489 	int uuarn = -EINVAL;  in alloc_uuar()  local
494 		uuarn = 0;  in alloc_uuar()
495 		uuari->count[uuarn]++;  in alloc_uuar()
500 			uuarn = -ENOMEM;  in alloc_uuar()
502 			uuarn = alloc_med_class_uuar(uuari);  in alloc_uuar()
507 			uuarn = -ENOMEM;  in alloc_uuar()
509 			uuarn = alloc_high_class_uuar(uuari);  in alloc_uuar()
513 		uuarn = 2;  in alloc_uuar()
518 	return uuarn;  in alloc_uuar()
521 static void free_med_class_uuar(struct mlx5_uuar_info *uuari, int uuarn)  in free_med_class_uuar()  argument
523 	clear_bit(uuarn, uuari->bitmap);  in free_med_class_uuar()
524 	--uuari->count[uuarn];  in free_med_class_uuar()
527 static void free_high_class_uuar(struct mlx5_uuar_info *uuari, int uuarn)  in free_high_class_uuar()  argument
529 	clear_bit(uuarn, uuari->bitmap);  in free_high_class_uuar()
530 	--uuari->count[uuarn];  in free_high_class_uuar()
533 static void free_uuar(struct mlx5_uuar_info *uuari, int uuarn)  in free_uuar()  argument
539 	if (uuarn == 0) {  in free_uuar()
540 		--uuari->count[uuarn];  in free_uuar()
544 	if (uuarn < high_uuar) {  in free_uuar()
545 		free_med_class_uuar(uuari, uuarn);  in free_uuar()
549 	free_high_class_uuar(uuari, uuarn);  in free_uuar()
588 static int uuarn_to_uar_index(struct mlx5_uuar_info *uuari, int uuarn)  in uuarn_to_uar_index()  argument
590 	return uuari->uars[uuarn / MLX5_BF_REGS_PER_PAGE].index;  in uuarn_to_uar_index()
604 	int uuarn;  in create_user_qp()  local
618 	uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_HIGH);  in create_user_qp()
619 	if (uuarn < 0) {  in create_user_qp()
622 		uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_MEDIUM);  in create_user_qp()
623 		if (uuarn < 0) {  in create_user_qp()
626 			uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_LOW);  in create_user_qp()
627 			if (uuarn < 0) {  in create_user_qp()
629 				return uuarn;  in create_user_qp()
634 	uar_index = uuarn_to_uar_index(&context->uuari, uuarn);  in create_user_qp()
635 	mlx5_ib_dbg(dev, "uuarn 0x%x, uar_index 0x%x\n", uuarn, uar_index);  in create_user_qp()
682 	resp->uuar_index = uuarn;  in create_user_qp()
683 	qp->uuarn = uuarn;  in create_user_qp()
711 	free_uuar(&context->uuari, uuarn);  in create_user_qp()
723 	free_uuar(&context->uuari, qp->uuarn);  in destroy_qp_user()
734 	int uuarn;  in create_kernel_qp()  local
744 	uuarn = alloc_uuar(uuari, lc);  in create_kernel_qp()
745 	if (uuarn < 0) {  in create_kernel_qp()
750 	qp->bf = &uuari->bfs[uuarn];  in create_kernel_qp()
821 	free_uuar(&dev->mdev->priv.uuari, uuarn);  in create_kernel_qp()
834 	free_uuar(&dev->mdev->priv.uuari, qp->bf->uuarn);  in destroy_qp_kernel()
2858 		if (0 && nreq == 1 && bf->uuarn && inl && size > 1 && size <= bf->buf_size / 16) {  in mlx5_ib_post_send()