io_uring_restriction->opcode values
pub const IORING_RESTRICTION = enum(u16)
pub const IORING_RESTRICTION = enum(u16) {
/// Allow an io_uring_register(2) opcode
REGISTER_OP = 0,
/// Allow an sqe opcode
SQE_OP = 1,
/// Allow sqe flags
SQE_FLAGS_ALLOWED = 2,
/// Require sqe flags (these flags must be set on each submission)
SQE_FLAGS_REQUIRED = 3,
_,
}