static int
fill_alias (struct grub_ieee1275_devalias *alias)
{
grub_ssize_t actual;
if (grub_ieee1275_get_property (alias->phandle, "device_type", alias->type,
IEEE1275_MAX_PROP_LEN, &actual))
alias->type[0] = 0;
if (alias->parent_dev == alias->phandle)
return 0;
if (grub_ieee1275_package_to_path (alias->phandle, alias->path,
IEEE1275_MAX_PATH_LEN, &actual))
return 0;
if (grub_strcmp (alias->parent_path, alias->path) == 0)
return 0;
if (grub_ieee1275_get_property (alias->phandle, "name", alias->name,
IEEE1275_MAX_PROP_LEN, &actual))
return 0;
grub_dprintf ("devalias", "device path=%s\n", alias->path);
return 1;
}
/* Walk children of 'devpath', calling hook for each. */
grub_err_t
grub_children_iterate (char *devpath,
int (*hook) (struct grub_ieee1275_devalias *alias))
{
grub_ieee1275_phandle_t dev;
grub_ieee1275_phandle_t child;
if (grub_ieee1275_finddevice (devpath, &dev))
return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "Unknown device");
if (grub_ieee1275_child (dev, &child))
return grub_error (GRUB_ERR_BAD_DEVICE, "Device has no children");
do
{
/* XXX: Don't use hardcoded path lengths. */
char childtype[64];
char childpath[64];
char childname[64];
char fullname[64];
struct grub_ieee1275_devalias alias;
int actual;
if (grub_ieee1275_get_property (child, "device_type", &childtype,
sizeof childtype, &actual))
continue;
if (grub_ieee1275_package_to_path (child, childpath, sizeof childpath,
&actual))
continue;
if (grub_ieee1275_get_property (child, "name", &childname,
sizeof childname, &actual))
continue;
grub_sprintf (fullname, "%s/%s", devpath, childname);
alias.type = childtype;
alias.path = childpath;
alias.name = fullname;
hook (&alias);
}
while (grub_ieee1275_peer (child, &child));
return 0;
}
/* Walk children of 'devpath', calling hook for each. */
int
grub_children_iterate (char *devpath,
int (*hook) (struct grub_ieee1275_devalias *alias,
void *closure),
void *closure)
{
grub_ieee1275_phandle_t dev;
grub_ieee1275_phandle_t child;
char *childtype, *childpath;
char *childname;
int ret = 0;
if (grub_ieee1275_finddevice (devpath, &dev))
return 0;
if (grub_ieee1275_child (dev, &child))
return 0;
childtype = grub_malloc (IEEE1275_MAX_PROP_LEN);
if (!childtype)
return 0;
childpath = grub_malloc (IEEE1275_MAX_PATH_LEN);
if (!childpath)
{
grub_free (childtype);
return 0;
}
childname = grub_malloc (IEEE1275_MAX_PROP_LEN);
if (!childname)
{
grub_free (childpath);
grub_free (childtype);
return 0;
}
do
{
struct grub_ieee1275_devalias alias;
grub_ssize_t actual;
if (grub_ieee1275_get_property (child, "device_type", childtype,
IEEE1275_MAX_PROP_LEN, &actual))
childtype[0] = 0;
if (dev == child)
continue;
if (grub_ieee1275_package_to_path (child, childpath,
IEEE1275_MAX_PATH_LEN, &actual))
continue;
if (grub_strcmp (devpath, childpath) == 0)
continue;
if (grub_ieee1275_get_property (child, "name", childname,
IEEE1275_MAX_PROP_LEN, &actual))
continue;
alias.type = childtype;
alias.path = childpath;
alias.name = childname;
ret = hook (&alias, closure);
if (ret)
break;
}
while (grub_ieee1275_peer (child, &child) != -1);
grub_free (childname);
grub_free (childpath);
grub_free (childtype);
return ret;
}
