1 | // SPDX-License-Identifier: GPL-2.0-or-later |
---|---|
2 | /* |
3 | * Arch-specific APEI-related functions. |
4 | */ |
5 | |
6 | #include <acpi/apei.h> |
7 | |
8 | #include <asm/mce.h> |
9 | #include <asm/tlbflush.h> |
10 | |
11 | int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data) |
12 | { |
13 | #ifdef CONFIG_X86_MCE |
14 | int i; |
15 | struct acpi_hest_ia_corrected *cmc; |
16 | struct acpi_hest_ia_error_bank *mc_bank; |
17 | |
18 | cmc = (struct acpi_hest_ia_corrected *)hest_hdr; |
19 | if (!cmc->enabled) |
20 | return 0; |
21 | |
22 | /* |
23 | * We expect HEST to provide a list of MC banks that report errors |
24 | * in firmware first mode. Otherwise, return non-zero value to |
25 | * indicate that we are done parsing HEST. |
26 | */ |
27 | if (!(cmc->flags & ACPI_HEST_FIRMWARE_FIRST) || |
28 | !cmc->num_hardware_banks) |
29 | return 1; |
30 | |
31 | pr_info("HEST: Enabling Firmware First mode for corrected errors.\n"); |
32 | |
33 | mc_bank = (struct acpi_hest_ia_error_bank *)(cmc + 1); |
34 | for (i = 0; i < cmc->num_hardware_banks; i++, mc_bank++) |
35 | mce_disable_bank(bank: mc_bank->bank_number); |
36 | #endif |
37 | return 1; |
38 | } |
39 | |
40 | void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err) |
41 | { |
42 | #ifdef CONFIG_X86_MCE |
43 | apei_mce_report_mem_error(corrected: sev, mem_err); |
44 | #endif |
45 | } |
46 | |
47 | int arch_apei_report_x86_error(struct cper_ia_proc_ctx *ctx_info, u64 lapic_id) |
48 | { |
49 | return apei_smca_report_x86_error(ctx_info, lapic_id); |
50 | } |
51 |