pio_mapaddr(D3X)

pio_mapaddr - used with FIXED maps to generate a kernel pointer to desired I/O bus space

Showing IRIX 6.5.30 (default release). Unchanged since IRIX 6.5.

NAME
     pio_mapaddr - used with FIXED maps to generate a kernel pointer to
     desired I/O bus space

SYNOPSIS
     #include <sys/types.h>
     #include <sys/ddi.h>
     #include <sys/pio.h>

     caddr_t pio_mapaddr (piomap_t *piomap, iopaddr_t addr);

   Arguments
     piomap
          The PIO map returned from pio_mapalloc(D3X).

     addr The I/O bus address to be mapped.

DESCRIPTION
     pio_mapaddr converts a I/O bus address to a virtual address.

   Return Values
     A pointer which when accessed, will access the I/O bus location specified
     by addr.

   See Also
     pio_mapfree(D3X), pio_mapalloc(D3X), pio_badaddr(D3X), pio_wbadaddr(D3X),
     pio_bcopyin(D3X), pio_bcopyout(D3X)