/**
* get_dr_connectors
*
* NOTE:Callers of this function are expected to free drc_list themselves
*
* @param of_path
* @param drc_list
* @param n_drcs
* @returns 0 on success, !0 otherwise
*/
struct dr_connector *
get_drc_info(const char *of_path)
{
struct dr_connector *list = NULL;
struct of_list_prop *drc_names;
struct drc_prop_grp prop_grp;
char *full_path = NULL;
int rc, n_drcs;
full_path = of_to_full_path(of_path);
if (full_path == NULL)
goto done;
for (list = all_drc_lists; list; list = list->all_next) {
if (! strcmp(list->ofdt_path, of_path))
return list;
}
rc = get_drc_prop_grp(full_path, &prop_grp);
if (rc) {
say(DEBUG, "Could not find DRC property group in path: %s.\n",
full_path);
goto done;
}
drc_names = &prop_grp.drc_names;
n_drcs = drc_names->n_entries;
list = zalloc(n_drcs * sizeof(struct dr_connector));
if (list == NULL)
goto done;
/* XXX Unchecked rc */
rc = build_connectors_list(&prop_grp, n_drcs, list);
snprintf(list->ofdt_path, DR_PATH_MAX, "%s", of_path);
list->all_next = all_drc_lists;
all_drc_lists = list;
done:
free_drc_props(&prop_grp);
if (full_path)
free(full_path);
return list;
}
/**
* get_my_drc_index
*
* @param of_path
* @param index
* @returns 0 on success, !0 otherwise
*/
int
get_my_drc_index(char *of_path, uint32_t *index)
{
char *full_path = NULL;
int rc;
full_path = of_to_full_path(of_path);
if (full_path == NULL)
return -1;
rc = get_property(full_path, "ibm,my-drc-index", index,
sizeof(*index));
free(full_path);
return rc;
}
/**
* correlate_devspec
*
* @param sysfs_path
* @param ofdt_path
*/
static int
correlate_devspec(char *sysfs_path, char *ofdt_path, struct dr_node *node_list)
{
struct dr_node *node;
char *full_of_path;
int found;
int rc;
full_of_path = of_to_full_path(ofdt_path);
for (node = node_list; node != NULL; node = node->next) {
rc = devspec_check_node(node, sysfs_path, full_of_path, &found);
if (rc)
return rc;
if (found)
break;
}
free(full_of_path);
return 0;
}
