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
arch_apei_enable_cmcff(struct acpi_hest_header * hest_hdr,void * data)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(mc_bank->bank_number);
36 #endif
37 return 1;
38 }
39
arch_apei_report_mem_error(int sev,struct cper_sec_mem_err * mem_err)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 }
46
arch_apei_report_x86_error(struct cper_ia_proc_ctx * ctx_info,u64 lapic_id)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