C++ (Cpp) dlpar_clone_drconf_property Examples

Example #1

File: hotplug-memory.c Project: asmalldev/linux

static int dlpar_update_device_tree_lmb(struct of_drconf_cell *lmb)
{
	struct device_node *dn;
	struct property *prop;
	struct of_drconf_cell *lmbs;
	u32 *p, num_lmbs;
	int i;

	dn = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
	if (!dn)
		return -ENODEV;

	prop = dlpar_clone_drconf_property(dn);
	if (!prop) {
		of_node_put(dn);
		return -ENODEV;
	}

	p = prop->value;
	num_lmbs = *p++;
	lmbs = (struct of_drconf_cell *)p;

	for (i = 0; i < num_lmbs; i++) {
		if (lmbs[i].drc_index == lmb->drc_index) {
			lmbs[i].flags = lmb->flags;
			lmbs[i].aa_index = lmb->aa_index;

			dlpar_update_drconf_property(dn, prop);
			break;
		}
	}

	of_node_put(dn);
	return 0;
}

Example #2

File: hotplug-memory.c Project: KutuSystems/kutu_linux

int dlpar_memory(struct pseries_hp_errorlog *hp_elog)
{
	struct device_node *dn;
	struct property *prop;
	u32 count, drc_index;
	int rc;

	count = hp_elog->_drc_u.drc_count;
	drc_index = hp_elog->_drc_u.drc_index;

	lock_device_hotplug();

	dn = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
	if (!dn) {
		rc = -EINVAL;
		goto dlpar_memory_out;
	}

	prop = dlpar_clone_drconf_property(dn);
	if (!prop) {
		rc = -EINVAL;
		goto dlpar_memory_out;
	}

	switch (hp_elog->action) {
	case PSERIES_HP_ELOG_ACTION_ADD:
		if (hp_elog->id_type == PSERIES_HP_ELOG_ID_DRC_COUNT)
			rc = dlpar_memory_add_by_count(count, prop);
		else if (hp_elog->id_type == PSERIES_HP_ELOG_ID_DRC_INDEX)
			rc = dlpar_memory_add_by_index(drc_index, prop);
		else
			rc = -EINVAL;
		break;
	case PSERIES_HP_ELOG_ACTION_REMOVE:
		if (hp_elog->id_type == PSERIES_HP_ELOG_ID_DRC_COUNT)
			rc = dlpar_memory_remove_by_count(count, prop);
		else if (hp_elog->id_type == PSERIES_HP_ELOG_ID_DRC_INDEX)
			rc = dlpar_memory_remove_by_index(drc_index, prop);
		else
			rc = -EINVAL;
		break;
	default:
		pr_err("Invalid action (%d) specified\n", hp_elog->action);
		rc = -EINVAL;
		break;
	}

	dlpar_free_property(prop);

dlpar_memory_out:
	of_node_put(dn);
	unlock_device_hotplug();
	return rc;
}