On Tue, Oct 15, 2013 at 10:56:25PM +0530, Naveen N. Rao wrote:
> Date: Tue, 15 Oct 2013 22:56:25 +0530
> From: "Naveen N. Rao" <naveen.n.rao@xxxxxxxxxxxxxxxxxx>
> To: "Chen, Gong" <gong.chen@xxxxxxxxxxxxxxx>
> Cc: tony.luck@xxxxxxxxx, bp@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx,
> linux-acpi@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH 5/8] ACPI, APEI, CPER: Add UEFI 2.4 support for memory
> error
> User-Agent: Mutt/1.5.21 (2010-09-15)
>
> 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"
>
sure, of course.
> > };
> >
> > 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?
>
>
On the contrary, what I'm thinking is reserve these names but
adding comments for what it is in the spec. I consider a
reasonable name is more meaningful than just following the
spec strictly.
> Regards,
> Naveen
>
> > };
> >
> > struct cper_sec_pcie {
> > --
> > 1.8.4.rc3
> >
>
Attachment:
signature.asc
Description: Digital signature
