26 lines
		
	
	
		
			921 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			921 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef IO_URING_MEMMAP_H
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| #define IO_URING_MEMMAP_H
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| 
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| struct page **io_pin_pages(unsigned long ubuf, unsigned long len, int *npages);
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| void io_pages_free(struct page ***pages, int npages);
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| int io_uring_mmap_pages(struct io_ring_ctx *ctx, struct vm_area_struct *vma,
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| 			struct page **pages, int npages);
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| 
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| void *io_pages_map(struct page ***out_pages, unsigned short *npages,
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| 		   size_t size);
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| void io_pages_unmap(void *ptr, struct page ***pages, unsigned short *npages,
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| 		    bool put_pages);
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| 
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| void *__io_uaddr_map(struct page ***pages, unsigned short *npages,
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| 		     unsigned long uaddr, size_t size);
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| 
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| #ifndef CONFIG_MMU
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| unsigned int io_uring_nommu_mmap_capabilities(struct file *file);
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| #endif
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| unsigned long io_uring_get_unmapped_area(struct file *file, unsigned long addr,
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| 					 unsigned long len, unsigned long pgoff,
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| 					 unsigned long flags);
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| int io_uring_mmap(struct file *file, struct vm_area_struct *vma);
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| 
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| #endif
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