source: rtems/cpukit/libdrvmgr/drvmgr_translate_check.c @ 30594a9

/* Driver Manager Driver Translate Interface Implementation
 *
 * COPYRIGHT (c) 2010.
 * Cobham Gaisler AB.
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.com/license/LICENSE.
 */

#include <drvmgr/drvmgr.h>

/* Calls drvmgr_translate() to translate an address range and check the result,
 * a printout is generated if the check fails. See paramters of
 * drvmgr_translate().
 * If size=0 only the starting address is not checked.
 */
int drvmgr_translate_check(
        struct drvmgr_dev *dev,
        unsigned int options,
        void *src_address,
        void **dst_address,
        unsigned int size)
{
        unsigned int max;

        max = drvmgr_translate(dev, options, src_address, dst_address);
        if (max == 0 || (max < size && (size != 0))) {
                printk(" ### dev %p (%s) failed mapping %p\n",
                        dev, dev->name ? dev->name : "unnamed", src_address);
                return -1;
        }

        return 0;
}