redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

EDAC, ghes: Add DDR4 and NVDIMM memory types 

The ghes_edac driver obtains memory type from SMBIOS type 17, but it
does not recognize DDR4 and NVDIMM types.

Add support of DDR4 and NVDIMM types. NVDIMM type is denoted by memory
type DDR3/4 and non-volatile.

Reported-by: Robert Elliott <elliott@hpe.com>
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180509222030.9299-1-toshi.kani@hpe.com
Signed-off-by: Borislav Petkov <bp@suse.de>
hifive-unleashed-5.1
Toshi Kani 2018-05-09 16:20:30 -06:00 committed by Borislav Petkov
parent e9918d7faf
commit ad0d73b324
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/edac/ghes_edac.c
View File

@ -123,11 +123,21 @@ static void ghes_edac_dmidecode(const struct dmi_header *dh, void *arg)
dimm->mtype = MEM_FB_DDR2;
break;
case 0x18:
if (entry->type_detail & 1 << 13)
if (entry->type_detail & 1 << 12)
dimm->mtype = MEM_NVDIMM;
else if (entry->type_detail & 1 << 13)
dimm->mtype = MEM_RDDR3;
else
dimm->mtype = MEM_DDR3;
break;
case 0x1a:
if (entry->type_detail & 1 << 12)
dimm->mtype = MEM_NVDIMM;
else if (entry->type_detail & 1 << 13)
dimm->mtype = MEM_RDDR4;
else
dimm->mtype = MEM_DDR4;
break;
default:
if (entry->type_detail & 1 << 6)
dimm->mtype = MEM_RMBS;