VDS_Command Server Command Inputs

Microsoft SQL Server Virtual Backup

Microsoft SQL Server Virtual Backup Device Specification

VDS_Command Server Command Inputs

This table provides the server command inputs for VDS_Command.

Field Type Value
Command Code UINT32 This is an operation code.
Buffer PTR This is a data transfer area.
Size UINT32 This is the number of bytes to transfer. This field is overloaded for some commands.
Position UINT64 This is the device position to locate.
Completion Routine PTR This is a callback function invoked by the completion agent.
Completion Context PTR This is the context for the completion routine. Its use is decided by Microsoft® SQL Server™.