diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-04-16 23:03:31 +0530 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.ibm.com> | 2018-04-17 03:52:10 -0500 |
| commit | 674f7696f7c1e51ab159d81a05a18c445f0c896d (patch) | |
| tree | e55261a42ca2c5ebd2955ac8f0aa79f7dd2afee4 /include | |
| parent | 099801d775ee273a9b500d921f4d47f96499c766 (diff) | |
| download | skiboot-674f7696f7c1e51ab159d81a05a18c445f0c896d.zip skiboot-674f7696f7c1e51ab159d81a05a18c445f0c896d.tar.gz skiboot-674f7696f7c1e51ab159d81a05a18c445f0c896d.tar.bz2 | |
opal/hmi: Rework HMI handling of TFAC errors
This patch reworks the HMI handling for TFAC errors by introducing
4 rendez-vous points improve the thread synchronization while handling
timebase errors that requires all thread to clear dirty data from TB/HDEC
register before clearing the errors.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/chiptod.h | 6 | ||||
| -rw-r--r-- | include/cpu.h | 3 |
2 files changed, 6 insertions, 3 deletions
diff --git a/include/chiptod.h b/include/chiptod.h index fd5cd96..7708d48 100644 --- a/include/chiptod.h +++ b/include/chiptod.h @@ -29,7 +29,11 @@ enum chiptod_topology { extern void chiptod_init(void); extern bool chiptod_wakeup_resync(void); -extern int chiptod_recover_tb_errors(void); +extern int chiptod_recover_tb_errors(uint64_t tfmr, 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 bool tfmr_clear_core_errors(uint64_t tfmr); extern void chiptod_reset_tb(void); 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, diff --git a/include/cpu.h b/include/cpu.h index b7cd588..68f2463 100644 --- a/include/cpu.h +++ b/include/cpu.h @@ -97,9 +97,8 @@ struct cpu_thread { */ uint32_t core_hmi_state; /* primary only */ uint32_t *core_hmi_state_ptr; - /* Mask to indicate thread id in core. */ - uint8_t thread_mask; bool tb_invalid; + bool tb_resynced; /* For use by XICS emulation on XIVE */ struct xive_cpu_state *xstate; |