diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv/opal.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 2b0eca104f86..98c5d94b17fb 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * PowerNV OPAL high level interfaces * * Copyright 2011 IBM Corp. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #define pr_fmt(fmt) "opal: " fmt @@ -505,7 +501,7 @@ static int opal_recover_mce(struct pt_regs *regs, recovered = 0; } - if (!recovered && evt->severity == MCE_SEV_ERROR_SYNC) { + if (!recovered && evt->sync_error) { /* * Try to kill processes if we get a synchronous machine check * (e.g., one caused by execution of this instruction). This @@ -614,6 +610,27 @@ int opal_hmi_exception_early(struct pt_regs *regs) return 0; } +int opal_hmi_exception_early2(struct pt_regs *regs) +{ + s64 rc; + __be64 out_flags; + + /* + * call opal hmi handler. + * Check 64-bit flag mask to find out if an event was generated, + * and whether TB is still valid or not etc. + */ + rc = opal_handle_hmi2(&out_flags); + if (rc != OPAL_SUCCESS) + return 0; + + if (be64_to_cpu(out_flags) & OPAL_HMI_FLAGS_NEW_EVENT) + local_paca->hmi_event_available = 1; + if (be64_to_cpu(out_flags) & OPAL_HMI_FLAGS_TOD_TB_FAIL) + tb_invalid = true; + return 1; +} + /* HMI exception handler called in virtual mode during check_irq_replay. */ int opal_handle_hmi_exception(struct pt_regs *regs) { |