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