BlockMedia

    pub const BlockMedia = extern struct {
        /// The current media ID. If the media changes, this value is changed.
        media_id: u32,

        /// `true` if the media is removable; otherwise, `false`.
        removable_media: bool,
        /// `true` if there is a media currently present in the device
        media_present: bool,
        /// `true` if the `BlockIo` was produced to abstract
        /// partition structures on the disk. `false` if the `BlockIo` was
        /// produced to abstract the logical blocks on a hardware device.
        logical_partition: bool,
        /// `true` if the media is marked read-only otherwise, `false`. This field
        /// shows the read-only status as of the most recent `WriteBlocks()`
        read_only: bool,
        /// `true` if the WriteBlocks() function caches write data.
        write_caching: bool,

        /// The intrinsic block size of the device. If the media changes, then this
        // field is updated. Returns the number of bytes per logical block.
        block_size: u32,
        /// Supplies the alignment requirement for any buffer used in a data
        /// transfer. IoAlign values of 0 and 1 mean that the buffer can be
        /// placed anywhere in memory. Otherwise, IoAlign must be a power of
        /// 2, and the requirement is that the start address of a buffer must be
        /// evenly divisible by IoAlign with no remainder.
        io_align: u32,
        /// The last LBA on the device. If the media changes, then this field is updated.
        last_block: u64,

        // Revision 2
        lowest_aligned_lba: u64,
        logical_blocks_per_physical_block: u32,
        optimal_transfer_length_granularity: u32,
    }