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Parallels Virtualization SDK
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PRL_DISK__
Macros  Macros
Macros
Name 
Description 
Incoming requests to read/write async must be gathered and aligned 
Allow inplace data modification to reduce memory copying and allocation 
Special for backup operation 
Disk cache default. 
Uncached access to disk image. 
Cached access to disk image. 
Cached write and uncached read is used, while filesystem cache does not grow large enough. 
Cached write/uncached read. 
Default (writelock always on at write on). 
Explicitly enable re-open disk with non-current snapshot (useful for backup, reclame all snapshots etc.) 
Fake open, just for parameters get (processed by real disks that need administrative privileges to work with). 
Default access mode that compiled in Parallels itself. 
Type of the file access to use (15 file accessors is enough). 
DEPRECATED! Access mode with requests merging. 
DEPRECATED! Access mode with file caching turned off. 
DEPRECATED! Normal access mode (default os) 
DEPRECATED! Access mode to files on PCS storage 
Ignore storages read only flag (useful at disk creation) 
Last (invalid). 
Force open of disk for reading without error checking 
So not create image when creating disk, just put reference to file in XML 
Do not check host free space 
Do not use handle pool for disk image handles 
Nothing. 
 
 
States progress definition. 
Read 
ReadLock 
Use raw disk for BootCamp partition (/dev/rdisk instead of /dev/disk) 
Write 
This parameter is used when user need to change XML data but not access to the drive itself. 
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