diff options
Diffstat (limited to 'io_uring/memmap.h')
| -rw-r--r-- | io_uring/memmap.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/io_uring/memmap.h b/io_uring/memmap.h index 2096a8427277..2402bca3d700 100644 --- a/io_uring/memmap.h +++ b/io_uring/memmap.h @@ -1,6 +1,8 @@ #ifndef IO_URING_MEMMAP_H #define IO_URING_MEMMAP_H +#define IORING_MAP_OFF_PARAM_REGION 0x20000000ULL + struct page **io_pin_pages(unsigned long ubuf, unsigned long len, int *npages); void io_pages_free(struct page ***pages, int npages); int io_uring_mmap_pages(struct io_ring_ctx *ctx, struct vm_area_struct *vma, @@ -24,7 +26,13 @@ int io_uring_mmap(struct file *file, struct vm_area_struct *vma); void io_free_region(struct io_ring_ctx *ctx, struct io_mapped_region *mr); int io_create_region(struct io_ring_ctx *ctx, struct io_mapped_region *mr, - struct io_uring_region_desc *reg); + struct io_uring_region_desc *reg, + unsigned long mmap_offset); + +int io_create_region_mmap_safe(struct io_ring_ctx *ctx, + struct io_mapped_region *mr, + struct io_uring_region_desc *reg, + unsigned long mmap_offset); static inline void *io_region_get_ptr(struct io_mapped_region *mr) { |