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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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9f9a35a7b6
This patch provides APEI arch-specific bits for ARM64
Meanwhile,
(1) Move HEST type (ACPI_HEST_TYPE_IA32_CORRECTED_CHECK) checking to
a generic place.
(2) Select HAVE_ACPI_APEI when EFI and ACPI is set on ARM64, because
arch_apei_get_mem_attribute is using efi_mem_attributes() on
ARM64.
Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Tested-by: Jonathan (Zhixiong) Zhang <zjzhang@codeaurora.org>
Signed-off-by: Fu Wei <fu.wei@linaro.org>
[ Fu Wei: improve && upstream ]
Acked-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Tyler Baicar <tbaicar@codeaurora.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
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* Arch-specific APEI-related functions.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <acpi/apei.h>
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#include <asm/mce.h>
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#include <asm/tlbflush.h>
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int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data)
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{
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#ifdef CONFIG_X86_MCE
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int i;
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struct acpi_hest_ia_corrected *cmc;
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struct acpi_hest_ia_error_bank *mc_bank;
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cmc = (struct acpi_hest_ia_corrected *)hest_hdr;
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if (!cmc->enabled)
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return 0;
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/*
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* We expect HEST to provide a list of MC banks that report errors
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* in firmware first mode. Otherwise, return non-zero value to
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* indicate that we are done parsing HEST.
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*/
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if (!(cmc->flags & ACPI_HEST_FIRMWARE_FIRST) ||
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!cmc->num_hardware_banks)
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return 1;
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pr_info("HEST: Enabling Firmware First mode for corrected errors.\n");
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mc_bank = (struct acpi_hest_ia_error_bank *)(cmc + 1);
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for (i = 0; i < cmc->num_hardware_banks; i++, mc_bank++)
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mce_disable_bank(mc_bank->bank_number);
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#endif
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return 1;
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}
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void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err)
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{
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#ifdef CONFIG_X86_MCE
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apei_mce_report_mem_error(sev, mem_err);
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#endif
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}
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void arch_apei_flush_tlb_one(unsigned long addr)
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{
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__flush_tlb_one(addr);
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}
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