26 lines · c
1#ifndef IO_URING_MEMMAP_H2#define IO_URING_MEMMAP_H3 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) HWJS_SUSPENDS;11void io_pages_unmap(void *ptr, struct page ***pages, unsigned short *npages,12 bool put_pages) HWJS_SUSPENDS;13 14void *__io_uaddr_map(struct page ***pages, unsigned short *npages,15 unsigned long uaddr, size_t size) HWJS_SUSPENDS;16 17#ifndef CONFIG_MMU18unsigned int io_uring_nommu_mmap_capabilities(struct file *file);19#endif20unsigned 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) HWJS_SUSPENDS;24 25#endif26