Commit | Line | Data |
---|---|---|
c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
9dae3d0d TN |
2 | /* |
3 | * Arch-specific APEI-related functions. | |
9dae3d0d TN |
4 | */ |
5 | ||
6 | #include <acpi/apei.h> | |
7 | ||
8 | #include <asm/mce.h> | |
594c7255 | 9 | #include <asm/tlbflush.h> |
9dae3d0d TN |
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 | ||
9dae3d0d TN |
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(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(sev, mem_err); | |
44 | #endif | |
45 | } | |
4a24d80b SK |
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 | } |