:py:mod:`dissect.hypervisor.backup.c_vma`
=========================================

.. py:module:: dissect.hypervisor.backup.c_vma


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

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

    .. raw:: html

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

    .. code-block:: python

        """
        #define VMA_BLOCK_BITS          12
        #define VMA_BLOCK_SIZE          (1 << VMA_BLOCK_BITS)
        #define VMA_CLUSTER_BITS        (VMA_BLOCK_BITS + 4)
        #define VMA_CLUSTER_SIZE        (1 << VMA_CLUSTER_BITS)
        
        #define VMA_EXTENT_HEADER_SIZE  512
        #define VMA_BLOCKS_PER_EXTENT   59
        #define VMA_MAX_CONFIGS         256
        
        #define VMA_MAX_EXTENT_SIZE     (VMA_EXTENT_HEADER_SIZE + VMA_CLUSTER_SIZE * VMA_BLOCKS_PER_EXTENT)
        
        /* File Format Definitions */
        
        struct VmaDeviceInfoHeader {
            uint32  devname_ptr;    /* offset into blob_buffer table */
            uint32  reserved0;
            uint64  size;           /* device size in bytes */
            uint64  reserved1;
            uint64  reserved2;
        };
        
        struct VmaHeader {
            char    magic[4];
            uint32  version;
            char    uuid[16];
            int64   ctime;
            char    md5sum[16];
        
            uint32  blob_buffer_offset;
            uint32  blob_buffer_size;
            uint32  header_size;
        
            char    _reserved1[1984];
        
            uint32  config_names[VMA_MAX_CONFIGS]; /* offset into blob_buffer table */
            uint32  config_data[VMA_MAX_CONFIGS];  /* offset into blob_buffer table */
        
            char    _reserved2[4];
        
            VmaDeviceInfoHeader     dev_info[256];
        };
        
        struct VmaExtentHeader {
            char    magic[4];
            uint16  reserved1;
            uint16  block_count;
            char    uuid[16];
            char    md5sum[16];
            uint64  blockinfo[VMA_BLOCKS_PER_EXTENT];
        };
        """

    .. raw:: html

        </details>

   

.. py:data:: c_vma

   

.. py:data:: VMA_MAGIC
   :value: b'VMA\x00'

   

.. py:data:: VMA_EXTENT_MAGIC
   :value: b'VMAE'