pub const AdrDevicePath = extern struct {
    type: DevicePath.Type,
    subtype: Subtype,
    length: u16 align(1),
    adr: u32 align(1),

    // multiple adr entries can optionally follow
    pub fn adrs(self: *const AdrDevicePath) []align(1) const u32 {
        // self.length is a minimum of 8 with one adr which is size 4.
        const entries = (self.length - 4) / @sizeOf(u32);
        return @as([*]align(1) const u32, @ptrCast(&self.adr))[0..entries];
    }
}