On 2013/10/11 02:32AM, Chen Gong wrote:
> In latest UEFI spec(by now it is 2.4) memory error definition
> for CPER (UEFI 2.4 Appendix N Common Platform Error Record)
> adds some new fields. These fields help people to locate
> memory error on actual DIMM location.
>
> Original-author: Tony Luck <tony.luck@xxxxxxxxx>
> Signed-off-by: Chen, Gong <gong.chen@xxxxxxxxxxxxxxx>
> ---
> drivers/acpi/apei/cper.c | 3 ++-
> include/linux/cper.h | 7 +++++++
> 2 files changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c
> index b2e4134..680230c 100644
> --- a/drivers/acpi/apei/cper.c
> +++ b/drivers/acpi/apei/cper.c
> @@ -8,7 +8,7 @@
> * various tables, such as ERST, BERT and HEST etc.
> *
> * For more information about CPER, please refer to Appendix N of UEFI
> - * Specification version 2.3.
> + * Specification version 2.4.
> *
> * This program is free software; you can redistribute it and/or
> * modify it under the terms of the GNU General Public License version
> @@ -191,6 +191,7 @@ static const char *cper_mem_err_type_strs[] = {
> "memory sparing",
> "scrub corrected error",
> "scrub uncorrected error",
> + "Physical Memory Map-out event",
All small letters to match the rest of the items:
"physical memory map-out event"
> };
>
> static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem)
> diff --git a/include/linux/cper.h b/include/linux/cper.h
> index c230494..bd01c9a 100644
> --- a/include/linux/cper.h
> +++ b/include/linux/cper.h
> @@ -232,6 +232,9 @@ enum {
> #define CPER_MEM_VALID_RESPONDER_ID 0x1000
> #define CPER_MEM_VALID_TARGET_ID 0x2000
> #define CPER_MEM_VALID_ERROR_TYPE 0x4000
> +#define CPER_MEM_VALID_RANK_NUMBER 0x8000
> +#define CPER_MEM_VALID_CARD_HANDLE 0x10000
> +#define CPER_MEM_VALID_MODULE_HANDLE 0x20000
>
> #define CPER_PCIE_VALID_PORT_TYPE 0x0001
> #define CPER_PCIE_VALID_VERSION 0x0002
> @@ -347,6 +350,10 @@ struct cper_sec_mem_err {
> __u64 responder_id;
> __u64 target_id;
> __u8 error_type;
> + __u8 reserved;
> + __u16 rank;
> + __u16 mem_array_handle;
> + __u16 mem_dev_handle;
Nit: could you name those fields similar to what the spec has:
card_handle and module_handle, with perhaps a comment to indicate
relationship to SMBIOS type 16/17 tables?
Regards,
Naveen
> };
>
> struct cper_sec_pcie {
> --
> 1.8.4.rc3
>
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