platforms/pseries/hotplug-memory.c

208 	int rc;
217 		rc = device_online(&mem_block->dev);
219 		rc = device_offline(&mem_block->dev);
221 		rc = 0;
225 	return rc;
311 	int rc;
320 	rc = dlpar_offline_lmb(lmb);
321 	if (rc) {
323 		return rc;
343 	int rc;
366 		rc = dlpar_remove_lmb(lmb);
367 		if (rc)
387 			rc = dlpar_add_lmb(lmb);
388 			if (rc)
399 		rc = -EINVAL;
415 		rc = 0;
418 	return rc;
425 	int rc;
433 			rc = dlpar_remove_lmb(lmb);
434 			if (!rc)
443 		rc = -EINVAL;
444 	} else if (rc) {
451 	return rc;
457 	int rc;
465 	rc = get_lmb_range(drc_index, lmbs_to_remove, &start_lmb, &end_lmb);
466 	if (rc)
495 		rc = dlpar_remove_lmb(lmb);
496 		if (rc)
502 	if (rc) {
517 			rc = dlpar_add_lmb(lmb);
518 			if (rc)
524 		rc = -EINVAL;
538 	return rc;
573 	int nid, rc;
578 	rc = update_lmb_associativity_index(lmb);
579 	if (rc) {
582 		return rc;
593 	rc = __add_memory(nid, lmb->base_addr, block_sz, MHP_MEMMAP_ON_MEMORY);
594 	if (rc) {
597 		return rc;
600 	rc = dlpar_online_lmb(lmb);
601 	if (rc) {
609 	return rc;
617 	int rc;
643 		rc = dlpar_acquire_drc(lmb->drc_index);
644 		if (rc)
647 		rc = dlpar_add_lmb(lmb);
648 		if (rc) {
669 			rc = dlpar_remove_lmb(lmb);
670 			if (rc)
682 		rc = -EINVAL;
696 		rc = 0;
699 	return rc;
705 	int rc, lmb_found;
713 			rc = dlpar_acquire_drc(lmb->drc_index);
714 			if (!rc) {
715 				rc = dlpar_add_lmb(lmb);
716 				if (rc)
725 		rc = -EINVAL;
727 	if (rc)
733 	return rc;
739 	int rc;
747 	rc = get_lmb_range(drc_index, lmbs_to_add, &start_lmb, &end_lmb);
748 	if (rc)
765 		rc = dlpar_acquire_drc(lmb->drc_index);
766 		if (rc)
769 		rc = dlpar_add_lmb(lmb);
770 		if (rc) {
778 	if (rc) {
785 			rc = dlpar_remove_lmb(lmb);
786 			if (rc)
794 		rc = -EINVAL;
806 	return rc;
812 	int rc;
821 			rc = dlpar_memory_add_by_count(count);
825 			rc = dlpar_memory_add_by_index(drc_index);
830 			rc = dlpar_memory_add_by_ic(count, drc_index);
833 			rc = -EINVAL;
842 			rc = dlpar_memory_remove_by_count(count);
846 			rc = dlpar_memory_remove_by_index(drc_index);
851 			rc = dlpar_memory_remove_by_ic(count, drc_index);
854 			rc = -EINVAL;
861 		rc = -EINVAL;
865 	if (!rc)
866 		rc = drmem_update_dt();
869 	return rc;