mirror of https://gitee.com/openkylin/qemu.git
31 lines
957 B
C
31 lines
957 B
C
// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
|
|
/*
|
|
* The ChipTOD is the HW facility that maintains a synchronized
|
|
* time base across the fabric.
|
|
*
|
|
* Copyright 2013-2019 IBM Corp.
|
|
*/
|
|
|
|
#ifndef __CHIPTOD_H
|
|
#define __CHIPTOD_H
|
|
|
|
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(bool *out_resynced);
|
|
extern bool tfmr_recover_local_errors(uint64_t tfmr);
|
|
extern bool recover_corrupt_tfmr(void);
|
|
extern void tfmr_cleanup_core_errors(uint64_t tfmr);
|
|
extern int tfmr_clear_core_errors(uint64_t tfmr);
|
|
extern bool chiptod_adjust_topology(enum chiptod_topology topo, bool enable);
|
|
extern bool chiptod_capp_timebase_sync(unsigned int chip_id, uint32_t tfmr_addr,
|
|
uint32_t tb_addr, uint32_t offset);
|
|
extern int chiptod_recover_tod_errors(void);
|
|
|
|
#endif /* __CHIPTOD_H */
|