1#ifndef IO_URING_MEMMAP_H
2#define IO_URING_MEMMAP_H
3
4struct page **io_pin_pages(unsigned long ubuf, unsigned long len, int *npages);
5void io_pages_free(struct page ***pages, int npages);
6int io_uring_mmap_pages(struct io_ring_ctx *ctx, struct vm_area_struct *vma,
7			struct page **pages, int npages);
8
9void *io_pages_map(struct page ***out_pages, unsigned short *npages,
10		   size_t size);
11void io_pages_unmap(void *ptr, struct page ***pages, unsigned short *npages,
12		    bool put_pages);
13
14void *__io_uaddr_map(struct page ***pages, unsigned short *npages,
15		     unsigned long uaddr, size_t size);
16
17#ifndef CONFIG_MMU
18unsigned int io_uring_nommu_mmap_capabilities(struct file *file);
19#endif
20unsigned long io_uring_get_unmapped_area(struct file *file, unsigned long addr,
21					 unsigned long len, unsigned long pgoff,
22					 unsigned long flags);
23int io_uring_mmap(struct file *file, struct vm_area_struct *vma);
24
25#endif
26