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bp_copyin(9f)

bp_copyin(9F)                  Kernel Functions                  bp_copyin(9F)

NAME
       bp_copyin - copy from a buf(9S) into a driver buffer

SYNOPSIS
       #include <sys/types.h>
       #include <sys/buf.h>

       int bp_copyin(struct buf *bp, void *driverbuf, offset_t offset,
            size_t size);

INTERFACE LEVEL
       Architecture independent level 1 (DDI/DKI).

PARAMETERS
       bp           Pointer to the buffer header structure to copy from.


       driverbuf    Driver buffer to copy to.


       offset       Offset into bp where to start copying.


       size         Size of copy.


DESCRIPTION
       The  bp_copyin()  function copies size bytes into the memory associated
       with bp to the destination driver buffer driverbuf. The offset only ap‐
       plies to bp.

RETURN VALUES
       Under normal conditions, 0 is returned to indicate a  successful  copy.
       Otherwise, -1 is returned if bp references invalid pages.

CONTEXT
       The  bp_copyin()  function  can  be  called from user or kernel context
       only.

SEE ALSO
       bp_copyout(9F), bp_mapin(9F), bp_mapout(9F), ddi_copyout(9F), buf(9S)

Oracle Solaris 11.4               16 Oct 2007                    bp_copyin(9F)
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