Files
cubelinux-kernel/arch/x86/kernel/acpi/apei.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

53 lines
1.3 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Arch-specific APEI-related functions.
*/
#include <acpi/apei.h>
#include <asm/mce.h>
#include <asm/tlbflush.h>
int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data)
{
#ifdef CONFIG_X86_MCE
int i;
struct acpi_hest_ia_corrected *cmc;
struct acpi_hest_ia_error_bank *mc_bank;
cmc = (struct acpi_hest_ia_corrected *)hest_hdr;
if (!cmc->enabled)
return 0;
mce_save_apei_thr_limit(cmc->notify.error_threshold_value);
/*
* We expect HEST to provide a list of MC banks that report errors
* in firmware first mode. Otherwise, return non-zero value to
* indicate that we are done parsing HEST.
*/
if (!(cmc->flags & ACPI_HEST_FIRMWARE_FIRST) ||
!cmc->num_hardware_banks)
return 1;
pr_info("HEST: Enabling Firmware First mode for corrected errors.\n");
mc_bank = (struct acpi_hest_ia_error_bank *)(cmc + 1);
for (i = 0; i < cmc->num_hardware_banks; i++, mc_bank++)
mce_disable_bank(mc_bank->bank_number);
#endif
return 1;
}
void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err)
{
#ifdef CONFIG_X86_MCE
apei_mce_report_mem_error(sev, mem_err);
#endif
}
int arch_apei_report_x86_error(struct cper_ia_proc_ctx *ctx_info, u64 lapic_id)
{
return apei_smca_report_x86_error(ctx_info, lapic_id);
}