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struct list_head m_MemList;
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struct list_head m_MemList;
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struct mem_t m_MemStub;
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struct mem_t m_MemStub;
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};
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};
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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typedef struct _SHARED_PHYSMEMORY_DESCRIPTION {
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void *PhysAddress; // OUT - user memory address
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void *KernAddress; // OUT - user memory address
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void *UserAddress; // OUT - user memory address
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} SHARED_PHYSMEMORY_DESCRIPTION, *PSHARED_PHYSMEMORY_DESCRIPTION;
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//-----------------------------------------------------------------------------
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typedef struct _SHARED_MEMORY_DESCRIPTION {
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void* SystemAddress; // адрес блока памяти выделенного в пространстве ядра
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dma_addr_t LogicalAddress; // физический адрес блока памяти выделенного в пространстве ядра
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struct page** LockedPages; // указатели на страницы блока памяти выделенного в пространстве пользователя
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size_t PageCount; // количество страниц составляющи блок памяти выделенный в пространстве пользователя
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} SHARED_MEMORY_DESCRIPTION, *PSHARED_MEMORY_DESCRIPTION;
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//-----------------------------------------------------------------------------
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struct pex_device;
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struct pex_device;
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struct memory_block;
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struct memory_block;
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struct CDmaChannel;
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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int lock_pages( void *va, u32 size );
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int lock_pages( void *va, u32 size );
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int unlock_pages( void *va, u32 size );
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int unlock_pages( void *va, u32 size );
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void* allocate_memory_block(struct pex_device *brd, size_t block_size, dma_addr_t *dma_addr);
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void* allocate_memory_block(struct pex_device *brd, size_t block_size, dma_addr_t *dma_addr);
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int free_memory_block(struct pex_device *brd, struct memory_block mb);
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int free_memory_block(struct pex_device *brd, struct memory_block mb);
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int lock_user_memory( SHARED_MEMORY_DESCRIPTION *MemDscr, void* userSpaceAddress, size_t userSpaceSize );
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int unlock_user_memory( SHARED_MEMORY_DESCRIPTION *MemDscr );
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//--------------------------------------------------------------------
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//--------------------------------------------------------------------
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#endif //_MEMORY_H_
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#endif //_MEMORY_H_
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