:py:mod:`dissect.hypervisor.disk.c_hdd`
=======================================

.. py:module:: dissect.hypervisor.disk.c_hdd


Module Contents
---------------

.. py:data:: hdd_def
   :value: Multiline-String

    .. raw:: html

        <details><summary>Show Value</summary>

    .. code-block:: python

        """
        /* Compressed disk v1 signature */
        #define SIGNATURE_STRUCTURED_DISK_V1    b"WithoutFreeSpace"
        
        /* Compressed disk v2 signature */
        #define SIGNATURE_STRUCTURED_DISK_V2    b"WithouFreSpacExt"
        
        /* Sign that the disk is in "using" state */
        #define SIGNATURE_DISK_IN_USE           0x746F6E59
        
        #define SECTOR_LOG                      9
        #define SECTOR_SIZE                     (1 << SECTOR_LOG)
        
        struct pvd_header {
            char    m_Sig[16];                              /* Signature */
            uint32  m_Type;                                 /* Disk type */
            uint32  m_Heads;                                /* heads count */
            uint32  m_Cylinders;                            /* tracks count */
            uint32  m_Sectors;                              /* Sectors per track count */
            uint32  m_Size;                                 /* Size of disk in tracks */
            union {                                         /* Size of disk in 512-byte sectors */
                struct {
                    uint32  m_SizeInSectors_v1;
                    uint32  Unused;
                };
                uint64  m_SizeInSectors_v2;
            };
            uint32  m_DiskInUse;                            /* Disk in use */
            uint32  m_FirstBlockOffset;                     /* First data block offset (in sectors) */
            uint32  m_Flags;                                /* Misc flags */
            uint64  m_FormatExtensionOffset;                /* Optional header offset in bytes */
        };
        
        struct pvd_ext_block_check {
            // Format Extension magic = 0xAB234CEF23DCEA87
            uint64  m_Magic;
            // Md5 checksum of the whole (without top 24 bytes of block check)
            // Format Extension Block.
            uint8   m_Md5[16];
        };
        
        struct pvd_ext_block_element_header {
            uint64  magic;
            uint64  flags;
            uint32  size;
            uint32  unused32;
        };
        
        struct pvd_dirty_bitmap_raw {
            uint64  m_Size;
            uint8   m_Id[16];
            uint32  m_Granularity;
            uint32  m_L1Size;
            uint64  m_L1[m_L1Size];
        };
        """

    .. raw:: html

        </details>

   

.. py:data:: c_hdd

   

.. py:data:: SECTOR_SIZE