// 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);
}