_virt_cpu_mapping { |
| void __user *addr; |
| u32 ref; |
| } mali_mem_virt_cpu_mapping; |
| |
| #define MALI_MEM_ALLOCATION_VALID_MAGIC 0xdeda110c |
| #define MALI_MEM_ALLOCATION_FREED_MAGIC 0x10101010 |
| |
| typedef struct mali_mm_node { |
| /* MALI GPU vaddr start, use u32 for mmu only support 32bit address*/ |
| uint32_t start; /* GPU vaddr */ |
| uint32_t size; /* GPU allocation virtual size */ |
| unsigned allocated : 1; |
| } mali_mm_node; |
| |
| typedef struct mali_vma_node { |
| struct mali_mm_node vm_node; |
| struct rb_node vm_rb; |
| } mali_vma_node; |
| |
| |
| typedef struct mali_mem_allocation { |
| MALI_DEBUG_CODE(u32 magic); |
| mali_mem_type type; /**< Type of memory */ |
| int id; /**< ID in the descriptor map for this allocation */ |
| |
| u32 size; /**< Size of the allocation */ |
| u32 flags; /**< Flags for this allocation */ |
| |
| struct mali_session_data *session; /**< Pointer to session that owns the allocation */ |
| |
| /* Union selected by type. */ |
| union { |
| mali_mem_os_mem os_mem; /**< MALI_MEM_OS */ |
| mali_mem_external ext_mem; /**< MALI_MEM_EXTERNAL */ |
| mali_mem_dma_buf dma_buf; /**< MALI_MEM_DMA_BUF */ |
| mali_mem_ump ump_mem; /**< MALI_MEM_UMP */ |
| mali_mem_block_mem block_mem; /**< MALI_MEM_BLOCK */ |
| }; |
| |
| mali_mem_virt_cpu_mapping cpu_mapping; /**< CPU mapping */ |
| mali_mem_virt_mali_mapping mali_mapping; /**< Mali mapping */ |
| |
| /* add for new memory system */ |
| struct mali_vma_node mali_vma_node; |
| u32 vsize; /* virtual size*/ |
| u32 psize; /* physical backend memory size*/ |
| struct list_head list; |
| s32 backend_handle; /* idr for mem_backend */ |
| struct kref ref; |
| } mali_mem_allocation; |
| |
| |
| /* COW backend memory type */ |
| typedef struct mali_mem_cow { |
| struct list_head pages; /**< all pages for this cow backend allocation, |
| including new allocated pages for modified range*/ |
| u32 count; /**< number of pages */ |
| } mali_mem_cow; |
| |
| typedef struct mali_mem_backend { |
| mali_mem_type type; /**< Type of backend memory */ |
| u32 flags; /**< Flags for this allocation */ |
| u32 size; |
| /* Union selected by type. */ |
| union { |
| mali_mem_os_mem os_mem; /**< MALI_MEM_OS */ |
| mali_mem_external ext_mem; /**< MALI_MEM_EXTERNAL */ |
| mali_mem_dma_buf dma_buf; /**< MALI_MEM_DMA_BUF */ |
| mali_mem_ump ump_mem; /**< MALI_MEM_UMP */ |
| mali_mem_block_mem block_mem; /**< MALI_MEM_BLOCK */ |
| mali_mem_cow cow_mem; |
| }; |
| mali_mem_allocation *mali_allocation; |
| } mali_mem_backend; |
| |
| #define MALI_MEM_FLAG_MALI_GUARD_PAGE (1 << 0) |
| #define MALI_MEM_FLAG_DONT_CPU_MAP (1 << 1) |
| |
| #endif /* __MALI_MEMORY_TYPES__ */ |