diff options
Diffstat (limited to 'usr.sbin/ofwdump/ofw_util.c')
| -rw-r--r-- | usr.sbin/ofwdump/ofw_util.c | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/usr.sbin/ofwdump/ofw_util.c b/usr.sbin/ofwdump/ofw_util.c deleted file mode 100644 index 71361d4..0000000 --- a/usr.sbin/ofwdump/ofw_util.c +++ /dev/null @@ -1,230 +0,0 @@ -/*- - * Copyright (c) 2002 by Thomas Moestl <tmm@FreeBSD.org>. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <sys/ioctl.h> - -#include <dev/ofw/openfirmio.h> - -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sysexits.h> -#include <unistd.h> - -#include "pathnames.h" -#include "ofw_util.h" - -#define OFW_IOCTL(fd, cmd, val) do { \ - if (ioctl(fd, cmd, val) == -1) \ - err(EX_IOERR, "ioctl(..., " #cmd ", ...) failed"); \ -} while (0) - -int -ofw_open(int mode) -{ - int fd; - - if ((fd = open(PATH_DEV_OPENFIRM, mode)) == -1) - err(EX_UNAVAILABLE, "could not open " PATH_DEV_OPENFIRM); - return (fd); -} - -void -ofw_close(int fd) -{ - - close(fd); -} - -phandle_t -ofw_root(int fd) -{ - - return (ofw_peer(fd, 0)); -} - -phandle_t -ofw_optnode(int fd) -{ - phandle_t rv; - - OFW_IOCTL(fd, OFIOCGETOPTNODE, &rv); - return (rv); -} - -phandle_t -ofw_peer(int fd, phandle_t node) -{ - phandle_t rv; - - rv = node; - OFW_IOCTL(fd, OFIOCGETNEXT, &rv); - return (rv); -} - -phandle_t -ofw_child(int fd, phandle_t node) -{ - phandle_t rv; - - rv = node; - OFW_IOCTL(fd, OFIOCGETCHILD, &rv); - return (rv); -} - -phandle_t -ofw_finddevice(int fd, const char *name) -{ - struct ofiocdesc d; - - d.of_nodeid = 0; - d.of_namelen = strlen(name); - d.of_name = name; - d.of_buflen = 0; - d.of_buf = NULL; - if (ioctl(fd, OFIOCFINDDEVICE, &d) == -1) { - if (errno == ENOENT) - err(EX_UNAVAILABLE, "Node '%s' not found", name); - else - err(EX_IOERR, - "ioctl(..., OFIOCFINDDEVICE, ...) failed"); - } - return (d.of_nodeid); -} - -int -ofw_firstprop(int fd, phandle_t node, char *buf, int buflen) -{ - - return (ofw_nextprop(fd, node, NULL, buf, buflen)); -} - -int -ofw_nextprop(int fd, phandle_t node, const char *prev, char *buf, int buflen) -{ - struct ofiocdesc d; - - d.of_nodeid = node; - d.of_namelen = prev != NULL ? strlen(prev) : 0; - d.of_name = prev; - d.of_buflen = buflen; - d.of_buf = buf; - if (ioctl(fd, OFIOCNEXTPROP, &d) == -1) { - if (errno == ENOENT) - return (0); - else - err(EX_IOERR, "ioctl(..., OFIOCNEXTPROP, ...) failed"); - } - return (d.of_buflen); -} - -static void * -ofw_malloc(int size) -{ - void *p; - - if ((p = malloc(size)) == NULL) - err(EX_OSERR, "malloc() failed"); - return (p); -} - -int -ofw_getprop(int fd, phandle_t node, const char *name, void *buf, int buflen) -{ - struct ofiocdesc d; - - d.of_nodeid = node; - d.of_namelen = strlen(name); - d.of_name = name; - d.of_buflen = buflen; - d.of_buf = buf; - OFW_IOCTL(fd, OFIOCGET, &d); - return (d.of_buflen); -} - -int -ofw_setprop(int fd, phandle_t node, const char *name, const void *buf, - int buflen) -{ - struct ofiocdesc d; - - d.of_nodeid = node; - d.of_namelen = strlen(name); - d.of_name = name; - d.of_buflen = buflen; - d.of_buf = ofw_malloc(buflen); - memcpy(d.of_buf, buf, buflen); - OFW_IOCTL(fd, OFIOCSET, &d); - free(d.of_buf); - return (d.of_buflen); -} - -int -ofw_getproplen(int fd, phandle_t node, const char *name) -{ - struct ofiocdesc d; - - d.of_nodeid = node; - d.of_namelen = strlen(name); - d.of_name = name; - OFW_IOCTL(fd, OFIOCGETPROPLEN, &d); - return (d.of_buflen); -} - -int -ofw_getprop_alloc(int fd, phandle_t node, const char *name, void **buf, - int *buflen, int reserve) -{ - struct ofiocdesc d; - int len, rv; - - do { - len = ofw_getproplen(fd, node, name); - if (len < 0) - return (len); - if (*buflen < len + reserve) { - if (*buf != NULL) - free(*buf); - *buflen = len + reserve + OFIOCMAXVALUE; - *buf = ofw_malloc(*buflen); - } - d.of_nodeid = node; - d.of_namelen = strlen(name); - d.of_name = name; - d.of_buflen = *buflen - reserve; - d.of_buf = *buf; - rv = ioctl(fd, OFIOCGET, &d); - } while (rv == -1 && errno == ENOMEM); - if (rv == -1) - err(EX_IOERR, "ioctl(..., OFIOCGET, ...) failed"); - return (d.of_buflen); -} |
