Contributors: 4
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Pavel Begunkov |
86 |
45.99% |
5 |
31.25% |
| Jens Axboe |
79 |
42.25% |
9 |
56.25% |
| Roman Penyaev |
18 |
9.63% |
1 |
6.25% |
| David Wei |
4 |
2.14% |
1 |
6.25% |
| Total |
187 |
|
16 |
|
#ifndef IO_URING_MEMMAP_H
#define IO_URING_MEMMAP_H
#define IORING_MAP_OFF_PARAM_REGION 0x20000000ULL
#define IORING_MAP_OFF_ZCRX_REGION 0x30000000ULL
struct page **io_pin_pages(unsigned long ubuf, unsigned long len, int *npages);
#ifndef CONFIG_MMU
unsigned int io_uring_nommu_mmap_capabilities(struct file *file);
#endif
unsigned long io_uring_get_unmapped_area(struct file *file, unsigned long addr,
unsigned long len, unsigned long pgoff,
unsigned long flags);
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,
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)
{
return mr->ptr;
}
static inline bool io_region_is_set(struct io_mapped_region *mr)
{
return !!mr->nr_pages;
}
#endif