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qcow2

package module

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Versions in this module

v0

v0.1.6

Jul 26, 2023

v0.1.5

Jul 24, 2023

v0.1.4

Jul 24, 2023

Changes in this version

type Image

+ func (i *Image) Snapshot() error

type L2TableEntry

+ func (e L2TableEntry) Unallocated() bool

v0.1.3

Jul 23, 2023

v0.1.2

Jul 23, 2023

v0.1.1

Jul 23, 2023

v0.1.0

Jul 23, 2023

Changes in this version

+ const Magic

+ type AutoclearFeatures uint64

+ const AutoclearBitmaps

+ const AutoclearRaw

+ type CompatibleFeatures uint64

+ const CompatibleLazyRefcounts

+ type CompressionType uint8

+ const CompressionTypeDeflate

+ const CompressionTypeZstd

+ type EncryptionMethod uint32

+ const AesEncryption

+ const NoEncryption

+ type Header struct

+ AutoclearFeatures AutoclearFeatures

+ BackingFileOffset uint64

+ BackingFileSize uint32

+ ClusterBits uint32

+ CompatibleFeatures CompatibleFeatures

+ CryptMethod EncryptionMethod

+ HeaderLength uint32

+ IncompatibleFeatures IncompatibleFeatures

+ L1Size uint32

+ L1TableOffset uint64

+ Magic uint32

+ NbSnapshots uint32

+ RefcountOrder RefcountOrder

+ RefcountTableClusters uint32

+ RefcountTableOffset uint64

+ Size uint64

+ SnapshotsOffset uint64

+ Version Version

+ type HeaderAdditionalFields struct

+ CompressionType CompressionType

+ Padding [7]byte

+ type HeaderAndAdditionalFields struct

+ AdditionalFields *HeaderAdditionalFields

+ Extensions []HeaderExtension

+ type HeaderExtension struct

+ Data []byte

+ type HeaderExtensionMetadata struct

+ Length uint32

+ Type HeaderExtensionType

+ type HeaderExtensionType uint32

+ const BackingFileFormatName

+ const BitmapsExtension

+ const EndOfHeaderExtensionArea

+ const ExternalDataFileName

+ const FeatureNameTable

+ const FullDiskEncryptionHeader

+ type Image struct

+ func Create(path string, size int64) (*Image, error)

+ func Open(path string) (*Image, error)

+ func (i *Image) Close() error

+ func (i *Image) Read(p []byte) (n int, err error)

+ func (i *Image) ReadAt(p []byte, diskOffset int64) (n int, err error)

+ func (i *Image) Size() (int64, error)

+ func (i *Image) Sync() error

+ func (i *Image) Write(p []byte) (n int, err error)

+ func (i *Image) WriteAt(p []byte, diskOffset int64) (n int, err error)

+ type IncompatibleFeatures uint64

+ const IncompatibleCorrupt

+ const IncompatibleDirty

+ const IncompatibleExtendedL2

+ const IncompatibleExternalData

+ type L1TableEntry uint64

+ func NewL1TableEntry(offset int64) L1TableEntry

+ func (e L1TableEntry) Offset() int64

+ func (e L1TableEntry) Used() bool

+ type L2TableEntry uint64

+ func NewL2TableEntry(hdr *HeaderAndAdditionalFields, offset int64, compressed bool, ...) L2TableEntry

+ func (e L2TableEntry) Compressed() bool

+ func (e L2TableEntry) CompressedSize(hdr *HeaderAndAdditionalFields) int64

+ func (e L2TableEntry) Offset(hdr *HeaderAndAdditionalFields) int64

+ func (e L2TableEntry) Used() bool

+ type RefcountOrder uint32

+ const RefcountOrder16

+ const RefcountOrder32

+ const RefcountOrder64

+ type Version uint32

+ const Version3