mem_util.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <mem.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <fm/fmd_fmri.h>
void
mem_strarray_free(char **arr, size_t dim)
{
int i;
for (i = 0; i < dim; i++) {
if (arr[i] != NULL)
fmd_fmri_strfree(arr[i]);
}
fmd_fmri_free(arr, sizeof (char *) * dim);
}
int
mem_page_cmd(int cmd, uint64_t addr)
{
int fd, rc, err;
if ((fd = open("/dev/mem", O_RDONLY)) < 0)
return (-1); /* errno is set for us */
if ((rc = ioctl(fd, cmd, &addr)) < 0)
err = errno;
(void) close(fd);
if (rc < 0) {
errno = err;
return (-1);
}
return (0);
}