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Diffstat (limited to 'drivers/gpu/arm/utgard/linux/mali_memory_types.h')
| -rw-r--r-- | drivers/gpu/arm/utgard/linux/mali_memory_types.h | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/drivers/gpu/arm/utgard/linux/mali_memory_types.h b/drivers/gpu/arm/utgard/linux/mali_memory_types.h new file mode 100644 index 000000000000..82af8fed66c9 --- /dev/null +++ b/drivers/gpu/arm/utgard/linux/mali_memory_types.h @@ -0,0 +1,208 @@ +/* + * 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__ + +#include <linux/mm.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_SWAP, + MALI_MEM_DMA_BUF, + MALI_MEM_UMP, + MALI_MEM_BLOCK, + MALI_MEM_COW, + 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; + +/** + * idx is used to locate the given page in the address space of swap file. + * ref_count is used to mark how many memory backends are using this item. + */ +typedef struct mali_swap_item { + u32 idx; + atomic_t ref_count; + struct page *page; + dma_addr_t dma_addr; +} mali_swap_item; + +typedef enum mali_page_node_type { + MALI_PAGE_NODE_OS, + MALI_PAGE_NODE_BLOCK, + MALI_PAGE_NODE_SWAP, +} mali_page_node_type; + +typedef struct mali_page_node { + struct list_head list; + union { + struct page *page; + mali_block_item *blk_it; /*pointer to block item*/ + mali_swap_item *swap_it; + }; + + u32 type; +} 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; + struct vm_area_struct *vma; +} 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 */ + u32 flags; /**< Flags for this allocation */ + + struct mali_session_data *session; /**< Pointer to session that owns the allocation */ + + 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 */ + _mali_osk_atomic_t mem_alloc_refcount; +} mali_mem_allocation; + +struct mali_mem_os_allocator { + spinlock_t pool_lock; + struct list_head pool_pages; + size_t pool_count; + + atomic_t allocated_pages; + size_t allocation_limit; + + struct shrinker shrinker; + struct delayed_work timed_shrinker; + struct workqueue_struct *wq; +}; + +/* 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 */ + s32 change_pages_nr; +} mali_mem_cow; + +typedef struct mali_mem_swap { + struct list_head pages; + u32 count; +} mali_mem_swap; + +#define MALI_MEM_BACKEND_FLAG_COWED (0x1) /* COW has happen on this backend */ +#define MALI_MEM_BACKEND_FLAG_COW_CPU_NO_WRITE (0x2) /* This is an COW backend, mapped as not allowed cpu to write */ +#define MALI_MEM_BACKEND_FLAG_SWAP_COWED (0x4) /* Mark the given backend is cowed from swappable memory. */ +/* Mark this backend is not swapped_in in MALI driver, and before using it, + * we should swap it in and set up corresponding page table. */ +#define MALI_MEM_BACKEND_FLAG_UNSWAPPED_IN (0x8) +#define MALI_MEM_BACKEND_FLAG_NOT_BINDED (0x1 << 5) /* this backend it not back with physical memory, used for defer bind */ +#define MALI_MEM_BACKEND_FLAG_BINDED (0x1 << 6) /* this backend it back with physical memory, used for defer bind */ + +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_swap swap_mem; + }; + mali_mem_allocation *mali_allocation; + struct mutex mutex; + mali_mem_type cow_type; + + struct list_head list; /**< Used to link swappable memory backend to the global swappable list */ + int using_count; /**< Mark how many PP jobs are using this memory backend */ + u32 start_idx; /**< If the correspondign vma of this backend is linear, this value will be used to set vma->vm_pgoff */ +} mali_mem_backend; + +#define MALI_MEM_FLAG_MALI_GUARD_PAGE (_MALI_MAP_EXTERNAL_MAP_GUARD_PAGE) +#define MALI_MEM_FLAG_DONT_CPU_MAP (1 << 1) +#define MALI_MEM_FLAG_CAN_RESIZE (_MALI_MEMORY_ALLOCATE_RESIZEABLE) +#endif /* __MALI_MEMORY_TYPES__ */ |