Filled with the offset for mmap(2)
pub const io_sqring_offsets = extern struct
pub const io_sqring_offsets = extern struct {
/// offset of ring head
head: u32,
/// offset of ring tail
tail: u32,
/// ring mask value
ring_mask: u32,
/// entries in ring
ring_entries: u32,
/// ring flags
flags: u32,
/// number of sqes not submitted
dropped: u32,
/// sqe index array
array: u32,
resv1: u32,
user_addr: u64,
}