BP_COPYOUT(9F)BP_COPYOUT(9F)NAMEbp_copyout - copy from a driver buffer into a buf(9S)SYNOPSIS
#include <sys/types.h>
#include <sys/buf.h>
int bp_copyout(void *driverbuf, struct buf *bp, offset_t offset,
size_t size);
INTERFACE LEVEL
Architecture independent level 1 (DDI/DKI).
PARAMETERS
bp
Pointer to the buffer header structure to copy to.
driverbuf
Driver buffer to copy from.
offset
Offset into bp where to start copying.
size
Size of copy.
DESCRIPTION
The bp_copyout() function copies size bytes starting from the driver
buffer driverbuf to offset bytes into the memory associated with bp.
The offset only applies 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_copyout() function can be called from user or kernel context
only.
SEE ALSObp_copyin(9F), bp_mapin(9F), bp_mapout(9F), ddi_copyout(9F), buf(9S)
Oct 16, 2007 BP_COPYOUT(9F)