| /* Copyright 2013-2014 IBM Corp. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef __CHIPTOD_H |
| #define __CHIPTOD_H |
| |
| /* The ChipTOD is the HW facility that maintains a synchronized |
| * time base across the fabric. |
| */ |
| |
| enum chiptod_topology { |
| chiptod_topo_unknown = -1, |
| chiptod_topo_primary = 0, |
| chiptod_topo_secondary = 1, |
| }; |
| |
| extern void chiptod_init(void); |
| extern bool chiptod_wakeup_resync(void); |
| extern int chiptod_recover_tb_errors(void); |
| extern void chiptod_reset_tb(void); |
| extern bool chiptod_adjust_topology(enum chiptod_topology topo, bool enable); |
| struct phb3; |
| extern bool chiptod_capp_timebase_sync(struct phb3 *p); |
| |
| #endif /* __CHIPTOD_H */ |